Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| 3 | // |
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| 5 | // modification, are permitted provided that the following conditions |
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| 7 | // 1. Redistributions of source code must retain the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer. |
| 9 | // 2. Redistributions in binary form must reproduce the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer in the |
| 11 | // documentation and/or other materials provided with the distribution. |
| 12 | // |
| 13 | // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| 14 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 24 | // Flags: --harmony-sloppy |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 25 | |
| 26 | description('Tests for ES6 class syntax expressions'); |
| 27 | |
| 28 | var constructorCallCount = 0; |
| 29 | const staticMethodValue = [1]; |
| 30 | const instanceMethodValue = [2]; |
| 31 | const getterValue = [3]; |
| 32 | var setterValue = undefined; |
| 33 | var A = class { |
| 34 | constructor() { constructorCallCount++; } |
| 35 | static someStaticMethod() { return staticMethodValue; } |
| 36 | static get someStaticGetter() { return getterValue; } |
| 37 | static set someStaticSetter(value) { setterValue = value; } |
| 38 | someInstanceMethod() { return instanceMethodValue; } |
| 39 | get someGetter() { return getterValue; } |
| 40 | set someSetter(value) { setterValue = value; } |
| 41 | }; |
| 42 | |
| 43 | shouldBe("constructorCallCount", "0"); |
| 44 | shouldBe("A.someStaticMethod()", "staticMethodValue"); |
| 45 | shouldBe("A.someStaticGetter", "getterValue"); |
| 46 | shouldBe("setterValue = undefined; A.someStaticSetter = 123; setterValue", "123"); |
| 47 | shouldBe("(new A).someInstanceMethod()", "instanceMethodValue"); |
| 48 | shouldBe("constructorCallCount", "1"); |
| 49 | shouldBe("(new A).someGetter", "getterValue"); |
| 50 | shouldBe("constructorCallCount", "2"); |
| 51 | shouldBe("(new A).someGetter", "getterValue"); |
| 52 | shouldBe("setterValue = undefined; (new A).someSetter = 789; setterValue", "789"); |
| 53 | shouldBe("(new A).__proto__", "A.prototype"); |
| 54 | shouldBe("A.prototype.constructor", "A"); |
| 55 | |
| 56 | shouldThrow("x = class", "'SyntaxError: Unexpected end of input'"); |
| 57 | shouldThrow("x = class {", "'SyntaxError: Unexpected end of input'"); |
| 58 | shouldThrow("x = class { ( }", "'SyntaxError: Unexpected token ('"); |
| 59 | shouldNotThrow("x = class {}"); |
| 60 | |
| 61 | shouldThrow("x = class { constructor() {} constructor() {} }", "'SyntaxError: A class may only have one constructor'"); |
| 62 | shouldThrow("x = class { get constructor() {} }", "'SyntaxError: Class constructor may not be an accessor'"); |
| 63 | shouldThrow("x = class { set constructor() {} }", "'SyntaxError: Class constructor may not be an accessor'"); |
| 64 | shouldNotThrow("x = class { constructor() {} static constructor() { return staticMethodValue; } }"); |
| 65 | shouldBe("x = class { constructor() {} static constructor() { return staticMethodValue; } }; x.constructor()", "staticMethodValue"); |
| 66 | |
| 67 | shouldThrow("x = class { constructor() {} static prototype() {} }", "'SyntaxError: Classes may not have static property named prototype'"); |
| 68 | shouldThrow("x = class { constructor() {} static get prototype() {} }", "'SyntaxError: Classes may not have static property named prototype'"); |
| 69 | shouldThrow("x = class { constructor() {} static set prototype() {} }", "'SyntaxError: Classes may not have static property named prototype'"); |
| 70 | shouldNotThrow("x = class { constructor() {} prototype() { return instanceMethodValue; } }"); |
| 71 | shouldBe("x = class { constructor() {} prototype() { return instanceMethodValue; } }; (new x).prototype()", "instanceMethodValue"); |
| 72 | |
| 73 | shouldNotThrow("x = class { constructor() {} set foo(a) {} }"); |
| 74 | shouldNotThrow("x = class { constructor() {} set foo({x, y}) {} }"); |
| 75 | shouldThrow("x = class { constructor() {} set foo() {} }"); |
| 76 | shouldThrow("x = class { constructor() {} set foo(a, b) {} }"); |
| 77 | shouldNotThrow("x = class { constructor() {} get foo() {} }"); |
| 78 | shouldThrow("x = class { constructor() {} get foo(x) {} }"); |
| 79 | shouldThrow("x = class { constructor() {} get foo({x, y}) {} }"); |
| 80 | |
| 81 | var successfullyParsed = true; |