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51 lines
2.1 KiB
51 lines
2.1 KiB
// 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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"Tests that the DFG does the right thing on strict equality for known strings."
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);
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function foo(a, b) {
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a = a.f;
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b = b.f;
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var c = a.length + b.length;
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return [c, a === b];
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}
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function bar(a, b) {
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a = a.f;
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b = b.f;
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var c = a.length + b.length;
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if (a === b)
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return c + 1;
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else
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return c - 1;
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}
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for (var i = 0; i < 1000; ++i) {
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var a = "blah" + i;
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var b = "blah" + (1000 - i);
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var areEqual = i == 500;
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shouldBe("foo({f:\"" + a + "\"}, {f:\"" + b + "\"})", "[" + (a.length + b.length) + ", " + areEqual + "]");
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shouldBe("bar({f:\"" + a + "\"}, {f:\"" + b + "\"})", "" + (areEqual ? a.length + b.length + 1 : a.length + b.length - 1));
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}
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