fe6fc554b0
FlatContent is not GC-safe. R=verwaest@chromium.org BUG= Review URL: https://chromiumcodereview.appspot.com/13782002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14175 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
52 lines
2.4 KiB
JavaScript
52 lines
2.4 KiB
JavaScript
// Copyright 2012 the V8 project authors. All rights reserved.
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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 are
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// met:
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//
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// * 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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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var a = [];
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var new_space_string = "";
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for (var i = 0; i < 128; i++) {
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new_space_string += String.fromCharCode((Math.random() * 26 + 65) | 0);
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}
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for (var i = 0; i < 10000; i++) a.push(new_space_string);
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// At some point during the first stringify, allocation causes a GC and
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// new_space_string is moved to old space. Make sure that this does not
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// screw up reading from the correct location.
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json1 = JSON.stringify(a);
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json2 = JSON.stringify(a);
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assertTrue(json1 == json2, "GC caused JSON.stringify to fail.");
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// Check that the slow path of JSON.stringify works correctly wrt GC.
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for (var i = 0; i < 100000; i++) {
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var s = i.toString();
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assertEquals('"' + s + '"', JSON.stringify(s, null, 0));
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}
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for (var i = 0; i < 100000; i++) {
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var s = i.toString() + "\u2603";
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assertEquals('"' + s + '"', JSON.stringify(s, null, 0));
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}
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