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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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-strings | |
| 6 | |
| 7 // Tests taken from: | 5 // Tests taken from: |
| 8 // https://github.com/mathiasbynens/String.fromCodePoint | 6 // https://github.com/mathiasbynens/String.fromCodePoint |
| 9 | 7 |
| 10 assertEquals(String.fromCodePoint.length, 1); | 8 assertEquals(String.fromCodePoint.length, 1); |
| 11 assertEquals(String.propertyIsEnumerable("fromCodePoint"), false); | 9 assertEquals(String.propertyIsEnumerable("fromCodePoint"), false); |
| 12 | 10 |
| 13 assertEquals(String.fromCodePoint(""), "\0"); | 11 assertEquals(String.fromCodePoint(""), "\0"); |
| 14 assertEquals(String.fromCodePoint(), ""); | 12 assertEquals(String.fromCodePoint(), ""); |
| 15 assertEquals(String.fromCodePoint(-0), "\0"); | 13 assertEquals(String.fromCodePoint(-0), "\0"); |
| 16 assertEquals(String.fromCodePoint(0), "\0"); | 14 assertEquals(String.fromCodePoint(0), "\0"); |
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| 53 result.push(0); // one code unit per symbol | 51 result.push(0); // one code unit per symbol |
| 54 } | 52 } |
| 55 String.fromCodePoint.apply(null, result); // must not throw | 53 String.fromCodePoint.apply(null, result); // must not throw |
| 56 | 54 |
| 57 var counter = Math.pow(2, 15) * 3 / 2; | 55 var counter = Math.pow(2, 15) * 3 / 2; |
| 58 var result = []; | 56 var result = []; |
| 59 while (--counter >= 0) { | 57 while (--counter >= 0) { |
| 60 result.push(0xFFFF + 1); // two code units per symbol | 58 result.push(0xFFFF + 1); // two code units per symbol |
| 61 } | 59 } |
| 62 String.fromCodePoint.apply(null, result); // must not throw | 60 String.fromCodePoint.apply(null, result); // must not throw |
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