69590a370f
R=jkummerow@chromium.org Review URL: https://codereview.chromium.org/18068003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15370 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
98 lines
3.3 KiB
JavaScript
98 lines
3.3 KiB
JavaScript
// 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()
|