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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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