Migrated several tests from blink to V8 repository.

test/webkit/regexp-compile.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."
+'Test RegExp.compile method.'
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+re = new RegExp("a", "i");
+shouldBe("re.toString()", "'/a/i'");
 
+re.compile("a");
+shouldBe("re.multiline", "false");
+shouldBe("re.ignoreCase", "false");
+shouldBe("re.global", "false");
+shouldBe("re.test('A')", "false");
+shouldBe("re.toString()", "'/a/'");
 
+re.compile("b", "g");
+shouldBe("re.toString()", "'/b/g'");
+
+re.compile(new RegExp("c"));
+shouldBe("re.toString()", "'/c/'");
+
+re.compile(new RegExp("c", "i"));
+shouldBe("re.ignoreCase", "true");
+shouldBe("re.test('C')", "true");
+shouldBe("re.toString()", "'/c/i'");
+
+shouldThrow("re.compile(new RegExp('c'), 'i');");
+
+// It's OK to supply a second argument, as long as the argument is "undefined".
+re.compile(re, undefined);
+shouldBe("re.toString()", "'/c/i'");
+
+shouldThrow("re.compile(new RegExp('+'));");
+
+re.compile(undefined);
+shouldBe("re.toString()", "'/undefined/'");
+
+re.compile(null);
+shouldBe("re.toString()", "'/null/'");
+
+re.compile();
+shouldBe("re.toString()", "'/(?:)/'");
+
+re.compile("z", undefined);
+shouldBe("re.toString()", "'/z/'");
+
+// Compiling should reset lastIndex.
+re.lastIndex = 100;
+re.compile(/a/g);
+shouldBe("re.lastIndex", "0");
+re.exec("aaa");
+shouldBe("re.lastIndex", "1");