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Diffstat (limited to 'deps/v8/test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js')
| -rw-r--r-- | deps/v8/test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js b/deps/v8/test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js new file mode 100644 index 0000000000..6953ffa466 --- /dev/null +++ b/deps/v8/test/webkit/dfg-cfa-prove-put-by-id-simple-when-storing-to-specialized-function.js @@ -0,0 +1,55 @@ +// 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( +"Checks that the DFG CFA does the right things if it proves that a put_by_id is a simple replace when storing to a specialized function property." +); + +function foo(o, v) { + o.f = v; +} + +// Warm up foo's put_by_id to make it look polymorphic. +for (var i = 0; i < 100; ++i) + foo(i % 2 ? {a: 1} : {b: 2}); + +function bar(f) { + foo(this, f); + return this.f(); +} + +function baz() { + debug("baz!"); + return "baz"; +} + +for (var i = 0; i < 100; ++i) + shouldBe("bar.call({f:baz}, baz)", "\"baz\""); + +function fuzz() { + debug("fuzz!"); + return "fuzz"; +} + +shouldBe("bar.call({f:baz}, fuzz)", "\"fuzz\""); + |