Migrated several tests from blink to V8 repository.

test/webkit/gmail-re-re.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 // 1.  Redistributions of source code must retain the above copyright
 //     notice, this list of conditions and the following disclaimer.
 // 2.  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.
 //
 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
 
-description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
+description(
+"Bug 7445, bug 7253: Handle Unicode escapes in regexps."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+var I3=/^\s*(fwd|re|aw|antw|antwort|wg|sv|ang|odp|betreff|betr|transf|reenv\.|reenv|in|res|resp|resp\.|enc|\u8f6c\u53d1|\u56DE\u590D|\u041F\u0435\u0440\u0435\u0441\u043B|\u041E\u0442\u0432\u0435\u0442):\s*(.*)$/i;
 
+// Other RegExs from Gmail source
+var Ci=/\s+/g;
+var BC=/^ /;
+var BG=/ $/;
 
+// Strips leading Re or similar (from Gmail source)
+function cy(a) {
+    //var b = I3.exec(a);
+    var b = I3.exec(a);
+
+    if (b) {
+        a = b[2];
+    }
+
+    return Gn(a);
+}
+
+// This function replaces consecutive whitespace with a single space
+// then removes a leading and trailing space if they exist. (From Gmail)
+function Gn(a) {
+    return a.replace(Ci, " ").replace(BC, "").replace(BG, "");
+}
+
+shouldBe('cy("Re: Hello")', '"Hello"');
+shouldBe('cy("Ответ: Hello")', '"Hello"');
+
+// ---------------------------------------------------------------
+
+var regex = /^([^#<\u2264]+)([#<\u2264])(.*)$/;
+shouldBe('regex.exec("24#Midnight").toString()', '"24#Midnight,24,#,Midnight"');