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Diffstat (limited to 'deps/v8/test/mjsunit/regress/regress-2438.js')
| -rw-r--r-- | deps/v8/test/mjsunit/regress/regress-2438.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-2438.js b/deps/v8/test/mjsunit/regress/regress-2438.js new file mode 100644 index 0000000000..3f4fd7df57 --- /dev/null +++ b/deps/v8/test/mjsunit/regress/regress-2438.js @@ -0,0 +1,52 @@ +// Copyright 2012 the V8 project authors. All rights reserved. +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * 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. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived +// from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT +// OWNER OR 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. + +function testSideEffects(subject, re) { + var counter = 0; + var side_effect_object = { valueOf: function() { return counter++; } }; + re.lastIndex = side_effect_object; + re.exec(subject); + assertEquals(1, counter); + + re.lastIndex = side_effect_object; + re.test(subject); + assertEquals(2, counter); + + re.lastIndex = side_effect_object; + subject.match(re); + assertEquals(3, counter); + + re.lastIndex = side_effect_object; + subject.replace(re, ""); + assertEquals(4, counter); +} + +testSideEffects("zzzz", /a/); +testSideEffects("zzzz", /a/g); +testSideEffects("xaxa", /a/); +testSideEffects("xaxa", /a/g); + |