Experimental: Merge 1395:1441 from bleeding_edge branch to the...

test/mjsunit/regexp-string-methods.js

-// Copyright 2009 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.
-
-// Regexp shouldn't use String.prototype.slice()
-var s = new String("foo");
-assertEquals("f", s.slice(0,1));
-String.prototype.slice = function() { return "x"; }
-assertEquals("x", s.slice(0,1));
-assertEquals("g", /g/.exec("gg"));
-
-// Regexp shouldn't use String.prototype.charAt()
-var f1 = new RegExp("f", "i");
-assertEquals("F", f1.exec("F"));
-assertEquals("f", "foo".charAt(0));
-String.prototype.charAt = function(idx) { return 'g'; };
-assertEquals("g", "foo".charAt(0));
-var f2 = new RegExp("[g]", "i");
-assertEquals("G", f2.exec("G"));
-assertTrue(f2.ignoreCase);
-
-// On the other hand test is defined in a semi-coherent way as a call to exec.
-// 15.10.6.3
-// SpiderMonkey fails this one.
-RegExp.prototype.exec = function(string) { return 'x'; }
-assertTrue(/f/.test('x'));