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class LetInClass { get z() { let let_z = 10; return let_z; } set z(v) { let let_zv = v; } distance() { let dist = this.y - this.x; return dist; } } // ----------------------------------------------------------------------------
JavaScript
// Should not compile. // Options: --blockBinding=false { let x = 42; }
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var x = 1; { let x; assertEquals(undefined, x); x = 2; assertEquals(2, x); } assertEquals(1, x);
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// Should not compile. for (let i = 0 in {}) { }
JavaScript
let result = []; for (let a = 1; a < 3; a++) { result.push( function() { return 'for ' + a; } ); } // ---------------------------------------------------------------------------- assertEquals('for 1', result[0]()); assertEquals('for 2', result[1]()); assertEquals(2, result.length);
JavaScript
for (var x = 0; x < 10; x ++) { let y = 'let y'; if (x % 2 == 0) { break; } } // ----------------------------------------------------------------------------
JavaScript
// Should not compile. const x = 1, y; // Missing initializer!
JavaScript
var a = 'var a'; { var b = 'var b'; { var c = 'var c'; let d = 'let d'; } } // ----------------------------------------------------------------------------
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var a = 'var a'; { var b = 'var b'; { let c = 'let c'; { const d = 'const d'; } } } // ----------------------------------------------------------------------------
JavaScript
// Should not compile. // Error: functionExpression is not defined { (function functionExpression() { return 'inner'; }); functionExpression; // function expression doesn't add name to the scope. }
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function f() { return 'outer'; } { var f = function f() { return 'inner'; }; assertEquals('inner', f()); } assertEquals('inner', f());
JavaScript
let sum = 0; let a = [1,2,3]; for (let x in a) { sum = sum + a[x]; } // ----------------------------------------------------------------------------
JavaScript
function f() { return 'outer'; } { function f() { return 'inner'; } assertEquals('inner', f()); } assertEquals('outer', f());
JavaScript
let x = 'let'; var y = 'var'; // ---------------------------------------------------------------------------- assertEquals('let', x); assertEquals('var', y);
JavaScript
var f1, f2; { let z = 'z1 value'; f1 = function() { return z; }; } { let z = 'z2 value'; f2 = function() { return z; }; } // ---------------------------------------------------------------------------- assertEquals('z1 value', f1()); assertEquals('z2 value', f2());
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let x2; assertEquals(undefined, x2); x2 = 2; assertEquals(2, x2);
JavaScript
// Should not compile. function* gen() { yield 1; } for (let i = 0 of gen()) { }
JavaScript
function blockTest() { { let x = 'let x value'; function g() { return x; } return g; } } // ---------------------------------------------------------------------------- assertEquals('let x value', blockTest()());
JavaScript
let result = []; for (let i = 1; i < 3; i ++) { for (let j = 9; j > 7; j --) { result.push( function() { return i + ':' + j; } ); } } // ---------------------------------------------------------------------------- assertEquals('1:9', result[0]()); assertEquals('1:8', result[1]()); assertEquals('2:9...
JavaScript
outer: for (var x = 0; x < 10; x ++) { for (var y = 0; y < 10; y ++) { let z = 'let z'; if (x == 7) { continue outer; } } } // ----------------------------------------------------------------------------
JavaScript
for (var x = 0; x < 10; x++) { let let_y = 'let y'; for (var for_z = 0; for_z < 2; for_z ++) { break; } } // ----------------------------------------------------------------------------
JavaScript
if (true) { let [a,b] = [1,2]; const [c,d] = [4,5]; } if (true) { let {x: [{e}, f], g} = {x: [{e:4}, 5], g: 6}; const a = 0, [b, {c, x: [d]}] = [1, {c: 2, x: [3]}]; } // ----------------------------------------------------------------------------
JavaScript
var x = 'var'; { let y = 'let 1'; } { let y = 'let 2'; } // ----------------------------------------------------------------------------
JavaScript
// Should not compile. var i = 0; for (const x; i < 3; i++) { }
JavaScript
let result = []; let obj = {a : 'hello a', b : 'hello b', c : 'hello c' }; for (let x in obj) { result.push( function() { return obj[x]; } ); } // ---------------------------------------------------------------------------- assertEquals('hello a', result[0]()); assertEquals('hello b', result[1]()); assertEqua...
JavaScript
for (var x = 0; x < 10; x ++) { for (var y = 0; y < 10; y ++) { let z = 'let z'; if (x == 7) { break; } } } // ----------------------------------------------------------------------------
JavaScript
var result; { let let_result = []; let let_array = ['one', 'two', 'three']; for (var index = 1 in let_array) { let let_index = index; let let_value = let_array[let_index]; let_result.push( function() { return [let_index, let_value]; }); } result = let_result; } // ------...
JavaScript
for (let x = 1; x < 10; x ++) { console.log(x); } // ----------------------------------------------------------------------------
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for (let x = 1, y = x + 1; x < 10 && y != 0; x ++, y *= 2) { if (y > 300) { continue; } } // ----------------------------------------------------------------------------
JavaScript
for (var x = 0; x < 10; x ++) { let y = 'let y'; if (x % 2 == 0) { continue; } } // ----------------------------------------------------------------------------
JavaScript
// Should not compile. // Error: let/const in for-in statement may not have initializer for (const i = 0 in {}) { }
JavaScript
let x = 'let'; const y = 'const'; // ---------------------------------------------------------------------------- assertEquals('let', x); assertEquals('const', y);
JavaScript
function nestedFunction3() { let let_x = 'let x'; function function_foo() { } } // ----------------------------------------------------------------------------
JavaScript
// Should not compile. function* gen() { yield 1; } for (var i = 0 of gen()) { }
JavaScript
var var_a; { var var_b; { let let_c = 'let c'; { var var_d; } } } // ----------------------------------------------------------------------------
JavaScript
function nestedFunction1() { return function() { let let_x = 'let x'; } } // ----------------------------------------------------------------------------
JavaScript
let x = 'let'; // ---------------------------------------------------------------------------- assertEquals(x, 'let');
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for (let x = 1, y = 2, z = 3; x < 10; x ++) { y++; z++; } // ----------------------------------------------------------------------------
JavaScript
outer: for (var x = 0; x < 10; x ++) { for (var y = 0; y < 10; y ++) { let z = 'let z'; if (x == 7) { break outer; } } } // ----------------------------------------------------------------------------
JavaScript
var x = 0; // ES5 allows this. for (var i = (x = 1) in {}) { } assertEquals(1, x);
JavaScript
// Should not compile. // Error: inner is not defined function testBlock() { { let inner = 'inner value'; } var x = inner; } // ----------------------------------------------------------------------------
JavaScript
function testBlock() { // Test function expressions. { var x = function g() { return 'g'; } || function h() { return 'h'; }; return x; } } // ---------------------------------------------------------------------------- var result = testBlock(); assertEquals('g', result());
JavaScript
function nestedFunction2() { let let_func = function() { let let_x = 'let x'; } return let_func; } // ----------------------------------------------------------------------------
JavaScript
for (var i = 0; i < 5; i ++) { let let_x = 'let x'; switch (i) { case 0: continue; case 2: break; default: break; } } // ----------------------------------------------------------------------------
JavaScript
var object = { get x() { while (true) { let let_x = 'let x'; return let_x; } }, set x(v) { do { let let_v = v; this.v = let_v; } while (false); } } // ----------------------------------------------------------------------------
JavaScript
// Should not compile. function* gen() { yield 1; } for (const i = 0 of gen()) { }
JavaScript
for (var x in [1,2,3]) { let let_y = x; for (var for_in_z in [4,5,6]) { continue; } } // ----------------------------------------------------------------------------
JavaScript
class Empty {} class EmptyB extends Empty { } // ---------------------------------------------------------------------------- var e = new Empty(); assertNotNull(e); for (var element in e) { assertEquals('constructor', element); } for (var element in Empty) { fail('Empty contains static member : ' + element); }...
JavaScript
class ImmutablePoint { get x () { return this.x_; } get y () { return this.y_; } } class MutablePoint { get x () { return this.x_; } set x (x) { this.x_ = x; } get y () { return this.y_; } set y (y) { this.y_ = y; } } // ---------------------------------------------------------------------------- var imm...
JavaScript
// Skip. Not implemented. // Only in browser. class CustomBlockquote extends HTMLBlockquoteElement { constructor() { this.custom = 42; } } var customBlockquote = new CustomBlockquote; assertEquals(42, customBlockquote.custom); assertEquals('BLOCKQUOTE', customBlockquote.tagName); assertTrue(customBlockquote i...
JavaScript
// Should not compile. // Options: --classes=false class C {}
JavaScript
// Skip. Not implemented. // Only in browser. class CustomButton extends HTMLButtonElement { constructor() { this.value = 'Custom Button'; } } class CustomSelect extends HTMLSelectElement {} class CustomInput extends HTMLInputElement {} class CustomDiv extends HTMLDivElement {} class CustomUIEvent extends UIE...
JavaScript
var baseContainer = { base: function() {} } baseContainer.base.prototype = { x: 'proto x', constructor: function() { this.y = 'base y'; } } class MemberExprBase extends baseContainer.base { constructor(w) { super(); this.z = 'var z'; this.w = w; } } // ------------------------------------...
JavaScript
var b = { x: 42, m() { return 'b.m'; } }; class C extends b { get x() { return super.x; } m() { return super.m(); } } // ---------------------------------------------------------------------------- var c = new C; assertTrue(c instanceof C); assertEquals(Object.getPrototypeOf(c), C.prototype...
JavaScript
class MissingSuperA {} class MissingSuperB extends MissingSuperA { method() { return super.foo(); } field() { return super.foo; } } // ---------------------------------------------------------------------------- // Collect the expected values. var expectedF; var expectedM; var actualF; var actualM; ...
JavaScript
class B { constructor() { this._y = {v: 321}; this._z = 1; } set x(value) { this._x = value; } get x() { return this._y; } getX() { return this._x; } getV() { return this._y.v } set z(v) { this._z = v; } get z() { return this._z; } } class C extends B { co...
JavaScript
class Point { constructor() { this.x = 0; this.y = 0; } } // ---------------------------------------------------------------------------- var p = new Point(); var keys = []; for (var key in p) { keys.push(key); } assertTrue(keys.indexOf('x') !== -1); assertTrue(keys.indexOf('y') !== -1); assertTrue(ke...
JavaScript
class C extends null {} // ---------------------------------------------------------------------------- var c = new C; assertTrue(c instanceof C); assertFalse(c instanceof Object); // Closure testing framework tries to toString the object and fails. assertTrue(Object.getPrototypeOf(c) === C.prototype); assertTrue(Ob...
JavaScript
class SuperBase { m() { return 40; } get x () { return this.baseX; } set x (value) { this.baseX = value; } constructor() { this.baseC = 2; this.baseX = 4; } } class SuperDerived extends SuperBase { m() { return 41; } superM() { return super.m(); } superX() { return super.x; } constructor() { ...
JavaScript
class SimpleBase {} class SimpleDerived extends SimpleBase {} // ---------------------------------------------------------------------------- var derived = new SimpleDerived(); assertTrue(derived instanceof SimpleDerived); assertTrue(derived instanceof SimpleBase); assertTrue(derived instanceof Object);
JavaScript
// This requires manually constructed classes. function fieldLookupA() { } fieldLookupA.prototype = { foo : "A.value", get bar() { return "A.get.bar"; }, set bar(value) { }, boo : "A.boo.value", baz : undefined } function fieldLookupB() { } fieldLookupB.prototype = { __proto__ : fieldLookupA.prototy...
JavaScript
class Point2D { constructor() { this.x = 1; this.y = 2; } } class Point3D extends Point2D { constructor() { super(); this.z = 3; } } // ---------------------------------------------------------------------------- var a = new Point2D(); assertTrue(a.hasOwnProperty('x')); assertTrue(a.hasOwnPro...
JavaScript
class Universe { answer() { return 42; } } // ---------------------------------------------------------------------------- var universe = new Universe(); assertEquals(42, universe.answer()); var keys = []; for (var key in universe) { keys.push(key); } assertTrue(keys.indexOf('answer') === -1); assertTrue(k...
JavaScript
class ElementHolder { getElement() { return this.element; } makeFilterCapturedThis() { var capturedThis = this; return function (x) { return x == capturedThis.element; } } makeFilterLostThis() { return function () { return this; } } makeFilterHidden(element) { return function (x...
JavaScript
function noClassA() {} noClassA.prototype = { ma: function() { return 'ma'; } } class NoClassB extends noClassA { mb() { return 'mb ' + super.ma(); } } // ---------------------------------------------------------------------------- var b = new NoClassB; assertTrue(b instanceof noClassA); assertEquals('ma',...
JavaScript
class Point { constructor() { this.x = 0; this.y = 0; } } // ---------------------------------------------------------------------------- var p = new Point(); assertEquals(0, p.x); assertEquals(0, p.y); p.x = 1; assertEquals(1, p.x); var p2 = new Point(); assertEquals(0, p2.x); assertEquals(0, p2.y); ass...
JavaScript
class Point { constructor(x, y) { this.x = x; this.y = y; } } // ---------------------------------------------------------------------------- var p = new Point(1, 2); assertEquals(1, p.x); assertEquals(2, p.y); var p2 = new Point(3, 4); assertEquals(3, p2.x); assertEquals(4, p2.y); assertEquals(1, p.x); ...
JavaScript
class OptionalParams { constructor(opt = 1) { this.opt = opt; } instanceMethod(opt = 2) { return opt; } } // ---------------------------------------------------------------------------- var obj = new OptionalParams(); assertEquals(1, obj.opt); assertEquals(2, obj.instanceMethod()); assertEquals(3, obj...
JavaScript
class GetterA { get x() { return 'getter x'; } get y() { return 'getter y'; } } class GetterB extends GetterA { get x() { return super.x; } } class GetterC extends GetterB { get y() { return super.y; } } // ---------------------------------------------------------------------------- var b = new GetterB(); v...
JavaScript
class ConstructorA { constructor(x) { this.x = x; } } class ConstructorB extends ConstructorA { constructor(x, y) { super(x); this.y = y; } } // ---------------------------------------------------------------------------- var a = new ConstructorA('ax'); assertEquals('ax', a.x); assertFalse(a.hasO...
JavaScript
class NameBindingBase {} class NameBindingDerived extends NameBindingBase { getX() { return this.x; } } // ---------------------------------------------------------------------------- var derived = new NameBindingDerived(); derived.x = 12; assertEquals(12, derived.getX());
JavaScript
class ConstructorMember { constructor() {} } class DerivedConstructorMember extends ConstructorMember { constructor() {} } // ---------------------------------------------------------------------------- var cm = new ConstructorMember; assertEquals(cm.constructor, ConstructorMember.prototype.constructor); assertT...
JavaScript
class DerivedFromObject extends Object { } // ---------------------------------------------------------------------------- // TODO(rnystrom): No tests for this?
JavaScript
function B() {} B.b = function() { return 'B.b'; }; class C extends B {} assertEquals(Object.getPrototypeOf(C), B); assertEquals(Object.getPrototypeOf(C.prototype), B.prototype); assertEquals(C.b(), 'B.b');
JavaScript
class MethodsA { ma() {} } class MethodsB extends MethodsA { mb() {} } class MethodsC extends MethodsB { mc() {} } // ---------------------------------------------------------------------------- var a = new MethodsA(); var b = new MethodsB(); var c = new MethodsC(); var pa = Object.getPrototypeOf(a); var pb ...
JavaScript
class RestParams { constructor(...rest) { this.rest = rest; } instanceMethod(...rest) { return rest; } } // ---------------------------------------------------------------------------- var obj = new RestParams(0, 1, 2); assertArrayEquals([0, 1, 2], obj.rest); assertArrayEquals([3, 4, 5], obj.instanceM...
JavaScript
class MethodLookupA { foo() { return 'A.foo()'; } get bar() { return 'A.get.bar'; } set bar(value) { } } class MethodLookupB extends MethodLookupA { get foo() { return 'B.foo.get'; } set foo(value) { } bar() { return 'B.bar()'; } } class MethodLookupC extends MethodLookupB { x() ...
JavaScript
class ChainA { foo() { return 'A'; } } class ChainB extends ChainA { foo() { return super.foo() + ' B'; } } class ChainC extends ChainB { foo() { return super.foo() + ' C'; } } class ChainD extends ChainC { foo() { return super.foo() + ' D'; } } // -----------------------------------...
JavaScript
// Should not compile. // Options: --isExpression=false 42 is 42;
JavaScript
assertTrue(1 is 1); assertTrue(0 is 0); assertTrue(-0 is -0); assertTrue(NaN is NaN); assertTrue(Infinity is Infinity); assertTrue(-Infinity is -Infinity); assertTrue(0 isnt -0); assertTrue(-0 isnt 0); assertFalse(0 is -0); assertFalse(-0 is 0); assertTrue(Infinity isnt -Infinity); assertTrue(-Infinity isnt Infinity);...
JavaScript
assertTrue(Object.is(1, 1)); assertTrue(Object.is(0, 0)); assertTrue(Object.is(-0, -0)); assertTrue(Object.is(NaN, NaN)); assertTrue(Object.is(Infinity, Infinity)); assertTrue(Object.is(-Infinity, -Infinity)); assertFalse(Object.is(0, -0)); assertFalse(Object.is(-0, 0)); assertFalse(Object.is(Infinity, -Infinity)); as...
JavaScript
// Should not compile. assertTrue(42 is 42); assertTrue(42 // no line break allowed. is 42); assertTrue(42 /* no line break allowed. */ is 42);
JavaScript
{ let lastX; function is(x) { lastX = x; return x + 1; } // OK since is is defined 42 is 42 assertTrue(42 is 42); // line terminator OK after is. assertTrue(1 is (1)); assertTrue(lastX === undefined); let x = 1 is (2); assertTrue(x === 1); assertTrue(lastX === ...
JavaScript
// Should not compile. // Options: --propertyNameShorthand=false var x = 42; var object = {x};
JavaScript
var x = 42; var y = 43; var object = {x, y}; // ---------------------------------------------------------------------------- assertEquals(42, object.x); assertEquals(43, object.y);
JavaScript
// Should not compile. // Error: missingVar is not defined var object = {missingVar};
JavaScript
// Should not compile. var object = {var};
JavaScript
// Should not compile. // Options: --deferredFunctions=false function asyncComplete() { var task = new Deferred(); task.callback('complete'); return task.createPromise(); } // ---------------------------------------------------------------------------- (function() { var value; await value = asyncComplete()...
JavaScript
function asyncValue(value) { if (true) return value; await asyncYield(); } function asyncYield() { return asyncTimeout(0); } function asyncTimeout(ms) { var task = new Deferred(); messageQueue.push(function() { task.callback(undefined); }); return task.createPromise(); } var done = false; var m...
JavaScript
function asyncComplete() { var task = new Deferred(); task.callback('complete'); return task.createPromise(); } // ---------------------------------------------------------------------------- (function() { var value; await value = asyncComplete(); assertEquals('complete', value); })();
JavaScript
function asyncThrow(e) { if (true) throw e; await asyncYield(); } function asyncYield() { return asyncTimeout(0); } function asyncTimeout(ms) { var task = new Deferred(); messageQueue.push(function() { task.callback(undefined); }); return task.createPromise(); } var done = false; var messageQue...
JavaScript
function asyncYield() { return asyncTimeout(0); } function asyncTimeout(ms) { var task = new Deferred(); messageQueue.push(function() { task.callback(undefined); }); return task.createPromise(); } var done = false; var messageQueue = []; function run(f) { return function() { done = false; f()...
JavaScript
var finallyVisited = false; var d = new Deferred; var v; function test() { try { await v = d; } finally { finallyVisited = true; } } test(); assertFalse(finallyVisited); d.callback(42) assertEquals(42, v); assertTrue(finallyVisited)
JavaScript
function asyncTimeout(ms) { var task = new Deferred(); messageQueue.push(function() { task.callback(undefined); }); return task.createPromise(); } var done = false; var messageQueue = []; function run(f) { return function() { done = false; f(); while (dequeue()) { // intentionally empt...
JavaScript
// Options: --cascade-expression=false // Should not compile. var object = {}; object.{ a = 0; b = 1; };
JavaScript
var object = { a: 'A', c: [0, 1, 2], d: { e: 'E' }, f: function() { this.F = 'F'; }, g: function(x) { this.G = x; } }; var result = object.{ a = 'A2'; b = 'B' // ASI c[1] = 11; f(); g('G'); d.{ e = 'E2' }; h = 'H'; }.{ i = 'I' }; assertEquals(object, result); assertE...
JavaScript
// Should not compile. var object = {}; object.{ 'a' = 'a'; 1 = 1; true = true; null = null; };
JavaScript
{ var object = {}; var self = {}; function f() { object.{ self = this; } } f.call(self); assertEquals(self, object.self); }
JavaScript
// Should not compile. var object = {}; object.{ ['a'] = 'a'; [1] = 1; (1 + 2) = 3; };
JavaScript
{ var object = {}; function f() { object.{ arguments = arguments; } } f(0, 1); assertEquals(0, object.arguments[0]); assertEquals(1, object.arguments[1]); }
JavaScript