diff options
Diffstat (limited to 'deps/v8/test/webkit/dfg-to-string-valueOf-in-string.js')
| -rw-r--r-- | deps/v8/test/webkit/dfg-to-string-valueOf-in-string.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-to-string-valueOf-in-string.js b/deps/v8/test/webkit/dfg-to-string-valueOf-in-string.js new file mode 100644 index 0000000000..e591bf7fe7 --- /dev/null +++ b/deps/v8/test/webkit/dfg-to-string-valueOf-in-string.js @@ -0,0 +1,42 @@ +// 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 we do ToString conversions correctly when String.prototype.valueOf is fine but we define our own on the String object itself." +); + +function foo(a) { + for (var i = 0; i < 100; ++i) + a = new String(a); + return a; +} + +var argument = new String("hello"); +for (var i = 0; i < 150; ++i) { + if (i == 100) { + argument = new String("hello"); + argument.valueOf = function() { return 42; } + } + shouldBe("\"\" + foo(argument)", "\"hello\""); +} + |