// Copyright 2015 the V8 project authors. All rights reserved. // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. description('Tests for ES6 class syntax "super"'); var baseMethodValue = {}; var valueInSetter = null; class Base { constructor() { } baseMethod() { return baseMethodValue; } chainMethod() { return 'base'; } static staticMethod() { return 'base3'; } } class Derived extends Base { constructor() { super(); } chainMethod() { return [super.chainMethod(), 'derived']; } callBaseMethod() { return super.baseMethod(); } get callBaseMethodInGetter() { return super['baseMethod'](); } set callBaseMethodInSetter(x) { valueInSetter = super.baseMethod(); } get baseMethodInGetterSetter() { return super.baseMethod; } set baseMethodInGetterSetter(x) { valueInSetter = super['baseMethod']; } static staticMethod() { return super.staticMethod(); } } class SecondDerived extends Derived { constructor() { super(); } chainMethod() { return super.chainMethod().concat(['secondDerived']); } } shouldBeTrue('(new Base) instanceof Base'); shouldBeTrue('(new Derived) instanceof Derived'); shouldBe('(new Derived).callBaseMethod()', 'baseMethodValue'); shouldBe('x = (new Derived).callBaseMethod; x()', 'baseMethodValue'); shouldBe('(new Derived).callBaseMethodInGetter', 'baseMethodValue'); shouldBe('(new Derived).callBaseMethodInSetter = 1; valueInSetter', 'baseMethodValue'); shouldBe('(new Derived).baseMethodInGetterSetter', '(new Base).baseMethod'); shouldBe('(new Derived).baseMethodInGetterSetter = 1; valueInSetter', '(new Base).baseMethod'); shouldBe('Derived.staticMethod()', '"base3"'); shouldBe('(new SecondDerived).chainMethod()', '["base", "derived", "secondDerived"]'); shouldNotThrow('x = class extends Base { constructor() { super(); } super() {} }'); shouldThrow('x = class extends Base { constructor() { super(); } method() { super() } }', '"SyntaxError: \'super\' keyword unexpected here"'); shouldThrow('x = class extends Base { constructor() { super(); } method() { super } }', '"SyntaxError: \'super\' keyword unexpected here"'); shouldThrow('x = class extends Base { constructor() { super(); } method() { return new super } }', '"SyntaxError: \'super\' keyword unexpected here"'); // shouldBeTrue('(new x).method() instanceof Base'); // shouldBeFalse('(new x).method() instanceof x'); shouldNotThrow('x = class extends Base { constructor() { super(); } method1() { delete (super.foo) } method2() { delete super["foo"] } }'); shouldThrow('(new x).method1()', '"ReferenceError: Unsupported reference to \'super\'"'); shouldThrow('(new x).method2()', '"ReferenceError: Unsupported reference to \'super\'"'); shouldBeTrue('new (class { constructor() { return undefined; } }) instanceof Object'); shouldBeTrue('new (class { constructor() { return 1; } }) instanceof Object'); shouldThrow('new (class extends Base { constructor() { return undefined } })'); shouldBeTrue('new (class extends Base { constructor() { super(); return undefined } }) instanceof Object'); shouldBe('x = { }; new (class extends Base { constructor() { return x } });', 'x'); shouldBeFalse('x instanceof Base'); shouldThrow('new (class extends Base { constructor() { } })', '"ReferenceError: this is not defined"'); shouldThrow('new (class extends Base { constructor() { return 1; } })', '"TypeError: Derived constructors may only return object or undefined"'); shouldThrow('new (class extends null { constructor() { return undefined } })'); shouldThrow('new (class extends null { constructor() { super(); return undefined } })', '"TypeError: super is not a constructor"'); shouldBe('x = { }; new (class extends null { constructor() { return x } });', 'x'); shouldBeTrue('x instanceof Object'); shouldThrow('new (class extends null { constructor() { } })', '"ReferenceError: this is not defined"'); shouldThrow('new (class extends null { constructor() { return 1; } })', '"TypeError: Derived constructors may only return object or undefined"'); shouldThrow('new (class extends null { constructor() { super() } })', '"TypeError: super is not a constructor"'); shouldThrow('new (class { constructor() { super() } })', '"SyntaxError: \'super\' keyword unexpected here"'); shouldThrow('function x() { super(); }', '"SyntaxError: \'super\' keyword unexpected here"'); shouldThrow('new (class extends Object { constructor() { function x() { super() } } })', '"SyntaxError: \'super\' keyword unexpected here"'); shouldThrow('new (class extends Object { constructor() { function x() { super.method } } })', '"SyntaxError: \'super\' keyword unexpected here"'); shouldThrow('function x() { super.method(); }', '"SyntaxError: \'super\' keyword unexpected here"'); shouldThrow('function x() { super(); }', '"SyntaxError: \'super\' keyword unexpected here"'); var successfullyParsed = true;