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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are met: |
7 // 1. Redistributions of source code must retain the above copyright | 7 // 1. Redistributions of source code must retain the above copyright |
8 // notice, this list of conditions and the following disclaimer. | 8 // notice, this list of conditions and the following disclaimer. |
9 // 2. Redistributions in binary form must reproduce the above copyright | 9 // 2. Redistributions in binary form must reproduce the above copyright |
10 // notice, this list of conditions and the following disclaimer in the | 10 // notice, this list of conditions and the following disclaimer in the |
11 // documentation and/or other materials provided with the distribution. | 11 // documentation and/or other materials provided with the distribution. |
12 // | 12 // |
13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
23 | 23 |
24 description( | 24 description( |
25 "This tests that speculation recovery of destructive additions on unboxed intege
rs works." | 25 'This is a test case for <a https://bugs.webkit.org/show_bug.cgi?id=64678">bug 6
4678</a>.' |
26 ); | 26 ); |
27 | 27 |
28 function destructiveAddForBoxedInteger(a,b,c) { | 28 //ES 5.1 allows for Object.prototype.toString being called with undefined/null. |
29 var a_ = a.x; | 29 shouldBe("Object.prototype.toString.call(undefined)", '"[object Undefined]"'); |
30 var d = a_ + b; | 30 shouldBe("Object.prototype.toString.call(null)", '"[object Null]"'); |
31 return c + d + b; | |
32 } | |
33 | 31 |
34 // warm-up foo to be integer | 32 // These calls pass undefined as this value, and as such should throw in toObjec
t. |
35 for (var i = 0; i < 100; ++i) { | 33 shouldThrow("Object.prototype.toLocaleString.call(undefined)"); |
36 destructiveAddForBoxedInteger({x:1}, 2, 3); | 34 shouldThrow("Object.prototype.valueOf.call(undefined)"); |
37 } | 35 shouldThrow("Object.prototype.hasOwnProperty.call(undefined, 'hasOwnProperty')")
; |
38 | 36 shouldThrow("Object.prototype.propertyIsEnumerable.call(undefined, 'propertyIsEn
umerable')"); |
39 shouldBe("destructiveAddForBoxedInteger({x:1}, 2, 4)", "9"); | 37 shouldThrow("Object.prototype.isPrototypeOf.call(undefined, this)"); |
40 shouldBe("destructiveAddForBoxedInteger({x:2147483647}, 2, 4)", "2147483655"); | |
41 shouldBe("destructiveAddForBoxedInteger({x:2}, 2147483647, 4)", "4294967300"); | |
42 shouldBe("destructiveAddForBoxedInteger({x:2147483647}, 2147483647, 4)", "644245
0945"); | |
43 shouldBe("destructiveAddForBoxedInteger({x:1}, 2, 2147483647)", "2147483652"); | |
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