diff options
Diffstat (limited to 'deps/v8/test/webkit/dfg-convert-this-polymorphic-object-then-exit-on-string.js')
-rw-r--r-- | deps/v8/test/webkit/dfg-convert-this-polymorphic-object-then-exit-on-string.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-convert-this-polymorphic-object-then-exit-on-string.js b/deps/v8/test/webkit/dfg-convert-this-polymorphic-object-then-exit-on-string.js new file mode 100644 index 0000000000..14a4ecf24f --- /dev/null +++ b/deps/v8/test/webkit/dfg-convert-this-polymorphic-object-then-exit-on-string.js @@ -0,0 +1,45 @@ +// 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 a convert_this optimized for the case where this is an object with polymorphic structure behaves correctly when you then pass a string." +); + +function foo() { + return this.x; +} + +x = 42; + +String.prototype.x = 42; + +for (var i = 0; i < 1000; ++i) { + var me; + if (i < 150) + me = this; + else if (i < 950) + me = {x:42, y:62}; + else + me = "hello"; + shouldBe("foo.call(me)", "42"); +} |