diff options
Diffstat (limited to 'deps/v8/test/webkit/for-in-cached.js')
-rw-r--r-- | deps/v8/test/webkit/for-in-cached.js | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/for-in-cached.js b/deps/v8/test/webkit/for-in-cached.js new file mode 100644 index 0000000000..1842d61293 --- /dev/null +++ b/deps/v8/test/webkit/for-in-cached.js @@ -0,0 +1,97 @@ +// Copyright 2013 the V8 project authors. All rights reserved. +// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY +// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY +// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +description( +"This tests that for/in statements behave correctly when cached." +); + +function forIn1() { + var result = []; + var o = { x: 1 }; + for (var p in o) + result.push(p); + return result; +} +forIn1(); +Object.prototype.y = 2; +shouldBe("forIn1()", "['x', 'y']"); +delete Object.prototype.y; + +function forIn2() { + var result = []; + var o = { x: 1, __proto__: null }; + for (var p in o) + result.push(p); + return result; +} +forIn2(); +shouldBe("forIn2()", "['x']"); + +function forIn3(proto) { + var result = []; + var o = { x: 1, __proto__: proto }; + for (var p in o) + result.push(p); + return result; +} +forIn3({ __proto__: { y1: 2 } }); +forIn3({ __proto__: { y1: 2 } }); +shouldBe("forIn3({ __proto__: { y1: 2 } })", "['x', 'y1']"); + +forIn3({ y2 : 2, __proto__: null }); +forIn3({ y2 : 2, __proto__: null }); +shouldBe("forIn3({ y2 : 2, __proto__: null })", "['x', 'y2']"); + +forIn3({ __proto__: { __proto__: { y3 : 2 } } }); +forIn3({ __proto__: { __proto__: { y3 : 2 } } }); +shouldBe("forIn3({ __proto__: { __proto__: { y3 : 2 } } })", "['x', 'y3']"); + +function forIn4(o) { + var result = []; + for (var p in o) + result.push(p); + return result; +} +var objectWithArrayAsProto = {}; +objectWithArrayAsProto.__proto__ = []; +shouldBe("forIn4(objectWithArrayAsProto)", "[]"); +objectWithArrayAsProto.__proto__[0]=1; +shouldBe("forIn4(objectWithArrayAsProto)", "['0']"); + +function forIn5(o) { + for (var i in o) + return [i, o[i]]; +} + +shouldBe("forIn5({get foo() { return 'called getter'} })", "['foo', 'called getter']"); +shouldBe("forIn5({set foo() { } })", "['foo', undefined]"); +shouldBe("forIn5({get foo() { return 'called getter'}, set foo() { }})", "['foo', 'called getter']"); + +function cacheClearing() { + for(var j=0; j < 10; j++){ + var o = {a:1,b:2,c:3,d:4,e:5} + try {for (i in o) { delete o.a; o = null; throw "" };}finally{continue} + } +} + +cacheClearing() |