src/v8/test/webkit/dfg-other-branch.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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// 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.
//
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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description(
"This tests that speculating other on a branch does not corrupt state."
);

function foo(a) {
    if (a.f)
        return "yes";
    else
        return "no";
}

function bar(a) {
    return !a.f;
}

for (var i = 0; i < 100; ++i)
    foo({f:void(0)});

for (var i = 0; i < 10; ++i)
    shouldBe("foo({f:i})", i ? "\"yes\"" : "\"no\"");

for (var i = 0; i < 100; ++i)
    bar({f:void(0)});

for (var i = 0; i < 10; ++i)
    shouldBe("bar({f:i})", i ? "false" : "true");

var successfullyParsed = true;