37 lines
2.0 KiB
JavaScript
37 lines
2.0 KiB
JavaScript
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description("Test to ensure correct behaviour of Object.keys");
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shouldBe("Object.keys({})", "[]");
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shouldBe("Object.keys({a:null})", "['a']");
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shouldBe("Object.keys({a:null, b:null})", "['a', 'b']");
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shouldBe("Object.keys({b:null, a:null})", "['b', 'a']");
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shouldBe("Object.keys([])", "[]");
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shouldBe("Object.keys([null])", "['0']");
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shouldBe("Object.keys([null,null])", "['0','1']");
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shouldBe("Object.keys([null,null,,,,null])", "['0','1','5']");
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shouldBe("Object.keys({__proto__:{a:null}})", "[]");
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shouldBe("Object.keys({__proto__:[1,2,3]})", "[]");
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shouldBe("x=[];x.__proto__=[1,2,3];Object.keys(x)", "[]");
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