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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.prototype.codePointAt | 6 // https://github.com/mathiasbynens/String.prototype.codePointAt |
| 9 | 7 |
| 10 assertEquals(String.prototype.codePointAt.length, 1); | 8 assertEquals(String.prototype.codePointAt.length, 1); |
| 11 assertEquals(String.prototype.propertyIsEnumerable("codePointAt"), false); | 9 assertEquals(String.prototype.propertyIsEnumerable("codePointAt"), false); |
| 12 | 10 |
| 13 // String that starts with a BMP symbol | 11 // String that starts with a BMP symbol |
| 14 assertEquals("abc\uD834\uDF06def".codePointAt(""), 0x61); | 12 assertEquals("abc\uD834\uDF06def".codePointAt(""), 0x61); |
| 15 assertEquals("abc\uD834\uDF06def".codePointAt("_"), 0x61); | 13 assertEquals("abc\uD834\uDF06def".codePointAt("_"), 0x61); |
| 16 assertEquals("abc\uD834\uDF06def".codePointAt(), 0x61); | 14 assertEquals("abc\uD834\uDF06def".codePointAt(), 0x61); |
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| 82 assertEquals(String.prototype.codePointAt.call(42, 0), 0x34); | 80 assertEquals(String.prototype.codePointAt.call(42, 0), 0x34); |
| 83 assertEquals(String.prototype.codePointAt.call(42, 1), 0x32); | 81 assertEquals(String.prototype.codePointAt.call(42, 1), 0x32); |
| 84 assertEquals(String.prototype.codePointAt.call({ | 82 assertEquals(String.prototype.codePointAt.call({ |
| 85 toString: function() { return "abc"; } | 83 toString: function() { return "abc"; } |
| 86 }, 2), 0x63); | 84 }, 2), 0x63); |
| 87 var tmp = 0; | 85 var tmp = 0; |
| 88 assertEquals(String.prototype.codePointAt.call({ | 86 assertEquals(String.prototype.codePointAt.call({ |
| 89 toString: function() { ++tmp; return String(tmp); } | 87 toString: function() { ++tmp; return String(tmp); } |
| 90 }, 0), 0x31); | 88 }, 0), 0x31); |
| 91 assertEquals(tmp, 1); | 89 assertEquals(tmp, 1); |
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