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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 // | 4 |
| 5 // Flags: --harmony-classes | |
| 6 'use strict'; | 5 'use strict'; |
| 7 | 6 |
| 8 (function TestDefaultConstructor() { | 7 (function TestDefaultConstructor() { |
| 9 class Stack extends Array { } | 8 class Stack extends Array { } |
| 10 { | 9 { |
| 11 let s1 = new Stack(); | 10 let s1 = new Stack(); |
| 12 assertSame(Stack.prototype, s1.__proto__); | 11 assertSame(Stack.prototype, s1.__proto__); |
| 13 assertTrue(Array.isArray(s1)); | 12 assertTrue(Array.isArray(s1)); |
| 14 assertSame(0, s1.length); | 13 assertSame(0, s1.length); |
| 15 s1[0] = 'xyz'; | 14 s1[0] = 'xyz'; |
| (...skipping 125 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 141 assertArrayEquals([4,5,6,1,2,3], [4,5,6].concat(s1)); | 140 assertArrayEquals([4,5,6,1,2,3], [4,5,6].concat(s1)); |
| 142 }()); | 141 }()); |
| 143 | 142 |
| 144 | 143 |
| 145 (function TestJSONStringify() { | 144 (function TestJSONStringify() { |
| 146 class Stack extends Array { } | 145 class Stack extends Array { } |
| 147 | 146 |
| 148 let s1 = new Stack(1,2,3); | 147 let s1 = new Stack(1,2,3); |
| 149 assertSame("[1,2,3]", JSON.stringify(s1)); | 148 assertSame("[1,2,3]", JSON.stringify(s1)); |
| 150 }()); | 149 }()); |
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