| var testCase = function (actual, expected, message) { |
| if (actual !== expected) { |
| throw message + ". Expected '" + expected + "', but was '" + actual + "'"; |
| } |
| }; |
| |
| var testValue = 'test-value'; |
| |
| var A = class A { |
| constructor() { |
| this.idValue = testValue; |
| } |
| }; |
| |
| var B = class B extends A { |
| constructor (inArrowFuction, inConstructor) { |
| var arrow = () => { |
| if (inArrowFuction) { |
| super(); |
| testCase(this.idValue, testValue, "Error: super() should create this and put value into idValue property"); |
| } |
| } |
| |
| if (inArrowFuction) |
| arrow(); |
| |
| if (inConstructor) |
| super(); |
| |
| testCase(this.idValue, testValue, "Error: arrow function should return this to constructor"); |
| } |
| }; |
| |
| for (var i = 0; i < 1000; i++) { |
| new B(true, false); |
| new B(false, true); |
| } |
| |
| var testException = function (value1, value2, index) { |
| var exception; |
| try { |
| new B(value1, value2); |
| } catch (e) { |
| exception = e; |
| if (!(e instanceof ReferenceError)) |
| throw "Exception thrown was not a reference error"; |
| } |
| |
| if (!exception) |
| throw "Exception not thrown for an unitialized this at iteration " + index; |
| } |
| |
| for (var i=0; i < 1000; i++) { |
| testException(false, false, i); |
| } |
| |
| var C = class C extends A { |
| constructor() { |
| eval("var x = 20"); |
| super(); |
| let f = () => this; |
| let xf = f(); |
| xf.id = 'test-id'; |
| } |
| }; |
| |
| var c = new C(); |