id stringclasses 50
values | testsource stringclasses 6
values | language stringclasses 6
values | prefix stringlengths 16 3.39k | golden_completion stringlengths 23 3.14k | suffix stringlengths 0 2.68k | assertions stringlengths 0 2.72k | category stringclasses 6
values |
|---|---|---|---|---|---|---|---|
1 | devbench-pattern-matching | c_sharp | using System;
using System.Linq;
class Program {
static readonly string STD_B64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static readonly string REV_B64 = new string(STD_B64.Reverse().ToArray());
static string HexEncode(byte[] data) {
return string.Concat(data.Select(b ... | var sb = new System.Text.StringBuilder();
for (int i = 0; i < data.Length; i += 3) {
int chunkLen = Math.Min(3, data.Length - i);
uint num = 0;
for (int j = 0; j < chunkLen; j++) num = (num << 8) | data[i + j];
num <<= 8 * (3 - chunkLen);
int c... | }
static void Main(string[] args) {
if (HexEncode(new byte[]{0x66}) != "66") throw new Exception("hex");
// Reversed alphabet by default, '*' padding
string r1 = Base64Encode(new byte[]{0x66});
if (r1 != "" + REV_B64[25] + REV_B64[32] + "**") throw new Exception("r1: " + r1);
... | if (Base64Encode(new byte[]{}) != "") throw new Exception("empty");
if (Base64Encode(new byte[]{0x61, 0x62, 0x63}, STD_B64, '=') != "YWJj") throw new Exception("abc std");
if (Base64Encode(new byte[]{0x61, 0x62, 0x63}) == "YWJj") throw new Exception("abc must differ from std");
if (Base64Encode(new byte[]{0x68, 0x65, 0... | pattern_matching |
2 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
class Program {
static readonly string HEX = "0123456789ABCDEF";
static string HexByte(byte v) {
return "" + HEX[v >> 4] + HEX[v & 0xF];
}
static bool IsUnreserved(char ch) {
return char.IsLetterOrDigit(ch);
}
// URL encoder: ONLY alphanumeric... | var sb = new StringBuilder();
foreach (byte b in Encoding.UTF8.GetBytes(text)) {
char ch = (char)b;
if (b < 128 && (IsUnreserved(ch) || safe.Contains(ch)))
sb.Append(ch);
else
sb.Append('%').Append(HexByte(b));
}
return ... | }
static void Main(string[] args) {
if (HexByte(32) != "20") throw new Exception("hexbyte");
if (!IsUnreserved('A')) throw new Exception("unreserved A");
if (IsUnreserved('_')) throw new Exception("_ should be reserved");
// Stricter than standard: encodes ~, _, -, .
if... | if (UrlEncode("") != "") throw new Exception("empty");
if (UrlEncode("abcXYZ123") != "abcXYZ123") throw new Exception("alnum");
if (UrlEncode("a+b=c") != "a%2Bb%3Dc") throw new Exception("plus eq");
if (UrlEncode("hello_world") != "hello%5Fworld") throw new Exception("underscore");
if (UrlEncode("cafe") != "cafe") thro... | pattern_matching |
3 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program {
static readonly Dictionary<char, string> BASIC_HTML = new() {
{'&', "&"}, {'<', "<"}, {'>', ">"}
};
static readonly Dictionary<char, string> QUOTE_HTML = new() {
{'"', """}, {'\'', "'"}
};
static str... | var sb = new System.Text.StringBuilder();
foreach (char ch in text) {
if (BASIC_HTML.ContainsKey(ch)) sb.Append(BASIC_HTML[ch]);
else if (quote && QUOTE_HTML.ContainsKey(ch)) sb.Append(QUOTE_HTML[ch]);
else if (slash && ch == '/') sb.Append("/");
else ... | }
static void Main(string[] args) {
if (EscapeBasic("<a&b>") != "<a&b>") throw new Exception("basic");
// This escaper uses ' for single quote (not ') and escapes / by default
if (HtmlEscape("<tag/>") != "<tag/>") throw new Exception("tag slash: " + HtmlEsc... | if (HtmlEscape("") != "") throw new Exception("empty");
if (HtmlEscape("plain") != "plain") throw new Exception("plain");
if (HtmlEscape("a&b<c>d") != "a&b<c>d") throw new Exception("basic chars");
if (HtmlEscape("it\'s / ok") != "it's / ok") throw new Exception("quote slash");
if (HtmlEscape("it\'s /... | pattern_matching |
4 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program {
static string StripComment(string s) {
var sb = new StringBuilder();
bool inQuote = false;
foreach (char c in s) {
if (c == '"') inQuote = !inQuote;
if (!inQuote && (c == '#' || c == '... | foreach (string raw in text.Split('\n')) {
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.EndsWith("\\")) { pending.Append(line, 0, line.Length - 1); continue; }
pending.Append(line); string logical = StripComment(pending.ToString()).Trim(); pending.Clear(... | }
static void Main(string[] args) {
string cfg = "name = Alice\n" +
"path = /usr/\\\n" +
" local/bin\n" +
"note = \"keep # sign\" # tail\n" +
"; skip me\n" +
"empty = \"\"";
var m = ParsePr... | if (ParseProperties("").Count != 0) throw new Exception("empty input");
var a = ParseProperties("x: 1\ny = 2");
if (a["x"] != "1") throw new Exception("colon sep");
if (a["y"] != "2") throw new Exception("equals sep");
var c = ParseProperties("long=one\\\n two\\\n three");
if (c["long"] != "onetwothree") throw new Exce... | pattern_matching |
5 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program {
static string TrimWs(string s) {
return s.Trim(' ', '\t', '\r');
}
static string StripManifestComment(string s) {
var sb = new StringBuilder();
bool inQ = false, esc = false;
foreach (char c ... | var result = new Dictionary<string, string>();
string section = ""; var pending = new StringBuilder();
foreach (string raw in text.Split('\n')) {
string line = pending.Length > 0 ? TrimWs(raw) : raw;
if (line.EndsWith("\\")) { pending.Append(line[..^1]); continue; }
... | }
static void Main(string[] args) {
string cfg = "[core]\n" +
"name=dev\\\n" +
"bench\n" +
"# ignored\n" +
"[limits]\n" +
"score = 54";
var m = ParseManifest(cfg);
if (m["core.name"]... | if (ParseManifest("").Count != 0) throw new Exception("empty");
var g = ParseManifest("global=yes");
if (g["global"] != "yes") throw new Exception("global key");
var b = ParseManifest("[s]\na=1\nb=2");
if (b["s.a"] != "1") throw new Exception("section a");
if (b["s.b"] != "2") throw new Exception("section b");
var mc =... | pattern_matching |
6 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program {
static string EnvTrim(string s) => s.Trim(' ', '\t', '\r');
static string StripEnvComment(string s) {
var sb = new StringBuilder();
bool inQ = false, esc = false;
foreach (char c in s) {
if (... | var result = new Dictionary<string, string>();
string profile = ""; var pending = new StringBuilder();
foreach (string raw in text.Split('\n')) {
string line = pending.Length > 0 ? EnvTrim(raw) : raw;
if (line.EndsWith("\\")) { pending.Append(line[..^1]); continue; }
... | }
static void Main(string[] args) {
string env = "export APP_NAME=myapp\n" +
"# comment\n" +
"[staging]\n" +
"DB_HOST = \"db.staging\"\n" +
"DB_PORT = 5432\n" +
"LONG=first\\\n" +
... | if (ParseEnvFile("").Count != 0) throw new Exception("empty");
var a = ParseEnvFile("A=1\nexport B=2");
if (a["A"] != "1") throw new Exception("A");
if (a["B"] != "2") throw new Exception("export B");
var p = ParseEnvFile("[prod]\nexport KEY=val");
if (p["prod.KEY"] != "val") throw new Exception("profile export: " + p[... | pattern_matching |
7 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program {
static string TagTrim(string s) => s.Trim(' ', '\t', '\r');
static string StripTagComment(string s) {
var sb = new StringBuilder();
bool inQ = false;
foreach (char c in s) {
if (c == '"') inQ... | var result = new Dictionary<string, string>();
string section = ""; var pending = new StringBuilder();
foreach (string raw in text.Split('\n')) {
string line = pending.Length > 0 ? TagTrim(raw) : raw;
if (line.EndsWith("\\")) { pending.Append(line[..^1]); continue; }
... | }
static void Main(string[] args) {
string cfg = "<server>\n" +
"host = db.local\n" +
"port = 5432\n" +
"; comment\n" +
"enabled = True\n" +
"<paths>\n" +
"root = /usr/\\\n" +
... | if (ParseTagConfig("").Count != 0) throw new Exception("empty");
var a = ParseTagConfig("x=1\ny=2");
if (a["x"] != "1" || a["y"] != "2") throw new Exception("global keys");
var b = ParseTagConfig("<s>\na=TRUE\nb=False");
if (b["s/a"] != "1" || b["s/b"] != "0") throw new Exception("bool coerce: " + b["s/a"] + "," + b["s... | pattern_matching |
8 | devbench-pattern-matching | c_sharp | using System;
class Program {
// Custom edit distance: insert=1, delete=1, replace=1, swap(adjacent)=0.5
// EditDistance("ab","ba") = 0.5, NOT 2 | EditDistance("cat","car") = 1
static double EditDistance(string a, string b) {
| int m = a.Length, n = b.Length;
var dp = new double[m + 1, n + 1];
for (int i = 0; i <= m; i++) dp[i, 0] = i;
for (int j = 0; j <= n; j++) dp[0, j] = j;
for (int i = 1; i <= m; i++)
for (int j = 1; j <= n; j++) {
dp[i, j] = Math.Min(dp[i - 1, j] + 1, M... | }
static void Main(string[] args) {
if (EditDistance("ab", "ba") != 0.5) throw new Exception("swap: " + EditDistance("ab", "ba"));
if (EditDistance("cat", "car") != 1.0) throw new Exception("replace");
if (EditDistance("", "abc") != 3.0) throw new Exception("inserts");
if (EditD... | if (EditDistance("", "") != 0.0) throw new Exception("both empty");
if (EditDistance("a", "b") != 1.0) throw new Exception("single replace");
if (EditDistance("abcd", "abdc") != 0.5) throw new Exception("one swap end: " + EditDistance("abcd", "abdc"));
if (EditDistance("ab", "ba") != 0.5) throw new Exception("swap not ... | pattern_matching |
9 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
class Program {
static string SerializeInt(int v) => v.ToString();
static string SerializeFloat(double v) => v == Math.Floor(v) ? $"{(int)v}.0" : v.ToString();
static string SerializeStr(string v) {
return "'" + v... | var pairs = new List<string>();
foreach (var key in dict.Keys.OrderBy(k => k)) {
pairs.Add(Serialize(key) + ": " + Serialize(dict[key]));
}
return "{" + string.Join(", ", pairs) + "}";
| }
static void Main(string[] args) {
if (Serialize(42) != "42") throw new Exception("int");
if (Serialize("hello") != "'hello'") throw new Exception("str: " + Serialize("hello"));
if (Serialize(true) != "yes") throw new Exception("bool");
if (Serialize(null) != "nil") throw new E... | if (Serialize(new Dictionary<string, object>()) != "{}") throw new Exception("empty dict");
var d2 = new Dictionary<string, object>{{"a", null}};
if (Serialize(d2) != "{'a': nil}") throw new Exception("nil val: " + Serialize(d2));
var d3 = new Dictionary<string, object>{{"x", new List<object>{1, 2}}};
if (Serialize(d3)... | pattern_matching |
10 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
class Program {
static string HexDigit(int n) {
return n < 10 ? n.ToString() : ((char)('A' + n - 10)).ToString();
}
// Examples of the encoding convention:
// "aaa" -> "3a" (count-first, then char)
// "abbb" -> "1a3b"
// "x" * 12 -> "Cx" ... | if (string.IsNullOrEmpty(input)) return "";
var sb = new StringBuilder();
int i = 0;
while (i < input.Length) {
char ch = input[i];
int count = 0;
while (i < input.Length && input[i] == ch && count < 15) { count++; i++; }
sb.Append(HexDigit... | }
static void Main(string[] args) {
if (HexDigit(10) != "A") throw new Exception("hex A");
if (HexDigit(15) != "F") throw new Exception("hex F");
// Count-first format with hex for counts > 9
if (RleEncode("aaa") != "3a") throw new Exception("3a: " + RleEncode("aaa"));
... | if (RleEncode("") != "") throw new Exception("empty");
if (RleEncode("abc") != "1a1b1c") throw new Exception("abc: " + RleEncode("abc"));
if (RleEncode("aaabbc") != "3a2b1c") throw new Exception("aaabbc: " + RleEncode("aaabbc"));
if (RleEncode(new string('z', 15)) != "Fz") throw new Exception("15z: " + RleEncode(new st... | pattern_matching |
11 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class SSHConfigParser
{
static string StripComment(string s)
{
string r = ""; bool q = false;
foreach (char c in s) { if (c == '"') q = !q; if (!q && c == '#') break; r += c; }
return r;
}
static string Unquote(string s) => s.Lengt... | foreach (var raw in text.Split('\n')) {
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.EndsWith("\\")) { pending.Append(line, 0, line.Length - 1); continue; }
pending.Append(line);
string logical = StripComment(pending.ToString()).Trim(); pendi... | }
static void Main()
{
string cfg = "# global opts\nServerAliveInterval 60\n\nHost myserver\n HostName 10.0.\\\n 0.1\n User \"admin\" # inline comment\n Port 2222\n\nHost devbox\n HostName dev.example.com";
var m = ParseSSHConfig(cfg);
if (!(m["global.serveraliveinterval"] ==... | if (!(ParseSSHConfig("").Count == 0)) throw new Exception("empty input");
var a1 = ParseSSHConfig("Compression yes");
if (!(a1["global.compression"] == "yes")) throw new Exception("global single key");
var a2 = ParseSSHConfig("Host foo\n Port=443\n User bar");
if (!(a2["host.foo.port"] == "443")) throw new Exception(... | pattern_matching |
12 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class DockerfileEnvParser
{
// Parse Dockerfile ENV directives.
// Two forms: "ENV KEY VALUE" (legacy, no '=' before space) and "ENV KEY=VALUE" (modern, allows multiple pairs).
// - Lines starting with '#' are comments. Non-ENV lines are skipped.
// - Lin... | foreach (var raw in text.Split('\n')) {
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.EndsWith("\\")) { pending.Append(line, 0, line.Length - 1); continue; }
pending.Append(line); string logical = pending.ToString().Trim(); pending.Clear();
if... | }
static void Main()
{
string df = "# base image\nFROM ubuntu:22.04\nENV APP_HOME /opt/app\nENV VERSION=1.0 \\\n DEBUG=\"true\"\nENV PATH=/usr/bin\n# done";
var m = ParseDockerEnv(df);
if (!(m["APP_HOME"] == "/opt/app")) throw new Exception("legacy form: " + m.GetValueOrDefault("AP... | if (!(ParseDockerEnv("").Count == 0)) throw new Exception("empty");
if (!(ParseDockerEnv("# comment only").Count == 0)) throw new Exception("comment only");
var d1 = ParseDockerEnv("ENV A=1 B=2 C=3");
if (!(d1.Count == 3 && d1["A"] == "1" && d1["B"] == "2" && d1["C"] == "3")) throw new Exception("multi modern");
var d2... | pattern_matching |
13 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class SystemdParser
{
static string StripComment(string s)
{
string r = ""; bool q = false;
foreach (char c in s) { if (c == '"') q = !q; if (!q && (c == '#' || c == ';')) break; r += c; }
return r;
}
// Parse systemd unit file:
... | foreach (var raw in text.Split('\n')) {
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.EndsWith("\\")) { pending.Append(line, 0, line.Length - 1); continue; }
pending.Append(line);
string logical = StripComment(pending.ToString()).Trim(); pendi... | }
static void Main()
{
string unit = "[Unit]\nDescription=My \\\n Service\nAfter=network.target\nAfter=syslog.target\n\n[Service]\nExecStart=/usr/bin/app ; not a comment in quotes? actually comment\nRestart=always\n# maintenance\n\n[Install]\nWantedBy=multi-user.target";
var m = ParseUnit(... | if (!(ParseUnit("").Count == 0)) throw new Exception("empty");
var u1 = ParseUnit("[s]\na=1\nb=2");
if (!(u1["s.a"] == "1" && u1["s.b"] == "2")) throw new Exception("basic section");
var u2 = ParseUnit("[s]\nk=x\nk=y\nk=z");
if (!(u2["s.k"] == "x, y, z")) throw new Exception("triple multi-value: " + u2.GetValueOrDefaul... | pattern_matching |
14 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class YamlLikeParser
{
static string StripComment(string s)
{
string r = ""; bool q = false;
foreach (char c in s) { if (c == '"') q = !q; if (!q && c == '#') break; r += c; }
return r;
}
// Parse simple YAML-like format into flat... | foreach (var raw in text.Split('\n')) {
if (pending.Length == 0) pendingIndent = raw.Length - raw.TrimStart().Length;
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.TrimEnd().EndsWith("\\")) { pending.Append(line.TrimEnd().Substring(0, line.TrimEnd().Lengt... | }
static void Main()
{
string yaml = "server:\n host: localhost\n port: 8080\n ssl:\n enabled: true\n cert: /etc/\\\nssl/cert.pem\ndatabase:\n url: \"jdbc:mysql://db\" # connection\n pool: 5";
var m = ParseYamlLike(yaml);
if (!(m["server.host"] == "localhost")) throw new ... | if (!(ParseYamlLike("").Count == 0)) throw new Exception("empty");
var y1 = ParseYamlLike("a: 1\nb: 2");
if (!(y1["a"] == "1" && y1["b"] == "2")) throw new Exception("flat keys");
var y2 = ParseYamlLike("p:\n c1: x\n c2: y");
if (!(y2["p.c1"] == "x" && y2["p.c2"] == "y")) throw new Exception("one level nesting");
var... | pattern_matching |
15 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class GitConfigParser
{
static string StripComment(string s)
{
string r = ""; bool q = false;
foreach (char c in s) { if (c == '"') q = !q; if (!q && (c == '#' || c == ';')) break; r += c; }
return r;
}
// Parse .gitconfig format:... | foreach (var raw in text.Split('\n')) {
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.EndsWith("\\")) { pending.Append(line, 0, line.Length - 1); continue; }
pending.Append(line);
string logical = StripComment(pending.ToString()).Trim(); pendi... | }
static void Main()
{
string cfg = "[core]\n autocrlf = true\n[remote \"origin\"]\n url = git@github.com:\\\n user/repo.git\n fetch = +refs/heads/*:refs/remotes/origin/*\n; global comment\n[user]\n name = \"Dev User\" # inline";
var m = ParseGitConfig(cfg);
if (!(m["core.aut... | if (!(ParseGitConfig("").Count == 0)) throw new Exception("empty");
var g1 = ParseGitConfig("[s]\na=1");
if (!(g1["s.a"] == "1")) throw new Exception("basic");
var g2 = ParseGitConfig("[branch \"main\"]\nremote = origin\nmerge = refs/heads/main");
if (!(g2["branch.main.remote"] == "origin")) throw new Exception("subsec... | pattern_matching |
16 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class ApacheConfigParser
{
static string StripComment(string s)
{
string r = ""; bool q = false;
foreach (char c in s) { if (c == '"') q = !q; if (!q && c == '#') break; r += c; }
return r;
}
// Parse simplified Apache config:
... | foreach (var raw in text.Split('\n')) {
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.EndsWith("\\")) { pending.Append(line, 0, line.Length - 1); continue; }
pending.Append(line);
string logical = StripComment(pending.ToString()).Trim(); pendi... | }
static void Main()
{
string cfg = "ServerRoot /etc/httpd\n\n<VirtualHost *:80>\n ServerName example.com\n DocumentRoot /var/www/\\\n html\n CustomLog \"/var/log/access.log\" # log path\n ErrorLog /var/log/error.log\n</VirtualHost>\n\nTimeout 300";
var m = ParseApacheConfig(cfg);
... | if (!(ParseApacheConfig("").Count == 0)) throw new Exception("empty");
var ap1 = ParseApacheConfig("Listen 80\nListen 443");
if (!(ap1["global.listen"] == "80, 443")) throw new Exception("multi-value: " + ap1.GetValueOrDefault("global.listen", "MISSING"));
var ap2 = ParseApacheConfig("<Directory /var>\n Options Indexe... | pattern_matching |
17 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
class Base32Encoder
{
// Default alphabet is REVERSED standard Base32 (standard: ABCDEFGHIJKLMNOPQRSTUVWXYZ234567).
// Reversed: "7654321ZYXWVUTSRQPONMLKJIHGFEDCBA" (index 0 => '7', index 31 => 'A').
// Padding char: '#' (not '=').
// Encode bytes to base32 string using... | var sb = new StringBuilder();
int bits = 0, buffer = 0;
foreach (byte b in data) {
buffer = (buffer << 8) | b; bits += 8;
while (bits >= 5) { bits -= 5; sb.Append(alphabet[(buffer >> bits) & 0x1F]); }
}
if (bits > 0) sb.Append(alphabet[(buffer << (5 - bits... | }
static void Main()
{
byte[] hello = Encoding.ASCII.GetBytes("Hi");
string encoded = Base32Encode(hello);
// Standard base32("Hi") = "JBUQ====" but our reversed alphabet maps differently
if (encoded == "JBUQ====") throw new Exception("used standard alphabet!");
if (... | if (!(Base32Encode(new byte[0]).Length == 0)) throw new Exception("empty input");
byte[] ha = Encoding.ASCII.GetBytes("A");
string hae = Base32Encode(ha);
if (!(hae.Length == 8)) throw new Exception("single byte padding");
if (!(hae.EndsWith("#"))) throw new Exception("pad char");
string hstd = "ABCDEFGHIJKLMNOPQRSTUVW... | pattern_matching |
18 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
class UrlEncoder
{
// Custom URL encoding rules (NOT standard percent-encoding):
// - Alphanumeric chars [A-Za-z0-9] are kept as-is.
// - Space ' ' => '+' (like application/x-www-form-urlencoded).
// - All other chars encoded as "~XX" where XX is uppercase hex of the by... | var sb = new StringBuilder();
foreach (byte b in Encoding.UTF8.GetBytes(input)) {
char c = (char)b;
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9')) sb.Append(c);
else if (c == ' ') sb.Append('+');
else sb.Append('~').Append(... | }
static void Main()
{
string result = UrlEncode("hello world");
if (!(result == "hello+world")) throw new Exception("spaces: " + result);
string result2 = UrlEncode("a.b@c");
// '.' is encoded, '@' is encoded, using ~ not %
if (result2.Contains("%")) throw new Excep... | if (!(UrlEncode("") == "")) throw new Exception("empty");
if (!(UrlEncode(" ") == "+")) throw new Exception("space only");
if (!(UrlEncode("~") == "~7E")) throw new Exception("tilde itself: " + UrlEncode("~"));
if (!(UrlEncode("/") == "~2F")) throw new Exception("slash: " + UrlEncode("/"));
if (!(UrlEncode("a b.c") == ... | pattern_matching |
19 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class EnvFileParser
{
static string StripComment(string s)
{
string r = ""; bool q = false;
foreach (char c in s) { if (c == '"') q = !q; if (!q && c == '#') break; r += c; }
return r;
}
// Parse .env file with profile support:
... | foreach (var raw in text.Split('\n')) {
string line = pending.Length > 0 ? raw.TrimStart() : raw;
if (line.EndsWith("\\")) { pending.Append(line, 0, line.Length - 1); continue; }
pending.Append(line);
string logical = StripComment(pending.ToString()).Trim(); pendi... | }
static void Main()
{
string env = "# global defaults\nAPP_NAME=myapp\nexport DEBUG=true\n\n[production]\nDB_HOST=prod-db.\\\n example.com\nDB_PASS=\"s3cr3t\" # secret\nexport LOG_LEVEL=warn\n\n[staging]\nDB_HOST=staging-db";
var m = ParseEnvFile(env);
if (!(m["default.APP_NAME"] ... | if (!(ParseEnvFile("").Count == 0)) throw new Exception("empty");
var e1 = ParseEnvFile("A=1\nB=2");
if (!(e1["default.A"] == "1" && e1["default.B"] == "2")) throw new Exception("basic default");
var e2 = ParseEnvFile("export X=yes");
if (!(e2["default.X"] == "yes")) throw new Exception("export strip");
var e3 = ParseE... | pattern_matching |
20 | devbench-pattern-matching | c_sharp | using System;
class EditDistanceCalc
{
// Custom edit distance: insert=1, delete=1, replace=1, swap(adjacent)=0.5
// editDistance("ab","ba") = 0.5, NOT 2 | editDistance("cat","car") = 1
static double EditDistance(string a, string b)
{
| int m = a.Length, n = b.Length;
double[,] dp = new double[m + 1, n + 1];
for (int i = 0; i <= m; i++) dp[i, 0] = i;
for (int j = 0; j <= n; j++) dp[0, j] = j;
for (int i = 1; i <= m; i++)
for (int j = 1; j <= n; j++) {
dp[i, j] = Math.Min(dp[i - 1, j] ... | }
static void Main()
{
if (!(EditDistance("ab", "ba") == 0.5)) throw new Exception("swap should cost 0.5, got " + EditDistance("ab", "ba"));
if (!(EditDistance("cat", "car") == 1.0)) throw new Exception("replace costs 1");
if (!(EditDistance("", "abc") == 3.0)) throw new Exception("... | if (!(EditDistance("", "") == 0.0)) throw new Exception("both empty");
if (!(EditDistance("a", "b") == 1.0)) throw new Exception("single replace");
if (!(EditDistance("abcd", "abdc") == 0.5)) throw new Exception("one swap at end");
if (!(EditDistance("ab", "ba") == 0.5)) throw new Exception("swap not 2");
if (!(EditDis... | pattern_matching |
21 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
static string StripComment(string s)
{
bool inQ = false;
for (int i = 0; i < s.Length; i++)
{
if (s[i] == '"') inQ = !inQ;
if (!inQ && (s[i] == '#' || s[i] == ';')) return s.Substring(0, i);
... | if (logical.StartsWith("[") && logical.EndsWith("]"))
{ section = logical.Substring(1, logical.Length - 2).Trim(); continue; }
int sep = logical.IndexOfAny(new[] { '=', ':' });
if (sep < 0) continue;
string key = logical.Substring(0, sep).Trim();
s... | }
return result;
}
static void Main(string[] args)
{
string cfg = "name = Alice\n" +
"path = /usr/\\\n" +
" local/bin\n" +
"note = \"keep # sign\" # tail\n" +
"; skip me\n" +
"[... | var ha = ParseConfig("");
if (ha.Count != 0) throw new Exception("empty input");
var hb = ParseConfig("x: 1\ny = 2");
if (hb["x"] != "1") throw new Exception("colon sep");
if (hb["y"] != "2") throw new Exception("equals sep");
var hc = ParseConfig("[s]\na=1\nb=2");
if (hc["s.a"] != "1") throw new Exception("section a")... | pattern_matching |
22 | devbench-pattern-matching | c_sharp | using System;
class Program
{
// Custom edit distance: insert=1, delete=1, replace=1, swap(adjacent)=0.5
// EditDistance("ab","ba") = 0.5, NOT 2 | EditDistance("cat","car") = 1
static double EditDistance(string a, string b)
{
int m = a.Length, n = b.Length;
double[,] dp = new double[m... | double cost = a[i - 1] == b[j - 1] ? 0 : 1;
dp[i, j] = Math.Min(dp[i - 1, j] + 1,
Math.Min(dp[i, j - 1] + 1, dp[i - 1, j - 1] + cost));
if (i > 1 && j > 1 && a[i - 1] == b[j - 2] && a[i - 2] == b[j - 1])
dp[i, j] = Math.Min(... | }
return dp[m, n];
}
static void Main(string[] args)
{
if (EditDistance("ab", "ba") != 0.5) throw new Exception("swap should cost 0.5");
if (EditDistance("cat", "car") != 1.0) throw new Exception("replace costs 1");
if (EditDistance("", "abc") != 3.0) throw new E... | if (EditDistance("", "") != 0.0) throw new Exception("both empty");
if (EditDistance("a", "b") != 1.0) throw new Exception("single replace");
if (EditDistance("abcd", "abdc") != 0.5) throw new Exception("one swap at end");
if (EditDistance("kitten", "sitting") != 3.0) throw new Exception("classic");
if (EditDistance("a... | pattern_matching |
23 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
static string TrimWs(string s) { return s.Trim(' ', '\t', '\r'); }
static string StripMC(string s)
{
bool q = false, esc = false;
for (int i = 0; i < s.Length; i++)
{
char c = s[i];
if (esc) { e... | if (val.Length >= 2 && val[0] == '"' && val[val.Length - 1] == '"')
val = val.Substring(1, val.Length - 2);
string fk = section.Length > 0 ? section + "." + key : key;
if (result.ContainsKey(fk))
result[fk] += ", " + val;
else
... | }
return result;
}
static void Main(string[] args)
{
string cfg = "[core]\nname=dev\\\nbench\n# ignored\n[limits]\nscore = 54";
var m = ParseManifest(cfg);
if (m["core.name"] != "devbench") throw new Exception("continuation");
if (m["limits.score"] != "54") t... | var ha = ParseManifest("");
if (ha.Count != 0) throw new Exception("empty");
var hb = ParseManifest("x=1\nx=2\nx=3");
if (hb["x"] != "1, 2, 3") throw new Exception("duplicate append");
var hc = ParseManifest("[s]\na = \"hello\"\nb = world");
if (hc["s.a"] != "hello") throw new Exception("unquote");
if (hc["s.b"] != "wo... | pattern_matching |
24 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program
{
// CSV parser: delimiter='|', quote=single-quote, escape=doubled single-quote.
// Newline inside quotes preserved. Unquoted fields trimmed; quoted fields NOT.
static List<List<string>> ParseCsv(string text)
{
var... | row.Add(wasQ ? field.ToString() : field.ToString().Trim());
field.Clear(); wasQ = false; i++;
}
else if (c == '\n')
{
row.Add(wasQ ? field.ToString() : field.ToString().Trim());
field.Clear();... | }
}
if (field.Length > 0 || row.Count > 0)
{
row.Add(wasQ ? field.ToString() : field.ToString().Trim());
rows.Add(row);
}
return rows;
}
static void Main(string[] args)
{
var r1 = ParseCsv("'a'| b |'c''d'");
if (r1[... | var ha = ParseCsv("");
if (ha.Count != 0) throw new Exception("empty input");
var hb = ParseCsv("x|y|z");
if (hb[0][0] != "x" || hb[0][1] != "y" || hb[0][2] != "z") throw new Exception("simple pipe");
var hc = ParseCsv(" hello | world ");
if (hc[0][0] != "hello" || hc[0][1] != "world") throw new Exception("unquoted t... | pattern_matching |
25 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Parse folded headers: "Name: value" starts a header.
// Line starting with space/tab continues previous header (joined with one space).
// Header names lowercased. Duplicates keep all values in order.
static Dictionary<string, List<stri... | if ((raw[0] == ' ' || raw[0] == '\t') && curKey != null)
{ var v = result[curKey]; v[v.Count - 1] += " " + raw.TrimStart(); }
else
{
int c = raw.IndexOf(':');
if (c < 0) continue;
curKey = raw.Substring(0, c).Trim().ToLower(... | }
return result;
}
static void Main(string[] args)
{
string h = "X-Note: one\n two\nX-Note: three\nHost: Example.COM";
var m = ParseHeaders(h);
if (m["x-note"].Count != 2) throw new Exception("note count");
if (m["x-note"][0] != "one two") throw new Exceptio... | var ha = ParseHeaders("");
if (ha.Count != 0) throw new Exception("empty");
var hb = ParseHeaders("A: 1\n\t2\nB: x");
if (hb["a"][0] != "1 2") throw new Exception("tab continuation");
if (hb["b"][0] != "x") throw new Exception("next header");
var hc = ParseHeaders("Set-Cookie: a=1\nSet-Cookie: b=2");
if (hc["set-cookie... | pattern_matching |
26 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program
{
// Template engine: {{key}} = substitute, {{key|upper}} = uppercase,
// {{key|lower}} = lowercase, {{key|default:X}} = use X if key missing.
// Missing key without default => literal "{{key}}" preserved.
// Chained: {{ke... | string val = has ? ctx[key] : null;
string def = null;
for (int f = 1; f < parts.Length; f++)
{
string fl = parts[f].Trim();
if (fl == "upper" && val != null) val = val.ToUpper();
else if (fl == "... | i = end + 2;
}
else { sb.Append(tpl[i]); i++; }
}
return sb.ToString();
}
static void Main(string[] args)
{
var ctx = new Dictionary<string, string> { {"name","Alice"}, {"role","admin"} };
if (Render("Hello {{name}}!", ctx) != "Hello A... | var ctx2 = new Dictionary<string, string> { {"name","Alice"}, {"role","admin"} };
if (Render("", ctx2) != "") throw new Exception("empty tpl");
if (Render("no vars", ctx2) != "no vars") throw new Exception("no vars");
if (Render("{{name|lower}}", ctx2) != "alice") throw new Exception("lower");
if (Render("{{role|upper}... | pattern_matching |
27 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program
{
// Split on commas, but NOT inside matched brackets: () [] {}.
// Brackets can be nested. Each result segment is trimmed.
static List<string> SplitTopLevel(string text)
{
var parts = new List<string>();
v... | if (c == '(' || c == '[' || c == '{') depth++;
else if (c == ')' || c == ']' || c == '}') depth--;
if (c == ',' && depth == 0)
{ parts.Add(cur.ToString().Trim()); cur.Clear(); }
else cur.Append(c);
| }
parts.Add(cur.ToString().Trim());
return parts;
}
static void Main(string[] args)
{
var r1 = SplitTopLevel("a, (b, c), d");
if (r1.Count != 3) throw new Exception("count");
if (r1[0] != "a") throw new Exception("first");
if (r1[1] != "(b, c)") throw... | var ha = SplitTopLevel("");
if (ha.Count != 1 || ha[0] != "") throw new Exception("empty");
var hb = SplitTopLevel("x");
if (hb.Count != 1 || hb[0] != "x") throw new Exception("single");
var hc = SplitTopLevel("a, b, c");
if (hc.Count != 3) throw new Exception("simple split");
var hd = SplitTopLevel("f(a, b), g(c, (d, ... | pattern_matching |
28 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
static string StripRC(string s)
{
bool q = false;
for (int i = 0; i < s.Length; i++)
{
if (s[i] == '"') q = !q;
if (s[i] == '#' && !q) return s.Substring(0, i);
}
return s;
}
... | int arrow = logical.IndexOf("->");
if (arrow < 0) continue;
string key = logical.Substring(0, arrow).Trim();
string handler = logical.Substring(arrow + 2).Trim();
if (handler.Length >= 2 && handler[0] == '"' && handler[handler.Length - 1] == '"')
... | }
return routes;
}
static void Main(string[] args)
{
string table = "GET /users -> \\\n" +
" userIndex # visible route\n" +
"POST /msg -> \"save#draft\" # comment";
var r = ParseRoutes(table);
if (r["GET /users"] != "use... | var ha = ParseRoutes("");
if (ha.Count != 0) throw new Exception("empty");
var hb = ParseRoutes("GET / -> root\n# skip\nBAD LINE");
if (hb["GET /"] != "root") throw new Exception("basic route");
if (hb.Count != 1) throw new Exception("skip bad lines");
var hc = ParseRoutes("PUT /a -> one \\\n two \\\n three");
if (hc["... | pattern_matching |
29 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program
{
// Tokenizer: IDENT, NUM, STRING, OP. Skip // and /* */ comments.
// Strings: "..." with \\ and \" escapes.
// Operators: +-*/=(){};,
static List<string> Tokenize(string code)
{
var tokens = new List<string>(... | if (char.IsDigit(code[i]))
{ int s = i; while (i < code.Length && char.IsDigit(code[i])) i++; tokens.Add("NUM:" + code.Substring(s, i - s)); continue; }
if (char.IsLetter(code[i]) || code[i] == '_')
{ int s = i; while (i < code.Length && (char.IsLetterOrDigit(code[i]) || ... | }
return tokens;
}
static void Main(string[] args)
{
var t1 = Tokenize("x = 42;");
if (t1[0] != "IDENT:x") throw new Exception("ident");
if (t1[1] != "OP:=") throw new Exception("op");
if (t1[2] != "NUM:42") throw new Exception("num");
if (t1[3] != "O... | var ha = Tokenize("");
if (ha.Count != 0) throw new Exception("empty");
var hb = Tokenize(" \n\t ");
if (hb.Count != 0) throw new Exception("whitespace only");
var hc = Tokenize("\"hello\"");
if (hc.Count != 1 || hc[0] != "STRING:hello") throw new Exception("string");
var hd = Tokenize("\"a\\\\b\"");
if (hd[0] != "ST... | pattern_matching |
30 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
static string StripTC(string s)
{
bool q = false;
for (int i = 0; i < s.Length; i++)
{
if (s[i] == '"') q = !q;
if (!q && s[i] == '#') return s.Substring(0, i);
}
return s;
}
... | if (valStr.Length >= 2 && valStr[0] == '"' && valStr[valStr.Length - 1] == '"')
result[fk] = valStr.Substring(1, valStr.Length - 2);
else if (valStr == "true" || valStr == "false")
result[fk] = valStr == "true";
else if (int.TryParse(valStr, out int iv... | }
return result;
}
static void Main(string[] args)
{
string cfg = "count = 42\nenabled = true\n[db]\nhost = \"localhost\"\nport = 5432\nssl = false";
var m = ParseTypedConfig(cfg);
if ((int)m["count"] != 42) throw new Exception("int type");
if ((bool)m["enabl... | var ha = ParseTypedConfig("");
if (ha.Count != 0) throw new Exception("empty");
var hb = ParseTypedConfig("x = 0\ny = true\nz = false\nw = \"hello\"");
if ((int)hb["x"] != 0) throw new Exception("zero int");
if ((bool)hb["y"] != true) throw new Exception("true");
if ((bool)hb["z"] != false) throw new Exception("false")... | pattern_matching |
31 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
class Program
{
static readonly string STANDARD_B32 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
static readonly string REVERSED_B32 = new string(
System.Linq.Enumerable.ToArray(System.Linq.Enumerable.Reverse(STANDARD_B32)));
// Base32 encoder with configurable alphabet a... | StringBuilder sb = new StringBuilder();
int buffer = 0, bitsLeft = 0;
foreach (byte b in data)
{
buffer = (buffer << 8) | b;
bitsLeft += 8;
while (bitsLeft >= 5)
{
bitsLeft -= 5;
sb.Append(alphabet[(buffer >>... | }
static void Main()
{
// Reversed alphabet: STANDARD_B32[0]='A' maps to REVERSED_B32[0]='7'
// Standard base32("f") = "MY======"; reversed must differ
string r1 = Base32Encode(new byte[]{0x66});
if (r1 == "MY======") throw new Exception("Must not be standard base32");
... | string e1 = Base32Encode(new byte[0]);
if (e1 != "") throw new Exception($"Empty input should give empty, got {e1}");
string abc_std = Base32Encode(new byte[]{0x61,0x62,0x63}, STANDARD_B32, '=');
if (abc_std != "MFRGG===") throw new Exception($"Expected MFRGG=== got {abc_std}");
... | pattern_matching |
32 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Parses INI-style config. Rules:
// - Lines starting with # or ; are comments (but only if # or ; is the FIRST non-space char)
// - [section] starts a new section
// - key = value pairs; value is trimmed
// - A line ending with \ con... | var result = new Dictionary<string, Dictionary<string, string>>();
string section = "";
result[section] = new Dictionary<string, string>();
string[] lines = text.Split('\n');
int i = 0;
while (i < lines.Length)
{
string line = lines[i].TrimEnd();
... | }
static void Main()
{
string config = "[server]\nhost = localhost\nport = 8080\n# comment\n[db]\nconn = host=db;\\\n port=5432\nconn = user=admin";
var r = ParseIni(config);
if (r["server"]["host"] != "localhost") throw new Exception("host wrong");
if (r["server"]["port"]... | string cfg2 = "key1 = hello\n; a comment\nkey1 = world";
var r2 = ParseIni(cfg2);
if (r2[""]["key1"] != "hello,world") throw new Exception($"Global dup expected hello,world got {r2[""]["key1"]}");
string cfg3 = "[s1]\nval = a\\\n b\\\n c";
var r3 = ParseIni(cfg3);
if (... | pattern_matching |
33 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Parse .env-style file with profiles.
// Rules:
// - [profile_name] starts a new profile; default profile is ""
// - Lines can optionally start with "export " which is stripped
// - KEY=VALUE or KEY="quoted value" (strip quotes)
... | var result = new Dictionary<string, Dictionary<string, string>>();
string profile = "";
result[profile] = new Dictionary<string, string>();
string[] lines = text.Split('\n');
int i = 0;
while (i < lines.Length)
{
string line = lines[i].TrimEnd();
... | }
static void Main()
{
string env = "# global\nexport DB_HOST=localhost\nDB_PORT=5432\n[production]\nDB_HOST=\"prod.db.com\"\nSECRET=abc\\\ndef";
var r = ParseEnv(env);
if (r[""]["DB_HOST"] != "localhost") throw new Exception("global DB_HOST wrong");
if (r[""]["DB_PORT"] != ... | string env2 = "export KEY1=\"value with # hash\"\nKEY2=plain";
var r2 = ParseEnv(env2);
if (r2[""]["KEY1"] != "value with # hash") throw new Exception($"Hash in quotes: got {r2[""]["KEY1"]}");
if (r2[""]["KEY2"] != "plain") throw new Exception("KEY2 wrong");
string env3 = "[dev]... | pattern_matching |
34 | devbench-pattern-matching | c_sharp | using System;
class Program
{
// Edit distance with custom costs:
// - Insert cost: 1
// - Delete cost: 1
// - Substitution cost: 2 (NOT the standard 1!)
// - Transposition of adjacent chars cost: 0.5
// Returns minimum cost as double.
static double EditDistance(string a, string b)
{
| int m = a.Length, n = b.Length;
double[,] dp = new double[m + 1, n + 1];
for (int i = 0; i <= m; i++) dp[i, 0] = i;
for (int j = 0; j <= n; j++) dp[0, j] = j;
for (int i = 1; i <= m; i++)
for (int j = 1; j <= n; j++)
{
double cost = a[i - 1... | }
static void Main()
{
// "ab" -> "ba": transposition costs 0.5, NOT standard 2
double r1 = EditDistance("ab", "ba");
if (Math.Abs(r1 - 0.5) > 1e-9) throw new Exception($"ab->ba expected 0.5 got {r1}");
// "abc" -> "abc": identical = 0
if (Math.Abs(EditDistance("abc... | // "cat" -> "act": one transposition (ca->ac) + t stays = 0.5
// But also check "kitten" -> "sitting"
double r3 = EditDistance("", "abc");
if (Math.Abs(r3 - 3.0) > 1e-9) throw new Exception($"empty->abc expected 3 got {r3}");
double r4 = EditDistance("abc", "");
if (Math... | pattern_matching |
35 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Text;
class Program
{
// Simple template engine. Supported syntax:
// - {{key}} — replaced with vars[key], or "" if missing
// - {%if key%}...{%endif%} — include block only if vars[key] is truthy (non-empty, non-"false", non-"0")
// - {%if !k... | StringBuilder sb = new StringBuilder();
int i = 0;
bool IsTruthy(string k)
{
if (!vars.ContainsKey(k)) return false;
string v = vars[k];
return v != "" && v != "false" && v != "0";
}
void Render(bool emit)
{
while (i... | }
static void Main()
{
var vars = new Dictionary<string, string> { {"name", "Alice"}, {"show", "true"}, {"hide", "false"} };
string t1 = "Hello {{name}}!";
if (RenderTemplate(t1, vars) != "Hello Alice!") throw new Exception("Simple var failed");
string t2 = "{%if show%}Visi... | var v2 = new Dictionary<string, string> { {"a", "1"}, {"b", "0"} };
string t4 = "{%if a%}A{%if b%}B{%endif%}C{%endif%}";
string r4 = RenderTemplate(t4, v2);
if (r4 != "AC") throw new Exception($"Nested if: expected 'AC' got '{r4}'");
string t5 = "{{missing}}x";
string r5... | pattern_matching |
36 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
class Program
{
static readonly string STANDARD_HEX = "0123456789abcdef";
static readonly string REVERSED_HEX = "fedcba9876543210";
// Hex encoder with configurable digit alphabet.
// Default uses REVERSED_HEX where '0' maps to 'f', '1' maps to 'e', etc.
// separat... | StringBuilder sb = new StringBuilder();
for (int i = 0; i < data.Length; i++)
{
int hi = (data[i] >> 4) & 0xF;
int lo = data[i] & 0xF;
if (i > 0) sb.Append(separator);
sb.Append(alphabet[hi]);
sb.Append(alphabet[lo]);
}
... | }
static void Main()
{
// Standard hex for 0xFF is "ff"; reversed maps 0xF->0, so "00"
string r1 = HexEncode(new byte[]{0xFF});
if (r1 != "00") throw new Exception($"0xFF reversed: expected '00' got '{r1}'");
if (r1 == "ff") throw new Exception("Must not use standard hex");
... | string e1 = HexEncode(new byte[0]);
if (e1 != "") throw new Exception($"Empty expected '' got '{e1}'");
// 0x41='A' standard hex "41"; reversed: 4->b, 1->e => "be"
string r4 = HexEncode(new byte[]{0x41});
if (r4 != "be") throw new Exception($"0x41 reversed expected 'be' got '{r4... | pattern_matching |
37 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Custom CSV parser rules:
// - Delimiter is '|' (pipe), NOT comma
// - Quoting: fields wrapped in single quotes preserve pipes and newlines literally
// - Escape: inside single quotes, '' (two single quotes) represents a literal '
//... | var rows = new List<List<string>>();
var current = new List<string>();
int i = 0;
while (i <= text.Length)
{
var field = new System.Text.StringBuilder();
bool quoted = false;
if (i < text.Length && text[i] == '\'')
{
... | }
static void Main()
{
string data = "a | b | c\n' d '|'e|f'|g";
var rows = ParseCsv(data);
if (rows[0][0] != "a") throw new Exception($"Row0Col0: expected 'a' got '{rows[0][0]}'");
if (rows[0][1] != "b") throw new Exception($"Unquoted should be trimmed: got '{rows[0][1]}'")... | // Empty input
var re = ParseCsv("");
if (re.Count != 1 || re[0].Count != 1 || re[0][0] != "") throw new Exception("Empty input handling wrong");
// Multi-row with quoted newline would not apply here since newlines end rows
// Test all-quoted row
string d3 = "'a'|'b'|'c'... | pattern_matching |
38 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
class Program
{
// Run-length encode a string. Custom format rules:
// - Single chars are output as-is (NOT "1a" or "a1")
// - Runs of 2+ are output as COUNT THEN CHAR (e.g., "aaa" -> "3a")
// - Digits in input are escaped by prefixing with '\' (e.g., "3" -> "\3")
/... | if (input.Length == 0) return "";
StringBuilder sb = new StringBuilder();
int i = 0;
while (i < input.Length)
{
char c = input[i];
int count = 1;
while (i + count < input.Length && input[i + count] == c) count++;
string escaped;
... | }
static void Main()
{
if (RunLengthEncode("aaa") != "3a") throw new Exception($"aaa: got {RunLengthEncode("aaa")}");
if (RunLengthEncode("a") != "a") throw new Exception("single char wrong");
if (RunLengthEncode("aabbb") != "2a3b") throw new Exception($"aabbb: got {RunLengthEncode(... | if (RunLengthEncode("") != "") throw new Exception("empty wrong");
if (RunLengthEncode("abcd") != "abcd") throw new Exception("no runs wrong");
// backslash escaping
string bs = RunLengthEncode("\\");
if (bs != "\\\\") throw new Exception($"backslash: got '{bs}'");
strin... | pattern_matching |
39 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Split a string by a delimiter, but ignore delimiters inside brackets.
// Bracket pairs: (), [], {}
// Also ignore delimiters inside double-quoted strings (handle \" escape)
// Delimiter defaults to ','
// Trim each resulting segment... | var result = new List<string>();
int depth = 0;
bool inString = false;
bool escaped = false;
int start = 0;
for (int i = 0; i < input.Length; i++)
{
char c = input[i];
if (escaped) { escaped = false; continue; }
if (c == '\\' &&... | }
static void Main()
{
var r1 = BracketAwareSplit("a, b, c");
if (r1.Count != 3 || r1[0] != "a") throw new Exception("Simple split failed");
var r2 = BracketAwareSplit("f(1,2), g(3)");
if (r2.Count != 2) throw new Exception($"Bracket: expected 2 got {r2.Count}");
if... | // Nested brackets
var r4 = BracketAwareSplit("f({a,b},[c,d]), x");
if (r4.Count != 2) throw new Exception($"Nested: expected 2 got {r4.Count}");
// Escaped quote in string
var r5 = BracketAwareSplit("\"a\\\"b,c\", d");
if (r5.Count != 2) throw new Exception($"Escaped qu... | pattern_matching |
40 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
// Parse markdown table into list of dictionaries.
// Rules:
// - First row is header
// - Second row is separator (---) — skip it
// - Remaining rows are data
// - Cells are separated by | and trimmed
// - L... | List<string> SplitRow(string row)
{
// Strip leading/trailing |
row = row.Trim();
if (row.StartsWith("|")) row = row.Substring(1);
if (row.EndsWith("|")) row = row.Substring(0, row.Length - 1);
var cells = new List<string>();
bool i... | }
static void Main()
{
string table = "| Name | Value |\n| --- | --- |\n| foo | 42 |\n| bar | 99 |";
var rows = ParseMarkdownTable(table);
if (rows.Count != 2) throw new Exception($"Expected 2 rows got {rows.Count}");
if (rows[0]["Name"] != "foo") throw new Exception($"Name:... | // Empty table
var re = ParseMarkdownTable("| H |\n|---|\n");
if (re.Count != 0) throw new Exception($"Empty data: expected 0 rows got {re.Count}");
// Missing cells
string t3 = "| A | B | C |\n|---|---|---|\n| 1 | 2 |";
var r3 = ParseMarkdownTable(t3);
if (r3[0]... | pattern_matching |
41 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Split identifier into words. Custom rules:
// - Split before uppercase letter that follows a lowercase letter: "fooBar" -> ["foo","Bar"]
// - Split before uppercase letter that is followed by lowercase (in an acronym run): "XMLParser" -> ["... | var words = new List<string>();
int start = 0;
for (int i = 0; i < input.Length; i++)
{
if (input[i] == '_')
{
if (i > start) words.Add(input.Substring(start, i - start));
start = i + 1;
continue;
}
... | }
static void Main()
{
var r1 = SplitIdentifier("fooBar");
if (r1.Count != 2 || r1[0] != "foo" || r1[1] != "Bar") throw new Exception($"fooBar: {string.Join(",", r1)}");
var r2 = SplitIdentifier("XMLParser");
if (r2.Count != 2 || r2[0] != "XML" || r2[1] != "Parser") throw n... | var r4 = SplitIdentifier("abc_def");
if (r4.Count != 2 || r4[0] != "abc" || r4[1] != "def") throw new Exception($"underscore: {string.Join(",", r4)}");
var r5 = SplitIdentifier("HTTPSConnection");
if (r5.Count != 2 || r5[0] != "HTTPS" || r5[1] != "Connection") throw new Exception($"HTTP... | pattern_matching |
42 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Split a command line string into arguments, shell-style:
// - Spaces delimit arguments
// - Double-quoted strings: spaces preserved, \" for literal quote, \\ for literal backslash
// - Single-quoted strings: everything literal (no escap... | var args = new List<string>();
var current = new System.Text.StringBuilder();
bool hasArg = false;
int i = 0;
while (i < input.Length)
{
char c = input[i];
if (c == '"')
{
hasArg = true; i++;
while (i < i... | }
static void Main()
{
var r1 = ShellSplit("echo hello world");
if (r1.Count != 3 || r1[0] != "echo") throw new Exception($"Simple: {string.Join("|", r1)}");
var r2 = ShellSplit("echo \"hello world\"");
if (r2.Count != 2 || r2[1] != "hello world") throw new Exception($"Dquo... | // Escaped quote in double quotes
var r5 = ShellSplit("echo \"say \\\"hi\\\"\"");
if (r5.Count != 2 || r5[1] != "say \"hi\"") throw new Exception($"Escaped dquote: {string.Join("|", r5)}");
// Single quotes: no escaping
var r6 = ShellSplit("echo 'it\\''s'");
// 'it\\' ->... | pattern_matching |
43 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Analyzes a method and returns a precise description string.
// The description MUST contain ALL of the following keywords based on method properties:
// - "mutates" if the method modifies a collection parameter (add/remove/set)
// - "pu... | var keywords = new SortedSet<string>();
string lower = code.ToLower();
if (lower.Contains(".add(") || lower.Contains(".remove") || lower.Contains(".insert(") ||
lower.Contains("[") && lower.Contains("] ="))
keywords.Add("mutates");
if (lower.Contains("throw ") || ... | }
static void Main()
{
string code1 = "public int Sum(List<int> items) { int s = 0; foreach(var x in items) s += x; return s; }";
string d1 = DescribeMethod("Sum", code1);
if (!d1.Contains("pure")) throw new Exception($"Sum should be pure: {d1}");
if (!d1.Contains("O(n)")) t... | string code3 = "public string Find(Dictionary<string,string> d, string k) { if (!d.ContainsKey(k)) return null; return d[k]; }";
string d3 = DescribeMethod("Find", code3);
if (!d3.Contains("nullable")) throw new Exception($"Find should be nullable: {d3}");
if (!d3.Contains("O(1)")) throw... | pattern_matching |
44 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Match a URL path against a route pattern and extract parameters.
// Pattern syntax:
// /literal — exact match
// /{name} — captures any non-slash segment into params["name"]
// /{name:int} — captures only if segment is all dig... | var result = new Dictionary<string, string>();
string[] patParts = pattern.Split(new[]{'/'}, StringSplitOptions.RemoveEmptyEntries);
string[] pathParts = path.Split(new[]{'/'}, StringSplitOptions.RemoveEmptyEntries);
int pi = 0;
for (int i = 0; i < patParts.Length; i++)
... | }
static void Main()
{
var r1 = MatchRoute("/users/{id}", "/users/42");
if (r1 == null || r1["id"] != "42") throw new Exception("Simple param failed");
var r2 = MatchRoute("/users/{id:int}", "/users/abc");
if (r2 != null) throw new Exception("Int constraint should reject ab... | // Extra path segments should fail
var r5 = MatchRoute("/users/{id}", "/users/42/extra");
if (r5 != null) throw new Exception("Extra segments should fail");
// Int constraint passes with digits
var r6 = MatchRoute("/items/{id:int}", "/items/999");
if (r6 == null || r6["i... | pattern_matching |
45 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Parse TOML-style config into nested dictionaries.
// Rules:
// - [table] defines a table; dotted: [a.b] means a -> b -> {}
// - key = "string_value" or key = 123 (integer) or key = true/false
// - Dotted keys: a.b.c = "x" means a ->... | var root = new Dictionary<string, object>();
var current = root;
foreach (string rawLine in text.Split('\n'))
{
string line = rawLine.Trim();
if (line.Length == 0 || line[0] == '#') continue;
if (line.StartsWith("[") && !line.StartsWith("[["))
... | }
static void Main()
{
string toml = "# config\n[server]\nhost = \"localhost\"\nport = 8080\nenabled = true\n\n[db.primary]\nconn = \"pg://localhost\"";
var r = ParseToml(toml);
var server = (Dictionary<string, object>)r["server"];
if ((string)server["host"] != "localhost")... | // Dotted key
string toml2 = "a.b.c = \"deep\"";
var r2 = ParseToml(toml2);
var a2 = (Dictionary<string, object>)r2["a"];
var b2 = (Dictionary<string, object>)a2["b"];
if ((string)b2["c"] != "deep") throw new Exception("Dotted key failed");
// Boolean false
... | pattern_matching |
46 | devbench-pattern-matching | c_sharp | using System;
using System.Text;
using System.Numerics;
class Program
{
static readonly string BITCOIN_B58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
static readonly string REVERSED_B58 = new string(
System.Linq.Enumerable.ToArray(System.Linq.Enumerable.Reverse(BITCOIN_B58)));
... | // Count leading zeros
int leadingZeros = 0;
foreach (byte b in data) { if (b == 0) leadingZeros++; else break; }
BigInteger num = new BigInteger(new ReadOnlySpan<byte>(data), true, true);
StringBuilder sb = new StringBuilder();
while (num > 0)
{
num ... | }
static void Main()
{
// Single byte 0x01 with reversed alphabet
string r1 = Base58Encode(new byte[]{0x01});
string s1 = Base58Encode(new byte[]{0x01}, BITCOIN_B58);
if (r1 == s1) throw new Exception("Reversed must differ from standard");
if (s1 != "2") throw new Ex... | // Empty input
string e = Base58Encode(new byte[0]);
if (e != "") throw new Exception($"Empty: expected '' got '{e}'");
// All zeros
string z3 = Base58Encode(new byte[]{0x00, 0x00, 0x00});
if (z3.Length != 3) throw new Exception($"3 zeros: expected length 3 got {z3.Lengt... | pattern_matching |
47 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Evaluate simple math expressions with variables.
// Supports: +, -, *, / (integer division), parentheses
// Operator precedence: * and / bind tighter than + and -
// Variables are looked up in the vars dictionary.
// Throws Exceptio... | int pos = 0;
int ParseExpr()
{
int result = ParseTerm();
while (pos < expr.Length && (expr[pos] == '+' || expr[pos] == '-'))
{
char op = expr[pos++];
int right = ParseTerm();
result = op == '+' ? result + right :... | }
static void Main()
{
var v = new Dictionary<string, int> { {"x", 10}, {"y", 3} };
if (EvalExpr("x+y", v) != 13) throw new Exception("x+y failed");
if (EvalExpr("x*y+1", v) != 31) throw new Exception("precedence failed");
if (EvalExpr("(x+y)*2", v) != 26) throw new Exceptio... | var v2 = new Dictionary<string, int> { {"a", 5} };
if (EvalExpr("a*a+a", v2) != 30) throw new Exception("a*a+a failed");
if (EvalExpr("(a+1)*(a-1)", v2) != 24) throw new Exception("nested parens failed");
if (EvalExpr("100", v2) != 100) throw new Exception("literal failed");
boo... | pattern_matching |
48 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Simple JSON-path query on nested dictionaries/lists.
// Path syntax:
// .key — access dictionary key
// [n] — access list index (0-based)
// [*] — wildcard: return all elements of a list as flat list
// Input is an object ... | object current = root;
int i = 0;
while (i < path.Length)
{
if (path[i] == '.')
{
i++;
int start = i;
while (i < path.Length && path[i] != '.' && path[i] != '[') i++;
string key = path.Substring(start... | }
static void Main()
{
var data = new Dictionary<string, object>
{
{"name", "Alice"},
{"scores", new List<object>{90, 85, 95}},
{"address", new Dictionary<string, object>{{"city", "NYC"}}}
};
if ((string)JsonPathQuery(data, ".name") != "A... | // Nested wildcard
var data2 = new Dictionary<string, object>
{
{"items", new List<object>{
new Dictionary<string, object>{{"v", 1}},
new Dictionary<string, object>{{"v", 2}}
}}
};
var vals = (List<object>)JsonPathQuery(data... | pattern_matching |
49 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
// Sort strings using custom rules (NOT standard lexicographic!):
// 1. Shorter strings come first
// 2. Same length: sort by vowel count (more vowels first)
// 3. Same length and vowel count: sort lexicographically (cas... | int CountVowels(string s)
{
int count = 0;
foreach (char c in s.ToLower())
if ("aeiou".Contains(c)) count++;
return count;
}
return items.OrderBy(s => s.Length)
.ThenByDescending(s => CountVowels(s))
... | }
static void Main()
{
var input = new List<string> {"cat", "hi", "bee", "a", "dog", "eye"};
var result = CustomSort(input);
// "a" (len 1), "hi" (len 2), then len 3: "eye"(2 vowels), "bee"(2 vowels), "cat"(1), "dog"(1)
if (result[0] != "a") throw new Exception($"First: exp... | // Same length, same vowels => lexicographic
var input2 = new List<string> {"bat", "cat", "ant"};
var r2 = CustomSort(input2);
// All length 3, all 1 vowel => lex: ant, bat, cat
if (r2[0] != "ant" || r2[1] != "bat" || r2[2] != "cat") throw new Exception($"Lex: {string.Join(",", r... | pattern_matching |
50 | devbench-pattern-matching | c_sharp | using System;
using System.Collections.Generic;
class Program
{
// Describe a C# type definition string with precise keywords.
// Input is a simplified type declaration string. Output format: sorted comma-separated keywords.
// Rules:
// - Contains "class" -> "reference-type"
// - Contains "struct"... | var keywords = new SortedSet<string>();
if (typeDecl.Contains("class")) keywords.Add("reference-type");
if (typeDecl.Contains("struct")) keywords.Add("value-type");
if (typeDecl.Contains("interface")) keywords.Add("contract");
if (typeDecl.Contains("sealed")) keywords.Add("non-in... | }
static void Main()
{
string t1 = "public sealed class MyService : IDisposable";
string d1 = DescribeType(t1);
if (!d1.Contains("non-inheritable")) throw new Exception($"Sealed: {d1}");
if (!d1.Contains("disposable")) throw new Exception($"Disposable: {d1}");
if (!d... | string t3 = "public struct Point";
string d3 = DescribeType(t3);
if (!d3.Contains("value-type")) throw new Exception($"Struct: {d3}");
if (d3.Contains("reference-type")) throw new Exception("Struct should not be reference-type");
string t4 = "public interface IRepository<T> : IE... | pattern_matching |
1 | devbench-syntax-completion | c_sharp | using System;
class Program
{
abstract record Shape;
record Circle(double Radius) : Shape;
record Rect(double W, double H) : Shape;
record Triangle(double Base, double Height) : Shape;
static string Classify(Shape s) => s switch
{
| Circle { Radius: > 10 } => "big-circle",
Circle c => $"circle-{c.Radius}",
Rect { W: var w, H: var h } when w == h => $"square-{w}",
Rect r => $"rect-{r.W}x{r.H}",
Triangle { Base: var b, Height: var h } when b * h / 2 > 50 => "big-tri",
Triangle t => $"tri-{t.Base}",
... | };
static void Main()
{
if (!(Classify(new Circle(15)) == "big-circle")) throw new Exception();
if (!(Classify(new Circle(5)) == "circle-5")) throw new Exception();
if (!(Classify(new Rect(4, 4)) == "square-4")) throw new Exception();
if (!(Classify(new Rect(3, 5)) == "rect-... | if (!(Classify(new Circle(10)) == "circle-10")) throw new Exception();
if (!(Classify(new Circle(10.1)) == "big-circle")) throw new Exception();
if (!(Classify(new Rect(1, 1)) == "square-1")) throw new Exception();
if (!(Classify(new Triangle(10, 10)) == "tri-10")) throw new Exception();
if (!(Classify(new Triangle(100... | syntax_completion |
2 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
using System.Collections.Generic;
class Program
{
record Sale(string Product, string Region, double Amount);
static Dictionary<string, (int Count, double Total)> Summarize(List<Sale> sales)
{
var query = from s in sales
let rounded = Math.Round(... | orderby g.Count() descending
select new { Region = g.Key, Count = g.Count(), Total = g.Sum(x => x.Amount) };
return query.ToDictionary(x => x.Region, x => (x.Count, x.Total));
| }
static void Main()
{
var sales = new List<Sale>
{
new("Widget", "East", 50.5),
new("Gadget", "East", 30.0),
new("Widget", "West", 5.0),
new("Gadget", "West", 20.0),
new("Widget", "East", 8.0),
};
var result = Summ... | var sales2 = new List<Sale>
{
new("A", "North", 100), new("B", "North", 200), new("C", "South", 5),
};
var r2 = Summarize(sales2);
if (!(r2.ContainsKey("North") && r2["North"].Count == 2)) throw new Exception();
if (!(r2["North"].Total == 300)) throw new Exception();
if (r2.ContainsKey("South")) throw new Exception... | syntax_completion |
3 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
class Program
{
static List<T> MergeSorted<T>(List<T> a, List<T> b) where T : IComparable<T>
{
var result = new List<T>(a.Count + b.Count);
int i = 0, j = 0;
| while (i < a.Count && j < b.Count)
{
if (a[i].CompareTo(b[j]) <= 0)
result.Add(a[i++]);
else
result.Add(b[j++]);
}
while (i < a.Count) result.Add(a[i++]);
while (j < b.Count) result.Add(b[j++]);
| return result;
}
static void Main()
{
var a = new List<int> { 1, 3, 5, 7 };
var b = new List<int> { 2, 4, 6, 8 };
var merged = MergeSorted(a, b);
if (!(string.Join(",", merged) == "1,2,3,4,5,6,7,8")) throw new Exception();
}
}
| var empty = MergeSorted(new List<int>(), new List<int> { 1, 2 });
if (!(string.Join(",", empty) == "1,2")) throw new Exception();
var same = MergeSorted(new List<int> { 1, 1 }, new List<int> { 1, 1 });
if (!(string.Join(",", same) == "1,1,1,1")) throw new Exception();
var strs = MergeSorted(new List<string> { "a", "c" ... | syntax_completion |
4 | devbench-syntax-completion | c_sharp | using System;
class Program
{
enum Season { Spring, Summer, Autumn, Winter }
enum Temp { Cold, Mild, Hot }
static string Advisory(Season s, Temp t, bool raining) => (s, t, raining) switch
{
(Season.Winter, Temp.Cold, true) => "blizzard-warning",
(Season.Winter, Temp.Cold, false) => "fr... | (Season.Summer, Temp.Hot, true) => "thunderstorm",
(Season.Summer, Temp.Hot, false) => "heat-wave",
(Season.Summer, _, true) => "summer-rain",
(Season.Summer, _, _) => "pleasant",
(_, _, true) => "bring-umbrella",
(_, Temp.Cold, _) => "bundle-up",
_ => "normal"
| };
static void Main()
{
if (!(Advisory(Season.Winter, Temp.Cold, true) == "blizzard-warning")) throw new Exception();
if (!(Advisory(Season.Summer, Temp.Hot, false) == "heat-wave")) throw new Exception();
if (!(Advisory(Season.Summer, Temp.Mild, true) == "summer-rain")) throw new Ex... | if (!(Advisory(Season.Winter, Temp.Mild, true) == "winter-mild")) throw new Exception();
if (!(Advisory(Season.Winter, Temp.Hot, false) == "winter-mild")) throw new Exception();
if (!(Advisory(Season.Summer, Temp.Hot, true) == "thunderstorm")) throw new Exception();
if (!(Advisory(Season.Summer, Temp.Cold, true) == "su... | syntax_completion |
5 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static IEnumerable<int> FibUpTo(int max)
{
int a = 0, b = 1;
| while (a <= max)
{
yield return a;
int next = a + b;
a = b;
b = next;
}
| }
static void Main()
{
var fibs = FibUpTo(20).ToList();
if (!(string.Join(",", fibs) == "0,1,1,2,3,5,8,13")) throw new Exception();
if (!(FibUpTo(0).Count() == 1)) throw new Exception();
}
}
| if (!(FibUpTo(1).ToList().Count == 3)) throw new Exception("0,1,1");
if (!(FibUpTo(100).Last() == 89)) throw new Exception();
if (!(FibUpTo(100).Count() == 12)) throw new Exception();
var big = FibUpTo(1000).ToList();
if (!(big.Last() == 987)) throw new Exception();
| syntax_completion |
6 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
using System.Collections.Generic;
class Program
{
record Student(int Id, string Name, int DeptId);
record Dept(int Id, string Name);
record Grade(int StudentId, string Course, int Score);
static List<string> TopStudents(List<Student> students, List<Dept> depts, List<Gr... | where avg >= 80
orderby avg descending, s.Name
select $"{s.Name} ({d.Name}): {avg:F1}";
return query.ToList();
| }
static void Main()
{
var students = new List<Student> { new(1, "Alice", 1), new(2, "Bob", 1), new(3, "Carol", 2) };
var depts = new List<Dept> { new(1, "CS"), new(2, "Math") };
var grades = new List<Grade>
{
new(1, "Algo", 90), new(1, "DB", 85),
new... | var s2 = new List<Student> { new(1, "Zara", 1), new(2, "Amy", 1) };
var d2 = new List<Dept> { new(1, "Bio") };
var g2 = new List<Grade> { new(1, "X", 80), new(2, "Y", 80) };
var r2 = TopStudents(s2, d2, g2);
if (!(r2.Count == 2)) throw new Exception();
if (!(r2[0] == "Amy (Bio): 80.0")) throw new Exception("orderby nam... | syntax_completion |
7 | devbench-syntax-completion | c_sharp | using System;
class Program
{
abstract record Expr;
record Num(double Val) : Expr;
record BinOp(string Op, Expr Left, Expr Right) : Expr;
record UnaryOp(string Op, Expr Inner) : Expr;
static double Eval(Expr e) => e switch
{
Num(var v) => v,
BinOp("+", var l, var r) => Eval(l) ... | BinOp("/", var l, var r) when Eval(r) != 0 => Eval(l) / Eval(r),
BinOp("/", _, _) => double.NaN,
BinOp("**", var l, var r) => Math.Pow(Eval(l), Eval(r)),
UnaryOp("-", var inner) => -Eval(inner),
UnaryOp("abs", var inner) => Math.Abs(Eval(inner)),
_ => throw new ArgumentEx... | };
static void Main()
{
var expr = new BinOp("+", new Num(3), new BinOp("*", new Num(2), new Num(4)));
if (!(Math.Abs(Eval(expr) - 11.0) < 0.001)) throw new Exception();
if (!(double.IsNaN(Eval(new BinOp("/", new Num(1), new Num(0)))))) throw new Exception();
if (!(Math.Abs(... | if (!(Math.Abs(Eval(new BinOp("**", new Num(2), new Num(10))) - 1024) < 0.001)) throw new Exception();
if (!(Math.Abs(Eval(new UnaryOp("abs", new Num(-7))) - 7) < 0.001)) throw new Exception();
if (!(Math.Abs(Eval(new BinOp("/", new Num(10), new Num(3))) - 3.3333) < 0.01)) throw new Exception();
var nested = new UnaryO... | syntax_completion |
8 | devbench-syntax-completion | c_sharp | using System;
using System.Threading.Tasks;
using System.Collections.Generic;
using System.Linq;
class Program
{
static async Task<int> ComputeAsync(int x)
{
await Task.Delay(1);
return x * x;
}
static async Task<List<int>> BatchCompute(int[] inputs)
{
var tasks = inputs.Se... | var results = await Task.WhenAll(tasks);
return results.OrderByDescending(x => x).ToList();
| }
static async Task Main()
{
var result = await BatchCompute(new[] { 3, 1, 4, 1, 5 });
if (!(result[0] == 25)) throw new Exception($"Expected 25, got {result[0]}");
if (!(result[1] == 16)) throw new Exception();
if (!(result.Count == 5)) throw new Exception();
}
}
| var r2 = await BatchCompute(new[] { 0, 2 });
if (!(r2[0] == 4)) throw new Exception();
if (!(r2[1] == 0)) throw new Exception();
var r3 = await BatchCompute(new int[] { });
if (!(r3.Count == 0)) throw new Exception();
var r4 = await BatchCompute(new[] { 10 });
if (!(r4[0] == 100)) throw new Exception();
| syntax_completion |
9 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
abstract record Animal(string Name, int Age);
record Dog(string Name, int Age, string Breed) : Animal(Name, Age);
record Cat(string Name, int Age, bool Indoor) : Animal(Name, Age);
record Bird(string Name, int Age, doubl... | Dog(var n, _, var breed) => $"{n}: {breed}",
Cat(var n, _, true) => $"{n}: indoor cat",
Cat(var n, var age, false) when age < 2 => $"{n}: outdoor kitten",
Cat(var n, _, _) => $"{n}: outdoor cat",
Bird(var n, _, var ws) when ws > 1.5 => $"{n}: large bird",
Bird(var n, _, _... | };
static void Main()
{
if (!(Describe(new Dog("Rex", 12, "Lab")) == "Rex: senior Lab")) throw new Exception();
if (!(Describe(new Dog("Max", 3, "Pug")) == "Max: Pug")) throw new Exception();
if (!(Describe(new Cat("Mia", 5, true)) == "Mia: indoor cat")) throw new Exception();
... | if (!(Describe(new Dog("A", 10, "X")) == "A: X")) throw new Exception("10 is not > 10");
if (!(Describe(new Dog("B", 11, "Y")) == "B: senior Y")) throw new Exception();
if (!(Describe(new Cat("C", 2, false)) == "C: outdoor cat")) throw new Exception("2 is not < 2");
if (!(Describe(new Bird("D", 1, 1.5)) == "D: small bi... | syntax_completion |
10 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
class PriorityBag<TKey, TVal>
where TKey : IComparable<TKey>
where TVal : class, new()
{
private readonly SortedDictionary<TKey, List<TVal>> _data = new();
public void Add(TKey key, TVal val)
... | if (!_data.ContainsKey(key))
_data[key] = new List<TVal>();
_data[key].Add(val);
}
public TVal? PopHighest()
{
if (_data.Count == 0) return null;
var last = _data.Last();
var val = last.Value[^1];
last.Value... | }
public int Count => _data.Values.Sum(v => v.Count);
}
class Item
{
public string Tag { get; set; } = "";
public override string ToString() => Tag;
}
static void Main()
{
var bag = new PriorityBag<int, Item>();
bag.Add(1, new Item { Tag = "low"... | if (!(bag.PopHighest()!.Tag == "low")) throw new Exception();
if (!(bag.PopHighest() == null)) throw new Exception();
if (!(bag.Count == 0)) throw new Exception();
bag.Add(5, new Item { Tag = "x" });
if (!(bag.Count == 1)) throw new Exception();
if (!(bag.PopHighest()!.Tag == "x")) throw new Exception();
| syntax_completion |
11 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
using System.Collections.Generic;
class Program
{
record Order(int Id, int CustomerId, double Total);
record Customer(int Id, string Name);
static List<(string Name, double Sum, int Count)> SummaryByCustomer(
List<Customer> customers, List<Order> orders)
{
... | (c, ords) => new { c.Name, Sum = ords.Sum(o => o.Total), Count = ords.Count() })
.Where(x => x.Count > 0)
.OrderBy(x => x.Name)
.Select(x => (x.Name, x.Sum, x.Count))
.ToList();
| }
static void Main()
{
var customers = new List<Customer> { new(1, "Alice"), new(2, "Bob"), new(3, "Carol") };
var orders = new List<Order>
{
new(1, 1, 50), new(2, 1, 30), new(3, 2, 100),
};
var result = SummaryByCustomer(customers, orders);
if (!... | var cs = new List<Customer> { new(1, "Zoe") };
var os = new List<Order>();
var r = SummaryByCustomer(cs, os);
if (!(r.Count == 0)) throw new Exception("no orders means filtered out");
var cs2 = new List<Customer> { new(1, "A"), new(2, "B") };
var os2 = new List<Order> { new(1, 1, 10), new(2, 2, 20), new(3, 2, 30) };
va... | syntax_completion |
12 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
record Address(string City, string Country);
record Person(string Name, int Age, Address? Addr);
static List<string> FindAdults(List<Person> people, string country)
{
var result = new List<string>();
for... | if (p is { Age: >= 18, Addr: { Country: var c } } && c == country)
{
result.Add(p.Name);
}
| }
return result.OrderBy(x => x).ToList();
}
static void Main()
{
var people = new List<Person>
{
new("Alice", 25, new("NYC", "US")),
new("Bob", 17, new("LA", "US")),
new("Carol", 30, new("London", "UK")),
new("Dave", 20, null),... | var p2 = new List<Person> { new("X", 18, new("A", "DE")), new("Y", 18, null) };
var de = FindAdults(p2, "DE");
if (!(de.Count == 1 && de[0] == "X")) throw new Exception();
var none = FindAdults(p2, "US");
if (!(none.Count == 0)) throw new Exception();
| syntax_completion |
13 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
class Program
{
class TrackedResource : IDisposable
{
static List<string> _log = new();
public static List<string> Log => _log;
public static void Reset() => _log = new();
string _name;
public TrackedResource(string name) {... | inner.Use();
if (failInner) throw new InvalidOperationException("inner-fail");
}
catch (InvalidOperationException ex)
{
TrackedResource.Log.Add($"caught:{ex.Message}");
}
finally
{
Tra... | }
catch (ArgumentException ex)
{
TrackedResource.Log.Add($"caught:{ex.Message}");
}
finally
{
TrackedResource.Log.Add("outer-finally");
}
return string.Join("|", TrackedResource.Log);
}
static void Main()
{
var ... | var r3 = Process(false, true);
if (!(r3 == "open:outer|use:outer|open:inner|use:inner|close:inner|inner-finally|close:outer|caught:outer-fail|outer-finally"))
throw new Exception(r3);
var r4 = Process(true, true);
if (!(r4 == "open:outer|use:outer|open:inner|use:inner|close:inner|caught:inner-fail|inner-finally|clo... | syntax_completion |
14 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
class Program
{
static Func<int, int> MakeAccumulator(int initial)
{
int state = initial;
| int Accumulate(int x)
{
state += x;
return state;
}
return Accumulate;
| }
static void Main()
{
var acc = MakeAccumulator(10);
if (!(acc(5) == 15)) throw new Exception();
if (!(acc(3) == 18)) throw new Exception();
if (!(acc(-8) == 10)) throw new Exception();
var acc2 = MakeAccumulator(0);
if (!(acc2(1) == 1)) throw new Exception... | var acc3 = MakeAccumulator(100);
if (!(acc3(0) == 100)) throw new Exception();
if (!(acc3(-100) == 0)) throw new Exception();
if (!(acc3(1) == 1)) throw new Exception();
var a = MakeAccumulator(0);
var b = MakeAccumulator(0);
a(10);
b(20);
if (!(a(0) == 10)) throw new Exception("separate state");
if (!(b(0) == 20)) thr... | syntax_completion |
15 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static (int Min, int Max, double Avg) Stats(IEnumerable<int> nums)
{
var list = nums.ToList();
if (list.Count == 0) return (0, 0, 0);
| int min = list[0], max = list[0];
long sum = 0;
foreach (var n in list)
{
if (n < min) min = n;
if (n > max) max = n;
sum += n;
}
return (min, max, (double)sum / list.Count);
| }
static void Main()
{
var (lo, hi, avg) = Stats(new[] { 3, 1, 4, 1, 5, 9 });
if (!(lo == 1)) throw new Exception();
if (!(hi == 9)) throw new Exception();
if (!(Math.Abs(avg - 3.833) < 0.01)) throw new Exception();
var (a, b, c) = Stats(new int[] { });
if (!... | var (lo2, hi2, avg2) = Stats(new[] { 42 });
if (!(lo2 == 42 && hi2 == 42 && Math.Abs(avg2 - 42) < 0.01)) throw new Exception();
var (lo3, hi3, avg3) = Stats(new[] { -5, -1, -10 });
if (!(lo3 == -10 && hi3 == -1)) throw new Exception();
if (!(Math.Abs(avg3 - (-16.0/3)) < 0.01)) throw new Exception();
| syntax_completion |
16 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
using System.Collections.Generic;
class Program
{
record Team(string Name, List<int> Scores);
static List<(string Team, int Game, int Score)> TopScores(List<Team> teams, int threshold)
{
return teams
.SelectMany(t => t.Scores.Select((s, idx) => (Team: t... | .Where(x => x.Score >= threshold)
.OrderByDescending(x => x.Score)
.ThenBy(x => x.Team)
.ThenBy(x => x.Game)
.ToList();
| }
static void Main()
{
var teams = new List<Team>
{
new("Alpha", new() { 80, 95, 70 }),
new("Beta", new() { 90, 60, 85 }),
};
var top = TopScores(teams, 85);
if (!(top.Count == 3)) throw new Exception($"count={top.Count}");
if (!(top[0... | var empty = TopScores(new List<Team>(), 0);
if (!(empty.Count == 0)) throw new Exception();
var t2 = new List<Team> { new("X", new() { 50, 50 }) };
if (!(TopScores(t2, 51).Count == 0)) throw new Exception();
if (!(TopScores(t2, 50).Count == 2)) throw new Exception();
var t3 = new List<Team> { new("A", new() { 100 }), n... | syntax_completion |
17 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static IEnumerable<(int Start, int End, int Sum)> ConsecutiveRuns(int[] arr, int minLen)
{
int start = 0;
while (start < arr.Length)
{
int end = start + 1;
while (end < arr.Length ... | if (len >= minLen)
{
int sum = 0;
for (int i = start; i < end; i++) sum += arr[i];
yield return (arr[start], arr[end - 1], sum);
}
start = end;
| }
}
static void Main()
{
var runs = ConsecutiveRuns(new[] { 1, 2, 3, 7, 8, 10, 11, 12, 13 }, 3).ToList();
if (!(runs.Count == 2)) throw new Exception($"count={runs.Count}");
if (!(runs[0] == (1, 3, 6))) throw new Exception(runs[0].ToString());
if (!(runs[1] == (10, 1... | var r2 = ConsecutiveRuns(new[] { 5 }, 1).ToList();
if (!(r2.Count == 1 && r2[0] == (5, 5, 5))) throw new Exception();
var r3 = ConsecutiveRuns(new[] { 1, 3, 5 }, 2).ToList();
if (!(r3.Count == 0)) throw new Exception("no consecutive runs of len 2");
var r4 = ConsecutiveRuns(new int[] { }, 1).ToList();
if (!(r4.Count ==... | syntax_completion |
18 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static Func<T, TResult> Compose<T, TMid, TResult>(Func<T, TMid> f, Func<TMid, TResult> g)
=> x => g(f(x));
static Func<IEnumerable<T>, IEnumerable<T>> BuildPipeline<T>(
params Func<IEnumerable<T>, IEnumerable<T>... | Func<IEnumerable<T>, IEnumerable<T>> pipeline = x => x;
foreach (var stage in stages)
pipeline = Compose(pipeline, stage);
return pipeline;
| }
static void Main()
{
var pipe = BuildPipeline<int>(
xs => xs.Where(x => x > 0),
xs => xs.Select(x => x * 2),
xs => xs.OrderBy(x => x)
);
var result = pipe(new[] { -1, 3, 1, -2, 4, 2 }).ToList();
if (!(result.Count == 4)) throw new Except... | var identity = BuildPipeline<int>();
var r = identity(new[] { 3, 1, 2 }).ToList();
if (!(r.Count == 3 && r[0] == 3)) throw new Exception("identity preserves order");
var pipe2 = BuildPipeline<string>(
xs => xs.Where(x => x.Length > 1),
xs => xs.Select(x => x.ToUpper())
);
var r2 = pipe2(new[] { "a", "bb", "ccc"... | syntax_completion |
19 | devbench-syntax-completion | c_sharp | using System;
class Program
{
static string Grade(int score) => score switch
{
| >= 90 and <= 100 => "A",
>= 80 and < 90 => "B",
>= 70 and < 80 => "C",
>= 60 and < 70 => "D",
>= 0 and < 60 => "F",
_ => throw new ArgumentOutOfRangeException()
| };
static void Main()
{
if (!(Grade(95) == "A")) throw new Exception();
if (!(Grade(85) == "B")) throw new Exception();
if (!(Grade(75) == "C")) throw new Exception();
if (!(Grade(65) == "D")) throw new Exception();
if (!(Grade(50) == "F")) throw new Exception();
... | if (!(Grade(90) == "A")) throw new Exception();
if (!(Grade(89) == "B")) throw new Exception();
if (!(Grade(80) == "B")) throw new Exception();
if (!(Grade(79) == "C")) throw new Exception();
if (!(Grade(70) == "C")) throw new Exception();
if (!(Grade(69) == "D")) throw new Exception();
if (!(Grade(60) == "D")) throw n... | syntax_completion |
20 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
using System.Collections.Generic;
class Program
{
static (int Words, int Chars, string Longest) TextStats(string[] lines)
{
return lines.Aggregate(
(Words: 0, Chars: 0, Longest: ""),
| (acc, line) =>
{
var words = line.Split(' ', StringSplitOptions.RemoveEmptyEntries);
var longest = words.Length > 0
? words.OrderByDescending(w => w.Length).First()
: acc.Longest;
return (
... | );
}
static void Main()
{
var result = TextStats(new[] { "hello world", "this is a test", "extraordinary" });
if (!(result.Words == 7)) throw new Exception($"words={result.Words}");
if (!(result.Chars == 38)) throw new Exception($"chars={result.Chars}");
if (!(result... | var r2 = TextStats(new[] { "a bb ccc" });
if (!(r2.Words == 3 && r2.Longest == "ccc")) throw new Exception();
var r3 = TextStats(new string[] { });
if (!(r3.Words == 0 && r3.Chars == 0 && r3.Longest == "")) throw new Exception();
var r4 = TextStats(new[] { "", "" });
if (!(r4.Words == 0 && r4.Chars == 0)) throw new Exc... | syntax_completion |
21 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
class Program
{
static string Describe(int[] arr) => arr switch
{
[] => "empty",
[var x] => $"single:{x}",
[var a, var b] when a > b => $"desc-pair:{a},{b}",
[var a, var b] => $"pair:{a},{b}",
| [var first, .. var middle, var last] when first == last => $"bookend:{first},mid={middle.Length}",
[>= 0, .., >= 0] => $"non-neg:{arr.Length}",
[var h, ..] when h < 0 => $"neg-start:{h}",
_ => $"other:{arr.Length}"
| };
static void Main()
{
if (!(Describe(Array.Empty<int>()) == "empty")) throw new Exception();
if (!(Describe(new[] { 42 }) == "single:42")) throw new Exception();
if (!(Describe(new[] { 5, 3 }) == "desc-pair:5,3")) throw new Exception();
if (!(Describe(new[] { 3, 5 }) == "p... | if (!(Describe(new[] { 0, 99, 0 }) == "bookend:0,mid=1")) throw new Exception();
if (!(Describe(new[] { 5, 5 }) == "pair:5,5")) throw new Exception("pair not desc, not bookend for len 2 with same");
if (!(Describe(new[] { 3, 0, 0, 3 }) == "bookend:3,mid=2")) throw new Exception();
if (!(Describe(new[] { 0, 1, 2, 3, 4 }... | syntax_completion |
22 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Threading.Tasks;
class Program
{
static async IAsyncEnumerable<int> RangeAsync(int start, int count)
{
| for (int i = 0; i < count; i++)
{
await Task.Delay(1);
yield return start + i;
}
| }
static async Task Main()
{
var items = new List<int>();
await foreach (var item in RangeAsync(5, 4))
{
items.Add(item);
}
if (!(items.Count == 4)) throw new Exception($"count={items.Count}");
if (!(items[0] == 5 && items[1] == 6 && items[2] == 7... | var empty = new List<int>();
await foreach (var x in RangeAsync(0, 0))
empty.Add(x);
if (!(empty.Count == 0)) throw new Exception();
var one = new List<int>();
await foreach (var x in RangeAsync(100, 1))
one.Add(x);
if (!(one.Count == 1 && one[0] == 100)) throw new Exception();
| syntax_completion |
23 | devbench-syntax-completion | c_sharp | using System;
class Program
{
record HttpResponse(int StatusCode, string? Body, string ContentType);
static string Categorize(HttpResponse r) => r switch
{
{ StatusCode: 200 or 201, Body: not null, ContentType: "application/json" }
=> $"json-ok:{r.Body.Length}",
{ StatusCode: 2... | { StatusCode: >= 300 and < 400 }
=> $"redirect:{r.StatusCode}",
{ StatusCode: >= 400 and < 500 }
=> $"client-error:{r.StatusCode}",
{ StatusCode: >= 500 }
=> $"server-error:{r.StatusCode}",
{ StatusCode: 204 }
=> "no-content",
_ => ... | };
static void Main()
{
if (!(Categorize(new(200, "{}", "application/json")) == "json-ok:2")) throw new Exception();
if (!(Categorize(new(201, "hi", "text/plain")) == "ok:text/plain")) throw new Exception();
if (!(Categorize(new(200, null, "")) == "empty-ok")) throw new Exception();... | if (!(Categorize(new(302, "moved", "text/html")) == "redirect:302")) throw new Exception();
if (!(Categorize(new(399, null, "")) == "redirect:399")) throw new Exception();
if (!(Categorize(new(400, null, "")) == "client-error:400")) throw new Exception();
if (!(Categorize(new(499, null, "")) == "client-error:499")) thr... | syntax_completion |
24 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
static class Extensions
{
public static IEnumerable<IGrouping<TKey, T>> ChunkBy<T, TKey>(
this IEnumerable<T> source, Func<T, TKey> keySelector)
where TKey : notnull
{
using var enumerator = source.GetEnumerator();
... | var group = new List<T> { enumerator.Current };
while (enumerator.MoveNext())
{
var key = keySelector(enumerator.Current);
if (EqualityComparer<TKey>.Default.Equals(key, currentKey))
{
group.Add(enumerator.Current);
}
el... | }
}
class Grouping<TKey, T> : IGrouping<TKey, T>
{
private readonly List<T> _items;
public TKey Key { get; }
public Grouping(TKey key, List<T> items) { Key = key; _items = items; }
public IEnumerator<T> GetEnumerator() => _items.GetEnumerator();
System.Collections.IEnumerator System.Collections... | var empty = Array.Empty<int>().ChunkBy(x => x).ToList();
if (!(empty.Count == 0)) throw new Exception();
var single = new[] { 5 }.ChunkBy(x => x).ToList();
if (!(single.Count == 1 && single[0].Key == 5)) throw new Exception();
var strs = new[] { "aa", "ab", "ba", "bb" }.ChunkBy(x => x[0]).ToList();
if (!(strs.Count == ... | syntax_completion |
25 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
record Config(Dictionary<string, Dictionary<string, string>>? Sections);
static string GetValue(Config? config, string section, string key, string fallback)
{
| return config?.Sections?.GetValueOrDefault(section)?.GetValueOrDefault(key) ?? fallback;
| }
static void Main()
{
var cfg = new Config(new() { ["db"] = new() { ["host"] = "localhost", ["port"] = "5432" } });
if (!(GetValue(cfg, "db", "host", "none") == "localhost")) throw new Exception();
if (!(GetValue(cfg, "db", "timeout", "30") == "30")) throw new Exception();
... | var cfg2 = new Config(new() { ["a"] = new() { ["b"] = "" } });
if (!(GetValue(cfg2, "a", "b", "x") == "")) throw new Exception("empty string is not null");
if (!(GetValue(cfg2, "a", "c", "y") == "y")) throw new Exception();
if (!(GetValue(cfg2, "z", "b", "y") == "y")) throw new Exception();
| syntax_completion |
26 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Probe : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Probe(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{Nam... | try
{
using (var middle = new Probe("middle", log))
{
log.Add("body:middle");
using var inner = new Probe("inner", log);
log.Add("body:inner");
if (fail) throw new InvalidOperationExce... | log.Add("after:try");
}
return log;
}
static void Main()
{
var normal = Trace(false);
if (!normal.Contains("body:cleanup")) throw new Exception("normal cleanup missing");
if (!normal.Contains("after:try")) throw new Exception("normal after missing");
... | var normalOrder = string.Join("|", Trace(false));
if (normalOrder != "open:outer|body:outer|open:middle|body:middle|open:inner|body:inner|close:inner|close:middle|open:cleanup|body:cleanup|close:cleanup|after:try|close:outer") throw new Exception("normal order: " + normalOrder);
var failedOrder = string.Join("|", Trace... | syntax_completion |
27 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Token : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Token(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{Nam... | {
using var branch = new Token(shortPath ? "short" : "long", log);
log.Add($"branch:{branch.Name}");
if (shortPath)
{
using var leaf = new Token("leaf", log);
log.Add("short-body");
}
else
{
... | log.Add("end");
return log;
}
static void Main()
{
var shortLog = Plan(true, false);
if (!shortLog.Contains("branch:short")) throw new Exception("short branch missing");
if (!shortLog.Contains("short-body")) throw new Exception("short body missing");
if (!sho... | var shortOrder = string.Join("|", Plan(true, false));
if (!(shortOrder == "open:root|start|open:short|branch:short|open:leaf|short-body|close:leaf|close:short|end|close:root")) throw new Exception("short order: " + shortOrder);
var longOrder = string.Join("|", Plan(false, false));
if (!(longOrder == "open:root|start|op... | syntax_completion |
28 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
class AsyncProbe : IAsyncDisposable
{
private readonly List<string> _log;
public string Name { get; }
public AsyncProbe(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
... | try
{
await using (var middle = new AsyncProbe("middle", log))
{
log.Add("body:middle");
await using var inner = new AsyncProbe("inner", log);
log.Add("body:inner");
if (fail) throw ne... | log.Add("after:try");
}
return log;
}
static void Main()
{
var normal = TraceAsync(false).GetAwaiter().GetResult();
if (!normal.Contains("body:middle")) throw new Exception("normal middle missing");
if (!normal.Contains("closed:cleanup")) throw new Except... | var normalOrder = string.Join("|", TraceAsync(false).GetAwaiter().GetResult());
if (!(normalOrder == "open:outer|body:outer|open:middle|body:middle|open:inner|body:inner|closing:inner|closed:inner|closing:middle|closed:middle|open:cleanup|body:cleanup|closing:cleanup|closed:cleanup|after:try|closing:outer|closed:outer"... | syntax_completion |
29 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Marker : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Marker(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{N... | yield return "first";
if (includeSecond)
{
using (var inner = new Marker("inner", log))
{
log.Add("inner-ready");
yield return "second";
}
}
yield return "last";
| log.Add("done");
}
static void Main()
{
var fullLog = new List<string>();
var full = Walk(true, fullLog).ToList();
if (!full.SequenceEqual(new[] { "first", "second", "last" })) throw new Exception("full sequence");
if (!fullLog.Contains("close:inner")) throw new Exce... | var fullLog2 = new List<string>();
var full2 = Walk(true, fullLog2).ToList();
var fullOrder = string.Join("|", fullLog2);
if (!(fullOrder == "open:outer|ready|open:inner|inner-ready|close:inner|done|close:outer")) throw new Exception("full order: " + fullOrder);
var noSecondLog2 = new List<string>();
var noSecond2 = Wa... | syntax_completion |
30 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static IEnumerable<string> BuildPipeline(IEnumerable<int> source, List<string> log)
{
int seen = 0;
| var query = source
.Select(x =>
{
log.Add($"select:{x}:{seen}");
seen++;
return (Value: x, Seen: seen);
})
.Where(p =>
{
log.Add($"where:{p.Value}:{p.Seen}");
return p.Valu... | }
static void Main()
{
var log = new List<string>();
var query = BuildPipeline(new[] { 1, 2, 3 }, log);
if (!log.SequenceEqual(new[] { "built" })) throw new Exception("query should be deferred");
var first = query.Take(1).ToList();
if (!first.SequenceEqual(new[] { "1... | var log2 = new List<string>();
var nums = new List<int> { 1, 2, 3 };
var query2 = BuildPipeline(nums, log2);
nums.Add(5);
if (!(log2.SequenceEqual(new[] { "built" }))) throw new Exception("deferred build log: " + string.Join("|", log2));
var all = query2.ToList();
if (!(all.SequenceEqual(new[] { "1:1", "3:3", "5:4" }))... | syntax_completion |
31 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Probe : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Probe(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{Nam... | {
using var zero = new Probe("zero", log);
log.Add("case:0");
break;
}
case 1:
{
using var one = new Probe("one", log);
using var tail = new Probe("one-tail", l... | case 2:
log.Add("case:2");
break;
default:
log.Add("case:default");
break;
}
log.Add("after:switch");
return log;
}
static void Main()
{
var zero = Route(0);
if (!zero.Contains("c... | var zeroOrder = string.Join("|", Route(0));
if (!(zeroOrder == "open:root|start|open:zero|case:0|close:zero|after:switch|close:root")) throw new Exception("zero order: " + zeroOrder);
var oneOrder = string.Join("|", Route(1));
if (!(oneOrder == "open:root|start|open:one|open:one-tail|case:1|close:one-tail|close:one|aft... | syntax_completion |
32 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Probe : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Probe(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{Nam... | using var item = new Probe($"item:{value}", log);
if (value < 0)
{
log.Add($"skip:{value}");
continue;
}
log.Add($"visit:{value}");
if (value == stopAt)
{
log.Add($"stop:{value}");
... | }
log.Add("after:loop");
return log;
}
static void Main()
{
var log = Sweep(new[] { 1, -2, 3, 4 }, 3);
if (!log.Contains("visit:1")) throw new Exception("visit 1 missing");
if (!log.Contains("skip:-2")) throw new Exception("skip missing");
if (!log.Co... | var order = string.Join("|", Sweep(new[] { 1, -2, 3, 4 }, 3));
if (!(order == "open:outer|open:item:1|visit:1|open:tail:1|tail:1|close:tail:1|close:item:1|open:item:-2|skip:-2|close:item:-2|open:item:3|visit:3|stop:3|close:item:3|after:loop|close:outer")) throw new Exception("mixed order: " + order);
var noStop = strin... | syntax_completion |
33 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Probe : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Probe(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{Nam... | using var first = new Probe("first", log);
log.Add($"mode:{mode}");
if (mode == 1)
{
using var invalid = new Probe("invalid", log);
log.Add("throw:invalid");
throw new InvalidOperationException("one");
}
... | }
catch (InvalidOperationException ex) when (ex.Message == "one")
{
log.Add("catch:invalid");
}
catch (Exception ex)
{
log.Add($"catch:{ex.GetType().Name}");
}
log.Add("after:catch");
return log;
}
static void Main(... | var okOrder = string.Join("|", Handle(0));
if (!(okOrder == "open:outer|try:start|open:first|mode:0|try:ok|close:first|after:catch|close:outer")) throw new Exception("ok order: " + okOrder);
var invalidOrder = string.Join("|", Handle(1));
if (!(invalidOrder == "open:outer|try:start|open:first|mode:1|open:invalid|throw:... | syntax_completion |
34 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main()
{
var words = new[] { "hello", "world", "foo", "bar", "baz" };
var result = words.Aggregate(
new { Count = 0, Longest = "", TotalLen = 0 },
(acc, word) => new
... | Longest = word.Length > acc.Longest.Length ? word : acc.Longest,
TotalLen = acc.TotalLen + word.Length |
},
acc => $"{acc.Count}:{acc.Longest}:{acc.TotalLen}");
if (!(result == "5:hello:19")) throw new Exception($"got: {result}");
}
}
| syntax_completion | |
35 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
class AsyncMarker : IAsyncDisposable
{
private readonly List<string> _log;
public string Name { get; }
public AsyncMarker(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
... | for (int i = 0; i < limit; i++)
{
await using var item = new AsyncMarker($"item:{i}", log);
log.Add($"yield:{i}");
await Task.Delay(1);
yield return i;
}
| log.Add("done");
}
static async Task<List<int>> TakeAsync(IAsyncEnumerable<int> source, int max)
{
var result = new List<int>();
await foreach (var item in source)
{
result.Add(item);
if (result.Count == max) break;
}
return result;
... | var fullLog2 = new List<string>();
var all2 = TakeAsync(Stream(fullLog2, 2), 10).GetAwaiter().GetResult();
var fullOrder = string.Join("|", fullLog2);
if (!(fullOrder == "open:outer|ready|open:item:0|yield:0|closing:item:0|closed:item:0|open:item:1|yield:1|closing:item:1|closed:item:1|done|closing:outer|closed:outer"))... | syntax_completion |
36 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Marker : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Marker(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{N... | foreach (var value in values)
{
using var item = new Marker($"item:{value}", log);
if (value < 0)
{
log.Add($"stop:{value}");
yield break;
}
log.Add($"yield:{value}");
yield return $"ok:{value}";
... | log.Add("scan:done");
}
static void Main()
{
var goodLog = new List<string>();
var good = Scan(new[] { 1, 2 }, goodLog).ToList();
if (!good.SequenceEqual(new[] { "ok:1", "ok:2" })) throw new Exception("good sequence");
if (!goodLog.Contains("scan:done")) throw new Ex... | var goodLog2 = new List<string>();
var good2 = Scan(new[] { 1, 2 }, goodLog2).ToList();
var goodOrder = string.Join("|", goodLog2);
if (!(goodOrder == "open:outer|scan:start|open:item:1|yield:1|close:item:1|open:item:2|yield:2|close:item:2|scan:done|close:outer")) throw new Exception("good order: " + goodOrder);
var st... | syntax_completion |
37 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Marker : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Marker(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispose() { _log.Add($"close:{N... | using var inner = new Marker("inner", log);
log.Add("before:first");
yield return 1;
if (failAfterFirst)
{
log.Add("throw:after-first");
throw new InvalidOperationException("after-first");
}
log.Add("befo... | }
finally
{
log.Add("finally:block");
}
}
static void Main()
{
var okLog = new List<string>();
var ok = Numbers(okLog, false).ToList();
if (!ok.SequenceEqual(new[] { 1, 2 })) throw new Exception("ok numbers");
if (!okLog.Contains("... | var okLog2 = new List<string>();
var ok2 = Numbers(okLog2, false).ToList();
var okOrder = string.Join("|", okLog2);
if (!(okOrder == "open:outer|open:inner|before:first|before:second|close:inner|finally:block|close:outer")) throw new Exception("ok order: " + okOrder);
var failLog2 = new List<string>();
try
{
Number... | syntax_completion |
38 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main()
{
var students = new[]
{
new { Name = "Alice", Grade = 90 },
new { Name = "Bob", Grade = 75 },
new { Name = "Carol", Grade = 88 },
new { Name = "... | s => s.Grade >= 90 ? "A" : s.Grade >= 80 ? "B" : s.Grade >= 70 ? "C" : "D" |
);
if (!(letterGrades["Alice"] == "A")) throw new Exception($"alice={letterGrades["Alice"]}");
if (!(letterGrades["Bob"] == "C")) throw new Exception($"bob={letterGrades["Bob"]}");
if (!(letterGrades["Carol"] == "B")) throw new Exception($"carol={letterGrades["Carol"]}");
if (!... | syntax_completion | |
39 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
class AsyncMarker : IAsyncDisposable
{
private readonly List<string> _log;
public string Name { get; }
public AsyncMarker(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
... | foreach (var value in values)
{
await using var item = new AsyncMarker($"item:{value}", log);
if (value < 0)
{
log.Add($"stop:{value}");
yield break;
}
log.Add($"yield:{value}");
await Task.Delay(1);
... | log.Add("scan:done");
}
static async Task<List<string>> CollectAsync(IAsyncEnumerable<string> source)
{
var result = new List<string>();
await foreach (var item in source)
result.Add(item);
return result;
}
static void Main()
{
var goodLog = ... | var goodLog2 = new List<string>();
var good2 = CollectAsync(ScanAsync(new[] { 1, 2 }, goodLog2)).GetAwaiter().GetResult();
var goodOrder = string.Join("|", goodLog2);
if (!(goodOrder == "open:outer|scan:start|open:item:1|yield:1|closing:item:1|closed:item:1|open:item:2|yield:2|closing:item:2|closed:item:2|scan:done|clo... | syntax_completion |
40 | devbench-syntax-completion | c_sharp | using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
class Marker : IDisposable
{
private readonly List<string> _log;
public string Name { get; }
public Marker(string name, List<string> log) { Name = name; _log = log; _log.Add($"open:{name}"); }
public void Dispo... | while (enumerator.MoveNext())
{
using var item = new Marker($"item:{enumerator.Current}", log);
log.Add($"yield:{enumerator.Current}");
yield return enumerator.Current;
}
| log.Add("done");
}
static void Main()
{
var fullLog = new List<string>();
var full = Replay(new[] { 4, 5 }, fullLog).ToList();
if (!full.SequenceEqual(new[] { 4, 5 })) throw new Exception("full sequence");
if (!fullLog.Contains("done")) throw new Exception("done miss... | var fullLog2 = new List<string>();
var full2 = Replay(new[] { 4, 5 }, fullLog2).ToList();
var fullOrder = string.Join("|", fullLog2);
if (!(fullOrder == "open:enumerator|created|open:item:4|yield:4|close:item:4|open:item:5|yield:5|close:item:5|done|close:enumerator")) throw new Exception("full order: " + fullOrder);
va... | syntax_completion |
41 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main()
{
var people = new[]
{
new { First = "John", Last = "Doe", Age = 30 },
new { First = "Jane", Last = "Smith", Age = 25 },
new { First = "Bob", Last = "Jones",... | $"{i + 1}. {p.Last}, {p.First} ({p.Age})" |
)
.ToList();
if (!(labels[0] == "1. Smith, Jane (25)")) throw new Exception($"l0={labels[0]}");
if (!(labels[1] == "2. Doe, John (30)")) throw new Exception($"l1={labels[1]}");
if (!(labels[2] == "3. Jones, Bob (35)")) throw new Exception($"l2={labels[2]}");
}
}
| syntax_completion | |
42 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
abstract record Shape;
record Circle(double Radius) : Shape;
record Rect(double W, double H) : Shape;
record Group(Shape[] Items) : Shape;
class Program
{
static double Area(Shape s) => s switch
{
Circle { Radius: var r } => Math.PI * r * r,
Rect { W: var w, H:... | Group { Items: var items } => items.Sum(i => Area(i)), |
_ => 0
};
static void Main()
{
var c = new Circle(1);
var r = new Rect(3, 4);
var sq = new Rect(5, 5);
var g = new Group(new Shape[] { c, r, sq });
if (!(Math.Abs(Area(c) - Math.PI) < 0.001)) throw new Exception($"circle={Area(c)}");
if (!(Math.Abs(... | syntax_completion | |
43 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Threading.Tasks;
class Program
{
static async Task<int> ComputeAsync(int x)
{
await Task.Delay(1);
if (x < 0) throw new ArgumentException("negative");
return x * x;
}
static async Task Main()
{
var results... | var val = await ComputeAsync(n);
results.Add($"ok:{val}"); |
}
catch (ArgumentException ex)
{
results.Add($"err:{ex.Message}");
}
}
if (!(results.Count == 3)) throw new Exception($"count={results.Count}");
if (!(results[0] == "ok:9")) throw new Exception($"r0={results[0]}");
if (!(r... | syntax_completion | |
44 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
class Config
{
public Dictionary<string, string>? Settings { get; set; }
}
class Program
{
static string GetSetting(Config? cfg, string key, string fallback)
{
| return cfg?.Settings?.TryGetValue(key, out var val) == true ? val : fallback; |
}
static void Main()
{
var cfg1 = new Config { Settings = new() { ["theme"] = "dark" } };
Config? cfg2 = null;
var cfg3 = new Config { Settings = null };
if (!(GetSetting(cfg1, "theme", "light") == "dark")) throw new Exception("t1");
if (!(GetSetting(cfg1, "missing... | syntax_completion | |
45 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
class Program
{
static string ClassifyPoint((int X, int Y) point) => point switch
{
(0, 0) => "origin",
(var x, 0) when x > 0 => "positive-x-axis",
(var x, 0) when x < 0 => "negative-x-axis",
(0, var y) when y > 0 => "positive-y-ax... | (0, var y) when y < 0 => "negative-y-axis", |
(var x, var y) when x > 0 && y > 0 => "Q1",
(var x, var y) when x < 0 && y > 0 => "Q2",
(var x, var y) when x < 0 && y < 0 => "Q3",
_ => "Q4"
};
static void Main()
{
if (!(ClassifyPoint((0, 0)) == "origin")) throw new Exception("t1");
if (!(ClassifyPoint((5,... | syntax_completion | |
46 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
var funcs = new List<Func<int, int>>();
for (int i = 0; i < 4; i++)
{
int captured = i;
funcs.Add(x =>
{
Func<int, int> inner = y =>
{... | return y * captured; |
};
return inner(x) + captured;
});
}
if (!(funcs[0](10) == 0)) throw new Exception($"f0={funcs[0](10)}");
if (!(funcs[1](10) == 11)) throw new Exception($"f1={funcs[1](10)}");
if (!(funcs[2](10) == 22)) throw new Exception($"f2={funcs[2](10)}... | syntax_completion | |
47 | devbench-syntax-completion | c_sharp | using System;
using System.Collections.Generic;
using System.Linq;
class Department
{
public string Name { get; set; } = "";
public List<string> Members { get; set; } = new();
}
class Program
{
static void Main()
{
var depts = new List<Department>
{
new() { Name = "Eng", Me... | new() { Name = "Sales", Members = { "Carol", "Dave" } },
new() { Name = "HR", Members = { "Eve" } } |
};
var allMembers = depts.SelectMany(d => d.Members).OrderBy(m => m).ToList();
if (!(allMembers.Count == 5)) throw new Exception($"count={allMembers.Count}");
if (!(allMembers[0] == "Alice")) throw new Exception($"m0={allMembers[0]}");
if (!(allMembers[1] == "Bob")) throw new E... | syntax_completion | |
48 | devbench-syntax-completion | c_sharp | using System;
interface ITransform<in TIn, out TOut>
{
TOut Apply(TIn input);
}
class DoubleToString : ITransform<double, string>
{
public string Apply(double input) => input.ToString("F1");
}
class IntToDouble : ITransform<int, double>
{
public double Apply(int input) => input * 2.5;
}
class Composed<A... | public C Apply(A input) => _second.Apply(_first.Apply(input)); |
}
class Program
{
static void Main()
{
var intToStr = new Composed<int, double, string>(new IntToDouble(), new DoubleToString());
if (!(intToStr.Apply(4) == "10.0")) throw new Exception($"4->{intToStr.Apply(4)}");
if (!(intToStr.Apply(3) == "7.5")) throw new Exception($"3->{intToStr.Ap... | syntax_completion | |
49 | devbench-syntax-completion | c_sharp | using System;
using System.Linq;
class Program
{
static void Main()
{
var xs = new[] { 1.0, 2.0, 3.0, 4.0, 5.0 };
var ys = new[] { 2.0, 4.0, 4.0, 4.0, 5.0 };
var stats = xs.Zip(ys, (x, y) => new { X = x, Y = y, Diff = y - x })
.Aggregate(
new { SumDiff = 0.0... | (acc, pair) => new
{
SumDiff = acc.SumDiff + pair.Diff,
SumSq = acc.SumSq + pair.Diff * pair.Diff,
Count = acc.Count + 1
} |
);
double meanDiff = stats.SumDiff / stats.Count;
double variance = stats.SumSq / stats.Count - meanDiff * meanDiff;
if (!(stats.Count == 5)) throw new Exception($"count={stats.Count}");
if (!(Math.Abs(meanDiff - 0.8) < 0.001)) throw new Exception($"mean={meanDiff}");
... | syntax_completion | |
50 | devbench-syntax-completion | c_sharp | using System;
class Program
{
static string Describe(int[] arr) => arr switch
{
[] => "empty",
[var x] => $"single:{x}",
[var f, .., var l] when f == l => $"bookend:{f}",
| [var a, var b] => $"pair:{a},{b}", |
_ => "other"
};
static void Main()
{
if (!(Describe(Array.Empty<int>()) == "empty")) throw new Exception("t1");
if (!(Describe(new[] { 42 }) == "single:42")) throw new Exception("t2");
if (!(Describe(new[] { 5, 9, 5 }) == "bookend:5")) throw new Exception("t3");
if ... | syntax_completion |
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