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c59fd93 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | #include "tests.h"
void test_json_parser(testing &t) {
// Test parsing a simple JSON object
t.test("simple JSON object parsing", [](testing &t) {
auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
std::string input = R"({"name": "test", "value": 42, "flag": true})";
common_peg_parse_context ctx(input);
auto result = json.parse(ctx);
t.assert_equal("result_is_success", true, result.success());
t.assert_equal("result_end", input.size(), result.end);
});
// Test parsing a JSON array with mixed types
t.test("JSON array with mixed types", [](testing &t) {
auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
std::string input = R"([1, "hello", true, null, 3.14])";
common_peg_parse_context ctx(input);
auto result = json.parse(ctx);
t.assert_equal("result_is_success", true, result.success());
t.assert_equal("result_end", input.size(), result.end);
});
// Test parsing nested JSON with objects and arrays
t.test("nested JSON with objects and arrays", [](testing &t) {
auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
std::string input =
R"({"users": [{"id": 1, "name": "Alice"}, {"id": 2, "name": "Bob"}], "count": 2, "metadata": {"version": "1.0", "tags": ["admin", "user"]}})";
common_peg_parse_context ctx(input);
auto result = json.parse(ctx);
t.assert_equal("result_is_success", true, result.success());
t.assert_equal("result_end", input.size(), result.end);
});
// Test need_more_input() parsing - incomplete object
t.test("need_more_input() parsing - incomplete object", [](testing &t) {
auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
std::string input = R"({"name": "test", "value": )";
common_peg_parse_context ctx(input, COMMON_PEG_PARSE_FLAG_LENIENT);
auto result = json.parse(ctx);
t.assert_equal("result_is_need_more_input", true, result.need_more_input());
});
// Test need_more_input() parsing - incomplete array
t.test("need_more_input() parsing - incomplete array", [](testing &t) {
auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
std::string input = R"([1, 2, 3, )";
common_peg_parse_context ctx(input, COMMON_PEG_PARSE_FLAG_LENIENT);
auto result = json.parse(ctx);
t.assert_equal("result_is_need_more_input", true, result.need_more_input());
});
// Test need_more_input() parsing - incomplete nested structure
t.test("need_more_input() parsing - incomplete nested structure", [](testing &t) {
auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
std::string input = R"({"data": {"nested": )";
common_peg_parse_context ctx(input, COMMON_PEG_PARSE_FLAG_LENIENT);
auto result = json.parse(ctx);
t.assert_equal("result_is_need_more_input", true, result.need_more_input());
});
// Test need_more_input() parsing - incomplete escape sequence in a string value
t.test("need_more_input() parsing - incomplete escape sequence", [](testing &t) {
auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
std::vector<std::string> inputs {
R"({"text": "hello\)", // dangling backslash
R"({"text": "hello\u)", // incomplete unicode escape sequence
R"({"text": "hello\u00)",
};
for (const auto & input : inputs) {
t.test(input, [&](testing &t) {
common_peg_parse_context ctx(input, COMMON_PEG_PARSE_FLAG_LENIENT);
auto result = json.parse(ctx);
t.assert_equal("result_is_need_more_input", true, result.need_more_input());
// the incomplete escape sequence is not part of the partial value
t.assert_equal("result_end", input.find('\\'), result.end);
});
}
});
t.test("object member", [](testing &t) {
auto parser = build_peg_parser([](common_peg_parser_builder & p) {
return p.json_member("name", "\"" + p.chars("[a-z]") + "\"");
});
t.test("success", [&](testing &t) {
std::string input = R"("name": "bob")";
common_peg_parse_context ctx(input);
auto result = parser.parse(ctx);
t.assert_true("success", result.success());
});
t.test("partial", [&](testing &t) {
std::string input = R"("name": "bo)";
common_peg_parse_context ctx(input, COMMON_PEG_PARSE_FLAG_LENIENT);
auto result = parser.parse(ctx);
t.assert_true("need more input", result.need_more_input());
});
t.test("failed", [&](testing &t) {
std::string input = R"([])";
common_peg_parse_context ctx(input);
auto result = parser.parse(ctx);
t.assert_true("fail", result.fail());
});
});
}
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