| 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 (beforeSuper) { |
| var arrow = () => eval('(() => this.idValue)()'); |
| |
| if (beforeSuper) { |
| var result = arrow(); |
| super(); |
| testCase(result, testValue, "Error: has to be TDZ error"); |
| } else { |
| super(); |
| let result= arrow(); |
| testCase(result, testValue, "Error: super() should create this and put value into idValue property"); |
| } |
| } |
| }; |
| |
| for (var i = 0; i < 1000; i++) { |
| var b = new B(false); |
| } |
| |
| var testException = function (value, index) { |
| var exception; |
| try { |
| new B(value); |
| } 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(true, i); |
| } |