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// 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 a dead use of Math.min(a,b) at least speculates that its arguments are indeed numbers."
);
function foo(a, b) {
Math.min(a.f, b.f);
return 100;
}
function bar(a, b) {
Math.min(a.f, b.f);
return 100;
}
var x = {f:42};
var y = {f:43};
var ok = null;
var expected = 42;
var empty = "";
for (var i = 0; i < 200; ++i) {
if (i == 150) {
x = {f:{valueOf:function(){ ok = i; return 37; }}};
expected = 37;
}
var result = eval(empty + "foo(x, y)");
if (i >= 150)
shouldBe("ok", "" + i);
shouldBe("result", "100");
}
x = {f:42};
y = {f:43};
ok = null;
expected = 42;
for (var i = 0; i < 200; ++i) {
if (i == 150) {
y = {f:{valueOf:function(){ ok = i; return 37; }}};
expected = 37;
}
var result = eval(empty + "bar(x, y)");
if (i >= 150)
shouldBe("ok", "" + i);
shouldBe("result", "100");
}
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