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