88 lines
3.1 KiB
JavaScript
88 lines
3.1 KiB
JavaScript
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description(
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"Tests that passing the global object to an array access that will arrayify to NonArrayWithArrayStorage doesn't break things."
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);
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function foo(array) {
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var result = 0;
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for (var i = 0; i < array.length; ++i)
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result += array[i];
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return result;
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}
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function bar(array) {
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array[1] = 42;
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}
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var array = {};
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array.length = 3;
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array[0] = 1;
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array[1] = 2;
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array[2] = 3;
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for (var i = 0; i < 200; ++i) {
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shouldBe("foo(array)", "6");
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var otherArray = {};
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bar(otherArray);
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shouldBe("otherArray[1]", "42");
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}
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for (var i = 0; i < 1000; ++i) {
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// Do strange things to ensure that the get_by_id on length goes polymorphic.
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var array = {};
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if (i % 2)
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array.x = 42;
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array.length = 3;
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array[0] = 1;
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array[2] = 3;
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array.__defineGetter__(1, function() { return 6; });
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shouldBe("foo(array)", "10");
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var otherArray = {};
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otherArray.__defineSetter__(0, function(value) { throw "error"; });
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bar(otherArray);
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shouldBe("otherArray[1]", "42");
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}
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var w = this;
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w[0] = 1;
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w.length = 1;
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var thingy = false;
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w.__defineSetter__(1, function(value) { thingy = value; });
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shouldBe("foo(w)", "1");
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shouldBe("thingy", "false");
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// At this point we check to make sure that bar doesn't end up either creating array storage for
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// the window proxy, or equally badly, storing to the already created array storage on the proxy
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// (since foo() may have made the mistake of creating array storage). That's why we do the setter
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// thingy, to detect that for index 1 we fall through the proxy to the real window object.
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bar(w);
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shouldBe("thingy", "42");
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shouldBe("foo(w)", "1");
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w.length = 2;
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shouldBe("foo(w)", "0/0");
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