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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 function argc0() { | 30 function argc0() { |
29 return arguments.length; | 31 return arguments.length; |
30 } | 32 } |
31 | 33 |
32 function argc1(i) { | 34 function argc1(i) { |
33 return arguments.length; | 35 return arguments.length; |
34 } | 36 } |
35 | 37 |
36 function argc2(i, j) { | 38 function argc2(i, j) { |
37 return arguments.length; | 39 return arguments.length; |
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181 assertArrayEquals([2, 5, 5], f1(3, 5)); | 183 assertArrayEquals([2, 5, 5], f1(3, 5)); |
182 assertArrayEquals([3, 5, 5, 7], f1(3, 5, 7)); | 184 assertArrayEquals([3, 5, 5, 7], f1(3, 5, 7)); |
183 | 185 |
184 // Check out of bounds behavior. | 186 // Check out of bounds behavior. |
185 function arg_get(x) { return arguments[x]; } | 187 function arg_get(x) { return arguments[x]; } |
186 function arg_del(x) { return delete arguments[x]; } | 188 function arg_del(x) { return delete arguments[x]; } |
187 function arg_set(x) { return (arguments[x] = 117); } | 189 function arg_set(x) { return (arguments[x] = 117); } |
188 assertEquals(undefined, arg_get(0xFFFFFFFF)); | 190 assertEquals(undefined, arg_get(0xFFFFFFFF)); |
189 assertEquals(true, arg_del(0xFFFFFFFF)); | 191 assertEquals(true, arg_del(0xFFFFFFFF)); |
190 assertEquals(117, arg_set(0xFFFFFFFF)); | 192 assertEquals(117, arg_set(0xFFFFFFFF)); |
| 193 |
| 194 (function() { |
| 195 function f(a) { return arguments; } |
| 196 var a = f(1,2,3); |
| 197 // Turn arguments into slow. |
| 198 assertTrue(%HasSloppyArgumentsElements(a)); |
| 199 a[10000] = 1; |
| 200 assertTrue(%HasSloppyArgumentsElements(a)); |
| 201 // Make it fast again by adding values. |
| 202 for (var i = 0; i < 1000; i++) { |
| 203 a[i] = 1.5; |
| 204 } |
| 205 assertTrue(%HasSloppyArgumentsElements(a)); |
| 206 })(); |
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