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48 lines
3.0 KiB
48 lines
3.0 KiB
11 years ago
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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(
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"This tests that we can correctly call Function.prototype.call in the DFG, but more precisely, that we give the correct this object in case it is undefined"
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);
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var myObject = { call: function() { return [myObject, "myObject.call"] } };
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var myFunction = function (arg1) { return [this, "myFunction", arg1] };
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var myFunctionWithCall = function (arg1) { return [this, "myFunctionWithCall", arg1] };
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myFunctionWithCall.call = function (arg1) { return [this, "myFunctionWithCall.call", arg1] };
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Function.prototype.aliasedCall = Function.prototype.call;
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for (var i = 0; i < 100; ++i) {
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shouldBe("myObject.call()", '[myObject, "myObject.call"]');
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shouldBe("myFunction('arg1')", '[this, "myFunction", "arg1"]');
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shouldBe("myFunction.call(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
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shouldBe("myFunction.call()", '[this, "myFunction", undefined]');
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shouldBe("myFunction.call(null)", '[this, "myFunction", undefined]');
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shouldBe("myFunction.call(undefined)", '[this, "myFunction", undefined]');
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shouldBe("myFunction.aliasedCall(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
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shouldBe("myFunction.aliasedCall()", '[this, "myFunction", undefined]');
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shouldBe("myFunction.aliasedCall(null)", '[this, "myFunction", undefined]');
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shouldBe("myFunction.aliasedCall(undefined)", '[this, "myFunction", undefined]');
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shouldBe("myFunctionWithCall.call(myObject, 'arg1')", '[myFunctionWithCall, "myFunctionWithCall.call", myObject]');
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shouldBe("myFunctionWithCall.aliasedCall(myObject, 'arg1')", '[myObject, "myFunctionWithCall", "arg1"]');
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}
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