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Diffstat (limited to 'deps/v8/test/webkit/dfg-string-stricteq.js')
| -rw-r--r-- | deps/v8/test/webkit/dfg-string-stricteq.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-string-stricteq.js b/deps/v8/test/webkit/dfg-string-stricteq.js new file mode 100644 index 0000000000..27a809a850 --- /dev/null +++ b/deps/v8/test/webkit/dfg-string-stricteq.js @@ -0,0 +1,52 @@ +// 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)); +} + |