Migrate more tests from blink repository.

test/webkit/fast/js/regexp-no-extensions.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 that regular expressions do not have extensions that diverge from the JavaScript specification. '
++ 'Because WebKit originally used a copy of PCRE, various non-JavaScript regular expression features were historically present. '
++ 'Also tests various related edge cases.'
+);
+
+shouldBe('/\\x{41}/.exec("yA1")', 'null');
+shouldBe('/[\\x{41}]/.exec("yA1").toString()', '"1"');
+shouldBe('/\\x1g/.exec("x1g").toString()', '"x1g"');
+shouldBe('/[\\x1g]/.exec("x").toString()', '"x"');
+shouldBe('/[\\x1g]/.exec("1").toString()', '"1"');
+shouldBe('/\\2147483648/.exec(String.fromCharCode(140) + "7483648").toString()', 'String.fromCharCode(140) + "7483648"');
+shouldBe('/\\4294967296/.exec("\\"94967296").toString()', '"\\"94967296"');
+shouldBe('/\\8589934592/.exec("\\\\8589934592").toString()', '"\\\\8589934592"');
+shouldBe('"\\nAbc\\n".replace(/(\\n)[^\\n]+$/, "$1")', '"\\nAbc\\n"');
+shouldBe('/x$/.exec("x\\n")', 'null');
+shouldThrow('/x++/');
+shouldBe('/[]]/.exec("]")', 'null');
+
+debug('');
+debug('Octal escape sequences are in Annex B of the standard.');
+debug('');
+
+shouldBe('/\\060/.exec("y01").toString()', '"0"');
+shouldBe('/[\\060]/.exec("y01").toString()', '"0"');
+shouldBe('/\\606/.exec("y06").toString()', '"06"');
+shouldBe('/[\\606]/.exec("y06").toString()', '"0"');
+shouldBe('/[\\606]/.exec("y6").toString()', '"6"');
+shouldBe('/\\101/.exec("yA1").toString()', '"A"');
+shouldBe('/[\\101]/.exec("yA1").toString()', '"A"');
+shouldBe('/\\1011/.exec("yA1").toString()', '"A1"');
+shouldBe('/[\\1011]/.exec("yA1").toString()', '"A"');
+shouldBe('/[\\1011]/.exec("y1").toString()', '"1"');
+shouldBe('/\\10q/.exec("y" + String.fromCharCode(8) + "q").toString()', 'String.fromCharCode(8) + "q"');
+shouldBe('/[\\10q]/.exec("y" + String.fromCharCode(8) + "q").toString()', 'String.fromCharCode(8)');
+shouldBe('/\\1q/.exec("y" + String.fromCharCode(1) + "q").toString()', 'String.fromCharCode(1) + "q"');
+shouldBe('/[\\1q]/.exec("y" + String.fromCharCode(1) + "q").toString()', 'String.fromCharCode(1)');
+shouldBe('/[\\1q]/.exec("yq").toString()', '"q"');
+shouldBe('/\\8q/.exec("\\\\8q").toString()', '"\\\\8q"');
+shouldBe('/[\\8q]/.exec("y8q").toString()', '"8"');
+shouldBe('/[\\8q]/.exec("yq").toString()', '"q"');
+shouldBe('/(x)\\1q/.exec("xxq").toString()', '"xxq,x"');
+shouldBe('/(x)[\\1q]/.exec("xxq").toString()', '"xq,x"');
+shouldBe('/(x)[\\1q]/.exec("xx" + String.fromCharCode(1)).toString()', '"x" + String.fromCharCode(1) + ",x"');
+
+debug('');