Migrate more tests from blink repository.

test/webkit/fast/regex/ecma-regex-examples.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(
-"This tests that a patchable GetById right after a watchpoint has the appropriate nop padding."
+"This page tests the regex examples from the ECMA-262 specification."
 );
 
-function foo(o, p) {
-    var a = p.f;
-    var b = o.f; // Watchpoint.
-    var c = p.g; // Patchable GetById.
-    return b(a + c);
-}
+var regex01 = /a|ab/;
+shouldBe('regex01.exec("abc")', '["a"]');
 
-function O() {
-}
+var regex02 = /((a)|(ab))((c)|(bc))/;
+shouldBe('regex02.exec("abc")', '["abc", "a", "a", undefined, "bc", undefined, "bc"]');
 
-O.prototype.f = function(x) { return x + 1; };
+var regex03 = /a[a-z]{2,4}/;
+shouldBe('regex03.exec("abcdefghi")', '["abcde"]');
 
-var o = new O();
+var regex04 = /a[a-z]{2,4}?/;
+shouldBe('regex04.exec("abcdefghi")', '["abc"]');
 
-function P1() {
-}
+var regex05 = /(aa|aabaac|ba|b|c)*/;
+shouldBe('regex05.exec("aabaac")', '["aaba", "ba"]');
 
-P1.prototype.g = 42;
+var regex06 = /^(a+)\1*,\1+$/;
+shouldBe('"aaaaaaaaaa,aaaaaaaaaaaaaaa".replace(regex06,"$1")', '"aaaaa"');
 
-function P2() {
-}
+var regex07 = /(z)((a+)?(b+)?(c))*/;
+shouldBe('regex07.exec("zaacbbbcac")', '["zaacbbbcac", "z", "ac", "a", undefined, "c"]');
 
-P2.prototype.g = 24;
+var regex08 = /(a*)*/;
+shouldBe('regex08.exec("b")', '["", undefined]');
 
-var p1 = new P1();
-var p2 = new P2();
+var regex09 = /(a*)b\1+/;
+shouldBe('regex09.exec("baaaac")', '["b", ""]');
 
-p1.f = 1;
-p2.f = 2;
+var regex10 = /(?=(a+))/;
+shouldBe('regex10.exec("baaabac")', '["", "aaa"]');
 
-for (var i = 0; i < 200; ++i) {
-    var p = (i % 2) ? p1 : p2;
-    var expected = (i % 2) ? 44 : 27;
-    if (i == 150) {
-        // Cause first the watchpoint on o.f to fire, and then the GetById
-        // to be reset.
-        O.prototype.g = 57; // Fire the watchpoint.
-        P1.prototype.h = 58; // Reset the GetById.
-        P2.prototype.h = 59; // Not necessary, but what the heck - this resets the GetById even more.
-    }
-    shouldBe("foo(o, p)", "" + expected);
-}
+var regex11 = /(?=(a+))a*b\1/;
+shouldBe('regex11.exec("baaabac")', '["aba", "a"]');
 
+var regex12 = /(.*?)a(?!(a+)b\2c)\2(.*)/;
+shouldBe('regex12.exec("baaabaac")', '["baaabaac", "ba", undefined, "abaac"]');