Migrate more tests from blink repository.

test/webkit/fast/regex/parentheses.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 page tests handling of parentheses subexpressions.");
+
+var regexp1 = /(a|A)(b|B)/;
+shouldBe("regexp1.exec('abc')", "['ab','a','b']");
+
+var regexp2 = /(a((b)|c|d))e/;
+shouldBe("regexp2.exec('abacadabe')", "['abe','ab','b','b']");
+
+var regexp3 = /(a(b|(c)|d))e/;
+shouldBe("regexp3.exec('abacadabe')", "['abe','ab','b',undefined]");
+
+var regexp4 = /(a(b|c|(d)))e/;
+shouldBe("regexp4.exec('abacadabe')", "['abe','ab','b',undefined]");
+
+var regexp5 = /(a((b)|(c)|(d)))e/;
+shouldBe("regexp5.exec('abacadabe')", "['abe','ab','b','b',undefined,undefined]");
+
+var regexp6 = /(a((b)|(c)|(d)))/;
+shouldBe("regexp6.exec('abcde')", "['ab','ab','b','b',undefined,undefined]");
+
+var regexp7 = /(a(b)??)??c/;
+shouldBe("regexp7.exec('abc')", "['abc','ab','b']");
+
+var regexp8 = /(a|(e|q))(x|y)/;
+shouldBe("regexp8.exec('bcaddxqy')" , "['qy','q','q','y']");
+
+var regexp9 = /((t|b)?|a)$/;
+shouldBe("regexp9.exec('asdfjejgsdflaksdfjkeljghkjea')", "['a','a',undefined]");
+
+var regexp10 = /(?:h|e?(?:t|b)?|a?(?:t|b)?)(?:$)/;
+shouldBe("regexp10.exec('asdfjejgsdflaksdfjkeljghat')", "['at']");
+
+var regexp11 = /([Jj]ava([Ss]cript)?)\sis\s(fun\w*)/;
+shouldBeNull("regexp11.exec('Developing with JavaScript is dangerous, do not try it without assistance')");
+
+var regexp12 = /(?:(.+), )?(.+), (..) to (?:(.+), )?(.+), (..)/;
+shouldBe("regexp12.exec('Seattle, WA to Buckley, WA')", "['Seattle, WA to Buckley, WA', undefined, 'Seattle', 'WA', undefined, 'Buckley', 'WA']");
+
+var regexp13 = /(A)?(A.*)/;
+shouldBe("regexp13.exec('zxcasd;fl\ ^AaaAAaaaf;lrlrzs')", "['AaaAAaaaf;lrlrzs',undefined,'AaaAAaaaf;lrlrzs']");
+
+var regexp14 = /(a)|(b)/;
+shouldBe("regexp14.exec('b')", "['b',undefined,'b']");
+
+var regexp15 = /^(?!(ab)de|x)(abd)(f)/;
+shouldBe("regexp15.exec('abdf')", "['abdf',undefined,'abd','f']");
+
+var regexp16 = /(a|A)(b|B)/;
+shouldBe("regexp16.exec('abc')", "['ab','a','b']");
+
+var regexp17 = /(a|d|q|)x/i;
+shouldBe("regexp17.exec('bcaDxqy')", "['Dx','D']");
+
+var regexp18 = /^.*?(:|$)/;
+shouldBe("regexp18.exec('Hello: World')", "['Hello:',':']");
+
+var regexp19 = /(ab|^.{0,2})bar/;
+shouldBe("regexp19.exec('barrel')", "['bar','']");
+
+var regexp20 = /(?:(?!foo)...|^.{0,2})bar(.*)/;
+shouldBe("regexp20.exec('barrel')", "['barrel','rel']");
+shouldBe("regexp20.exec('2barrel')", "['2barrel','rel']");
+
+var regexp21 = /([a-g](b|B)|xyz)/;
+shouldBe("regexp21.exec('abc')", "['ab','ab','b']");
+
+var regexp22 = /(?:^|;)\s*abc=([^;]*)/;
+shouldBeNull("regexp22.exec('abcdlskfgjdslkfg')");
+
+var regexp23 = /"[^<"]*"|'[^<']*'/;
+shouldBe("regexp23.exec('<html xmlns=\"http://www.w3.org/1999/xhtml\"')", "['\"http://www.w3.org/1999/xhtml\"']");
+
+var regexp24 = /^(?:(?=abc)\w{3}:|\d\d)$/;
+shouldBeNull("regexp24.exec('123')");
+
+var regexp25 = /^\s*(\*|[\w\-]+)(\b|$)?/;
+shouldBe("regexp25.exec('this is a test')", "['this','this',undefined]");
+shouldBeNull("regexp25.exec('!this is a test')");
+
+var regexp26 = /a(b)(a*)|aaa/;
+shouldBe("regexp26.exec('aaa')", "['aaa',undefined,undefined]");
+
+var regexp27 = new RegExp(
+    "^" +
+    "(?:" +
+        "([^:/?#]+):" + /* scheme */
+    ")?" +
+    "(?:" +
+        "(//)" + /* authorityRoot */
+        "(" + /* authority */
+            "(?:" +
+                "(" + /* userInfo */
+                    "([^:@]*)" + /* user */
+                    ":?" +
+                    "([^:@]*)" + /* password */
+                ")?" +
+                "@" +
+            ")?" +
+            "([^:/?#]*)" + /* domain */
+            "(?::(\\d*))?" + /* port */
+        ")" +
+    ")?" +
+    "([^?#]*)" + /*path*/
+    "(?:\\?([^#]*))?" + /* queryString */
+    "(?:#(.*))?" /*fragment */
+);
+shouldBe("regexp27.exec('file:///Users/Someone/Desktop/HelloWorld/index.html')", "['file:///Users/Someone/Desktop/HelloWorld/index.html','file','//','',undefined,undefined,undefined,'',undefined,'/Users/Someone/Desktop/HelloWorld/index.html',undefined,undefined]");
+
+var regexp28 = new RegExp(
+    "^" +
+    "(?:" +
+        "([^:/?#]+):" + /* scheme */
+    ")?" +
+    "(?:" +
+        "(//)" + /* authorityRoot */
+        "(" + /* authority */
+            "(" + /* userInfo */
+                "([^:@]*)" + /* user */
+                ":?" +
+                "([^:@]*)" + /* password */
+            ")?" +
+            "@" +
+        ")" +
+    ")?"
+);
+shouldBe("regexp28.exec('file:///Users/Someone/Desktop/HelloWorld/index.html')", "['file:','file',undefined,undefined,undefined,undefined,undefined]");
+
+var regexp29 = /^\s*((\[[^\]]+\])|(u?)("[^"]+"))\s*/;
+shouldBeNull("regexp29.exec('Committer:')");
+
+var regexp30 = /^\s*((\[[^\]]+\])|m(u?)("[^"]+"))\s*/;
+shouldBeNull("regexp30.exec('Committer:')");
+
+var regexp31 = /^\s*(m(\[[^\]]+\])|m(u?)("[^"]+"))\s*/;
+shouldBeNull("regexp31.exec('Committer:')");
+
+var regexp32 = /\s*(m(\[[^\]]+\])|m(u?)("[^"]+"))\s*/;
+shouldBeNull("regexp32.exec('Committer:')");
+
+var regexp33 = RegExp('^(?:(?:(a)(xyz|[^>"\'\s]*)?)|(/?>)|.[^\w\s>]*)');
+shouldBe("regexp33.exec('> <head>')","['>',undefined,undefined,'>']");
+
+var regexp34 = /(?:^|\b)btn-\S+/;
+shouldBeNull("regexp34.exec('xyz123')");
+shouldBe("regexp34.exec('btn-abc')","['btn-abc']");
+shouldBeNull("regexp34.exec('btn- abc')");
+shouldBeNull("regexp34.exec('XXbtn-abc')");
+shouldBe("regexp34.exec('XX btn-abc')","['btn-abc']");
+
+var regexp35 = /^((a|b)(x|xxx)|)$/;
+shouldBe("regexp35.exec('ax')", "['ax','ax','a','x']");
+shouldBeNull("regexp35.exec('axx')");
+shouldBe("regexp35.exec('axxx')", "['axxx','axxx','a','xxx']");
+shouldBe("regexp35.exec('bx')", "['bx','bx','b','x']");
+shouldBeNull("regexp35.exec('bxx')");
+shouldBe("regexp35.exec('bxxx')", "['bxxx','bxxx','b','xxx']");
+
+var regexp36 = /^((\/|\.|\-)(\d\d|\d\d\d\d)|)$/;
+shouldBe("regexp36.exec('/2011')", "['/2011','/2011','/','2011']");
+shouldBe("regexp36.exec('/11')", "['/11','/11','/','11']");
+shouldBeNull("regexp36.exec('/123')");
+
+var regexp37 = /^([1][0-2]|[0]\d|\d)(\/|\.|\-)([0-2]\d|[3][0-1]|\d)((\/|\.|\-)(\d\d|\d\d\d\d)|)$/;
+shouldBe("regexp37.exec('7/4/1776')", "['7/4/1776','7','/','4','/1776','/','1776']");
+shouldBe("regexp37.exec('07-04-1776')", "['07-04-1776','07','-','04','-1776','-','1776']");
+
+var regexp38 = /^(z|(x|xx)|b|)$/;
+shouldBe("regexp38.exec('xx')", "['xx','xx','xx']");
+shouldBe("regexp38.exec('b')", "['b','b',undefined]");
+shouldBe("regexp38.exec('z')", "['z','z',undefined]");
+shouldBe("regexp38.exec('')", "['','',undefined]");
+
+var regexp39 = /(8|((?=P)))?/;
+shouldBe("regexp39.exec('')", "['',undefined,undefined]");
+shouldBe("regexp39.exec('8')", "['8','8',undefined]");
+shouldBe("regexp39.exec('zP')", "['',undefined,undefined]");
+
+var regexp40 = /((8)|((?=P){4}))?()/;
+shouldBe("regexp40.exec('')", "['',undefined,undefined,undefined,'']");
+shouldBe("regexp40.exec('8')", "['8','8','8',undefined,'']");
+shouldBe("regexp40.exec('zPz')", "['',undefined,undefined,undefined,'']");
+shouldBe("regexp40.exec('zPPz')", "['',undefined,undefined,undefined,'']");
+shouldBe("regexp40.exec('zPPPz')", "['',undefined,undefined,undefined,'']");
+shouldBe("regexp40.exec('zPPPPz')", "['',undefined,undefined,undefined,'']");
+
+var regexp41 = /(([\w\-]+:\/\/?|www[.])[^\s()<>]+(?:([\w\d]+)|([^\[:punct:\]\s()<>\W]|\/)))/;
+shouldBe("regexp41.exec('Here is a link: http://www.acme.com/our_products/index.html. That is all we want!')", "['http://www.acme.com/our_products/index.html','http://www.acme.com/our_products/index.html','http://','l',undefined]");
+
+var regexp42 = /((?:(4)?))?/;
+shouldBe("regexp42.exec('')", "['',undefined,undefined]");
+shouldBe("regexp42.exec('4')", "['4','4','4']");
+shouldBe("regexp42.exec('4321')", "['4','4','4']");
+
+shouldBeTrue("/(?!(?=r{0}){2,})|((z)?)?/gi.test('')");
+
+var regexp43 = /(?!(?:\1+s))/;
+shouldBe("regexp43.exec('SSS')", "['']");
+
+var regexp44 = /(?!(?:\3+(s+?)))/g;
+shouldBe("regexp44.exec('SSS')", "['',undefined]");
+
+var regexp45 = /((?!(?:|)v{2,}|))/;
+shouldBeNull("regexp45.exec('vt')");
+
+var regexp46 = /(w)(?:5{3}|())|pk/;
+shouldBeNull("regexp46.exec('5')");
+shouldBe("regexp46.exec('pk')", "['pk',undefined,undefined]");
+shouldBe("regexp46.exec('Xw555')", "['w555','w',undefined]");
+shouldBe("regexp46.exec('Xw55pk5')", "['w','w','']");
+
+var regexp47 = /(.*?)(?:(?:\?(.*?)?)?)(?:(?:#)?)$/;
+shouldBe("regexp47.exec('/www.acme.com/this/is/a/path/file.txt')", "['/www.acme.com/this/is/a/path/file.txt','/www.acme.com/this/is/a/path/file.txt',undefined]");
+
+var regexp48 = /^(?:(\w+):\/*([\w\.\-\d]+)(?::(\d+)|)(?=(?:\/|$))|)(?:$|\/?(.*?)(?:\?(.*?)?|)(?:#(.*)|)$)/;
+/* The regexp on the prior line confuses Xcode syntax highlighting, this coment fixes it! */
+shouldBe("regexp48.exec('http://www.acme.com/this/is/a/path/file.txt')", "['http://www.acme.com/this/is/a/path/file.txt','http','www.acme.com',undefined,'this/is/a/path/file.txt',undefined,undefined]");
+
+var regexp49 = /(?:([^:]*?)(?:(?:\?(.*?)?)?)(?:(?:#)?)$)|(?:^(?:(\w+):\/*([\w\.\-\d]+)(?::(\d+)|)(?=(?:\/|$))|)(?:$|\/?(.*?)(?:\?(.*?)?|)(?:#(.*)|)$))/;
+/* The regexp on the prior line confuses Xcode syntax highlighting, this coment fixes it! */
+shouldBe("regexp49.exec('http://www.acme.com/this/is/a/path/file.txt')", "['http://www.acme.com/this/is/a/path/file.txt',undefined,undefined,'http','www.acme.com',undefined,'this/is/a/path/file.txt',undefined,undefined]");
+
+var regexp50 = /((a)b{28,}c|d)x/;
+shouldBeNull("regexp50.exec('((a)b{28,}c|d)x')");
+shouldBe("regexp50.exec('abbbbbbbbbbbbbbbbbbbbbbbbbbbbcx')", "['abbbbbbbbbbbbbbbbbbbbbbbbbbbbcx', 'abbbbbbbbbbbbbbbbbbbbbbbbbbbbc', 'a']");
+shouldBe("regexp50.exec('dx')", "['dx', 'd', undefined]");
+
+var s = "((.\s{-}).{28,}\P{Yi}?{,30}\|.)\x9e{-,}\P{Any}";
+var regexp51 = new RegExp(s);
+shouldBeNull("regexp51.exec('abc')");
+shouldBe("regexp51.exec(s)", "[')\x9e{-,}P{Any}',')',undefined]");
+
+var regexp52 = /(Rob)|(Bob)|(Robert)|(Bobby)/;
+shouldBe("'Hi Bob'.match(regexp52)", "['Bob',undefined,'Bob',undefined,undefined]");
+
+// Test cases discovered by fuzzing that crashed the compiler.
+var regexp53 = /(?=(?:(?:(gB)|(?!cs|<))((?=(?!v6){0,})))|(?=#)+?)/m;
+shouldBe("regexp53.exec('#')", "['',undefined,'']");
+var regexp54 = /((?:(?:()|(?!))((?=(?!))))|())/m;
+shouldBe("regexp54.exec('#')", "['','',undefined,undefined,'']");
+var regexp55 = /(?:(?:(?:a?|(?:))((?:)))|a?)/m;
+shouldBe("regexp55.exec('#')", "['','']");
+
+// Test evaluation order of empty subpattern alternatives.
+var regexp56 = /(|a)/;
+shouldBe("regexp56.exec('a')", "['','']");
+var regexp57 = /(a|)/;
+shouldBe("regexp57.exec('a')", "['a','a']");
+
+// Tests that non-greedy repeat quantified parentheses will backtrack through multiple frames of subpattern matches.
+var regexp58 = /a|b(?:[^b])*?c/;
+shouldBe("regexp58.exec('badbc')", "['a']");
+var regexp59 = /(X(?:.(?!X))*?Y)|(Y(?:.(?!Y))*?Z)/g;
+shouldBe("'Y aaa X Match1 Y aaa Y Match2 Z'.match(regexp59)", "['X Match1 Y','Y Match2 Z']");
+