v8/test/webkit/fast/js/array-bad-time.js

56 lines
2.2 KiB
JavaScript

// 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 defining a setter on the Array prototype works even if it is done after arrays are allocated."
);
var ouches = 0;
function foo(haveABadTime) {
var result = [];
result.length = 5;
for (var i = 0; i < result.length; ++i) {
if (i == haveABadTime) {
debug("Henceforth I will have a bad time.");
Array.prototype.__defineSetter__("3", function() { ouches++; });
}
result[i] = i;
}
return result;
}
var expected = "\"0,1,2,3,4\"";
for (var i = 0; i < 1000; ++i) {
var haveABadTime;
if (i == 950) {
haveABadTime = 2;
expected = "\"0,1,2,,4\"";
} else
haveABadTime = -1;
shouldBe("\"" + foo(haveABadTime).join(",") + "\"", expected);
}
shouldBe("ouches", "50");