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Diffstat (limited to 'deps/v8/test/webkit/dfg-abs-backwards-propagation.js')
-rw-r--r-- | deps/v8/test/webkit/dfg-abs-backwards-propagation.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-abs-backwards-propagation.js b/deps/v8/test/webkit/dfg-abs-backwards-propagation.js new file mode 100644 index 0000000000..828e2d620e --- /dev/null +++ b/deps/v8/test/webkit/dfg-abs-backwards-propagation.js @@ -0,0 +1,49 @@ +// 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 knows that a function that appears like Math.abs could potentially use value in arbitrary ways, and not just in a context that converts values to numbers." +); + +function foo(f, array, i) { + return f(array[i]); +} + +function bar(value) { + return value; +} + +for (var i = 0; i < 200; ++i) { + var f, array, expected; + if (i == 190) { + f = "bar"; + array = "[, 1.5]"; + expected = "void 0"; + } else { + f = "Math.abs"; + array = "[1.5]"; + expected = "Math.abs(1.5)"; + } + shouldBe("foo(" + f + ", " + array + ", 0)", expected); +} + |