1Tests for ES6 class syntax "super" 2 3On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". 4 5 6PASS (new Base) instanceof Base is true 7PASS (new Derived) instanceof Derived is true 8PASS (new Derived).callBaseMethod() is baseMethodValue 9PASS x = (new Derived).callBaseMethod; x() is baseMethodValue 10PASS (new Derived).callBaseMethodInGetter is baseMethodValue 11PASS (new Derived).callBaseMethodInSetter = 1; valueInSetter is baseMethodValue 12PASS (new Derived).baseMethodInGetterSetter is (new Base).baseMethod 13PASS (new Derived).baseMethodInGetterSetter = 1; valueInSetter is (new Base).baseMethod 14PASS Derived.staticMethod() is "base3" 15PASS (new SecondDerived).chainMethod() is ["base", "derived", "secondDerived"] 16PASS x = class extends Base { constructor() { super(); } super() {} } did not throw exception. 17PASS x = class extends Base { constructor() { super(); } method() { super() } } threw exception SyntaxError: 'super' keyword unexpected here. 18PASS x = class extends Base { constructor() { super(); } method() { super } } threw exception SyntaxError: 'super' keyword unexpected here. 19PASS x = class extends Base { constructor() { super(); } method() { return new super } } threw exception SyntaxError: 'super' keyword unexpected here. 20PASS x = class extends Base { constructor() { super(); } method1() { delete (super.foo) } method2() { delete super["foo"] } } did not throw exception. 21PASS (new x).method1() threw exception ReferenceError: Unsupported reference to 'super'. 22PASS (new x).method2() threw exception ReferenceError: Unsupported reference to 'super'. 23PASS new (class { constructor() { return undefined; } }) instanceof Object is true 24PASS new (class { constructor() { return 1; } }) instanceof Object is true 25PASS new (class extends Base { constructor() { return undefined } }) threw exception ReferenceError: this is not defined. 26PASS new (class extends Base { constructor() { super(); return undefined } }) instanceof Object is true 27PASS x = { }; new (class extends Base { constructor() { return x } }); is x 28PASS x instanceof Base is false 29PASS new (class extends Base { constructor() { } }) threw exception ReferenceError: this is not defined. 30PASS new (class extends Base { constructor() { return 1; } }) threw exception TypeError: Derived constructors may only return object or undefined. 31PASS new (class extends null { constructor() { return undefined } }) threw exception ReferenceError: this is not defined. 32PASS new (class extends null { constructor() { super(); return undefined } }) threw exception TypeError: super is not a constructor. 33PASS x = { }; new (class extends null { constructor() { return x } }); is x 34PASS x instanceof Object is true 35PASS new (class extends null { constructor() { } }) threw exception ReferenceError: this is not defined. 36PASS new (class extends null { constructor() { return 1; } }) threw exception TypeError: Derived constructors may only return object or undefined. 37PASS new (class extends null { constructor() { super() } }) threw exception TypeError: super is not a constructor. 38PASS new (class { constructor() { super() } }) threw exception SyntaxError: 'super' keyword unexpected here. 39PASS function x() { super(); } threw exception SyntaxError: 'super' keyword unexpected here. 40PASS new (class extends Object { constructor() { function x() { super() } } }) threw exception SyntaxError: 'super' keyword unexpected here. 41PASS new (class extends Object { constructor() { function x() { super.method } } }) threw exception SyntaxError: 'super' keyword unexpected here. 42PASS function x() { super.method(); } threw exception SyntaxError: 'super' keyword unexpected here. 43PASS function x() { super(); } threw exception SyntaxError: 'super' keyword unexpected here. 44PASS successfullyParsed is true 45 46TEST COMPLETE 47