1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 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 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24 description('Tests for ES6 class syntax default constructor'); 25 26 class A { }; 27 class B extends A { }; 28 29 shouldBeTrue('new A instanceof A'); 30 shouldThrow('A()', '"TypeError: Class constructor A cannot be invoked without \'new\'"'); 31 shouldBeTrue('A.prototype.constructor instanceof Function'); 32 shouldBe('A.prototype.constructor.name', '"A"'); 33 shouldBeTrue('new B instanceof A; new B instanceof A'); 34 shouldThrow('B()', '"TypeError: Class constructor B cannot be invoked without \'new\'"'); 35 shouldBe('B.prototype.constructor.name', '"B"'); 36 shouldBeTrue('A !== B'); 37 shouldBeTrue('A.prototype.constructor !== B.prototype.constructor'); 38 shouldBe('new (class extends (class { constructor(a, b) { return [a, b]; } }) {})(1, 2)', '[1, 2]'); 39 40 var successfullyParsed = true; 41
