0dece535d9
BUG: 52801 Review URL: http://codereview.chromium.org/3389022 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5504 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
72 lines
2.7 KiB
JavaScript
72 lines
2.7 KiB
JavaScript
// Copyright 2010 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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// Whenever we enter a with-scope, we copy the context. This in itself is fine
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// (contexts may escape), but when leaving a with-scope, we currently also copy
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// the context instead of reverting to the original. This does not work because
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// inner functions may already have been created using the original context. In
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// the failing test case below, the inner function is run in the original context
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// (where x is undefined), but the assignment to x after the with-statement is
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// run in the copied context:
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// RegExp caching doesn't set lastIndex correctly.
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// See http://code.google.com/p/chromium/issues/detail?id=52801
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var re = /a/g;
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var str = "bbbbabbbbabbbb";
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// Test
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re.test(str);
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assertEquals(5, re.lastIndex);
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re.lastIndex = 0;
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re.test(str);
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assertEquals(5, re.lastIndex); // Fails if caching.
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re.lastIndex = 0;
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re.test(str);
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assertEquals(5, re.lastIndex); // Fails if caching.
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// Exec
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re = /a/g;
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re.exec(str);
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assertEquals(5, re.lastIndex);
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re.lastIndex = 0;
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re.exec(str);
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assertEquals(5, re.lastIndex); // Fails if caching.
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re.lastIndex = 0;
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re.exec(str);
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assertEquals(5, re.lastIndex); // Fails if caching.
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