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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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261 assertFalse(array.hasOwnProperty(9)); | 261 assertFalse(array.hasOwnProperty(9)); |
262 | 262 |
263 // and now check couple of indices above length. | 263 // and now check couple of indices above length. |
264 assertFalse(array.hasOwnProperty(10)); | 264 assertFalse(array.hasOwnProperty(10)); |
265 assertFalse(array.hasOwnProperty(15)); | 265 assertFalse(array.hasOwnProperty(15)); |
266 assertFalse(array.hasOwnProperty(31)); | 266 assertFalse(array.hasOwnProperty(31)); |
267 assertFalse(array.hasOwnProperty(63)); | 267 assertFalse(array.hasOwnProperty(63)); |
268 assertFalse(array.hasOwnProperty(2 << 32 - 1)); | 268 assertFalse(array.hasOwnProperty(2 << 32 - 1)); |
269 } | 269 } |
270 })(); | 270 })(); |
| 271 |
| 272 |
| 273 // Check the behaviour when approaching maximal values for length. |
| 274 (function() { |
| 275 for (var i = 0; i < 7; i++) { |
| 276 try { |
| 277 new Array((1 << 32) - 3).splice(-1, 0, 1, 2, 3, 4, 5); |
| 278 throw 'Should have thrown RangeError'; |
| 279 } catch (e) { |
| 280 assertTrue(e instanceof RangeError); |
| 281 } |
| 282 |
| 283 // Check smi boundary |
| 284 var bigNum = (1 << 30) - 3; |
| 285 var array = new Array(bigNum); |
| 286 array.splice(-1, 0, 1, 2, 3, 4, 5, 6, 7); |
| 287 assertEquals(bigNum + 7, array.length); |
| 288 } |
| 289 })(); |
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