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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
| 28 // Flags: --allow-natives-syntax |
| 29 |
28 /** | 30 /** |
29 * @fileoverview Test indexing on strings with []. | 31 * @fileoverview Test indexing on strings with []. |
30 */ | 32 */ |
31 | 33 |
32 var foo = "Foo"; | 34 var foo = "Foo"; |
33 assertEquals("Foo", foo); | 35 assertEquals("Foo", foo); |
34 assertEquals("F", foo[0]); | 36 assertEquals("F", foo[0]); |
35 assertEquals("o", foo[1]); | 37 assertEquals("o", foo[1]); |
36 assertEquals("o", foo[2]); | 38 assertEquals("o", foo[2]); |
37 | 39 |
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243 var keys = [0, 10]; | 245 var keys = [0, 10]; |
244 var str = 'ab', arr = ['a', undefined]; | 246 var str = 'ab', arr = ['a', undefined]; |
245 for (var i = 0; i < 100; ++i) { | 247 for (var i = 0; i < 100; ++i) { |
246 var index = Math.floor(i / 50); | 248 var index = Math.floor(i / 50); |
247 var key = keys[index]; | 249 var key = keys[index]; |
248 var expected = arr[index]; | 250 var expected = arr[index]; |
249 var actual = str[key]; | 251 var actual = str[key]; |
250 assertEquals(expected, actual); | 252 assertEquals(expected, actual); |
251 } | 253 } |
252 | 254 |
| 255 // Test out of range with a heap number case. |
| 256 var num = Math.floor(4) * 0.5; |
| 257 // TODO(mvstanton): figure out a reliable way to get a heap number every time. |
| 258 // assertFalse(!%_IsSmi(num)); |
| 259 var keys = [0, num]; |
| 260 var str = 'ab', arr = ['a', undefined]; |
| 261 for (var i = 0; i < 100; ++i) { |
| 262 var index = Math.floor(i / 50); |
| 263 var key = keys[index]; |
| 264 var expected = arr[index]; |
| 265 var actual = str[key]; |
| 266 assertEquals(expected, actual); |
| 267 } |
| 268 |
253 // Test two byte string. | 269 // Test two byte string. |
254 var str = '\u0427', arr = ['\u0427']; | 270 var str = '\u0427', arr = ['\u0427']; |
255 for (var i = 0; i < 50; ++i) { | 271 for (var i = 0; i < 50; ++i) { |
256 var expected = arr[0]; | 272 var expected = arr[0]; |
257 var actual = str[0]; | 273 var actual = str[0]; |
258 assertEquals(expected, actual); | 274 assertEquals(expected, actual); |
259 } | 275 } |
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