mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
2.1 KiB
48 lines
2.1 KiB
11 years ago
|
// 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 DFG silent spill and fill of WeakJSConstants does not result in nonsense."
|
||
|
|
);
|
||
|
|
|
||
|
|
function foo(a, b, c, d)
|
||
|
|
{
|
||
|
|
a.f = 42; // WeakJSConstants corresponding to the o.f transition get created here.
|
||
|
|
var x = !d; // Silent spilling and filling happens here.
|
||
|
|
b.f = x; // The WeakJSConstants get reused here.
|
||
|
|
var y = !d; // Silent spilling and filling happens here.
|
||
|
|
c.f = y; // The WeakJSConstants get reused here.
|
||
|
|
}
|
||
|
|
|
||
|
|
var Empty = "";
|
||
|
|
|
||
|
|
for (var i = 0; i < 1000; ++i) {
|
||
|
|
var o1 = new Object();
|
||
|
|
var o2 = new Object();
|
||
|
|
var o3 = new Object();
|
||
|
|
eval(Empty + "foo(o1, o2, o3, \"stuff\")");
|
||
|
|
shouldBe("o1.f", "42");
|
||
|
|
shouldBe("o2.f", "false");
|
||
|
|
shouldBe("o3.f", "false");
|
||
|
|
}
|