string-slices-regexp.js revision 69a99ed0b2b2ef69d393c371b03db3a98aaf880e
1// Copyright 2009 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27// 28// Flags: --string-slices 29 30//assertEquals('345"12345 6"1234567"123', 31// '12345""12345 6""1234567""1234'.slice(2,-1).replace(/""/g, '"')); 32 33var foo = "lsdfj sldkfj sdklfj læsdfjl sdkfjlsdk fjsdl fjsdljskdj flsj flsdkj flskd regexp: /foobar/\nldkfj sdlkfj sdkl"; 34for(var i = 0; i < 1000; i++) { 35 assertTrue(/^([a-z]+): (.*)/.test(foo.substring(foo.indexOf("regexp:")))); 36 assertEquals("regexp", RegExp.$1, "RegExp.$1"); 37} 38 39var re = /^(((N({)?)|(R)|(U)|(V)|(B)|(H)|(n((n)|(r)|(v)|(h))?)|(r(r)?)|(v)|(b((n)|(b))?)|(h))|((Y)|(A)|(E)|(o(u)?)|(p(u)?)|(q(u)?)|(s)|(t)|(u)|(w)|(x(u)?)|(y)|(z)|(a((T)|(A)|(L))?)|(c)|(e)|(f(u)?)|(g(u)?)|(i)|(j)|(l)|(m(u)?)))+/; 40var r = new RegExp(re) 41var str = "_Avtnennan gunzvmu pubExnY nEvln vaTxh rmuhguhaTxnY_".slice(1,-1); 42str = str + str; 43assertTrue(r.test(str)); 44assertTrue(r.test(str)); 45var re = /x/; 46assertEquals("a.yb", "_axyb_".slice(1,-1).replace(re, ".")); 47re.compile("y"); 48assertEquals("ax.b", "_axyb_".slice(1,-1).replace(re, ".")); 49re.compile("(x)"); 50assertEquals(["x", "x"], re.exec("_axyb_".slice(1,-1))); 51re.compile("(y)"); 52assertEquals(["y", "y"], re.exec("_axyb_".slice(1,-1))); 53 54for(var i = 0; i < 100; i++) { 55 var a = "aaaaaaaaaaaaaaaaaaaaaaaabbaacabbabaaaaabbaaaabbac".slice(24,-1); 56 var b = "bbaacabbabaaaaabbaaaabba" + a; 57 // The first time, the cons string will be flattened and handled by the 58 // runtime system. 59 assertEquals(["bbaa", "a", "", "a"], /((\3|b)\2(a)){2,}/.exec(b)); 60 // The second time, the cons string is already flattened and will be 61 // handled by generated code. 62 assertEquals(["bbaa", "a", "", "a"], /((\3|b)\2(a)){2,}/.exec(b)); 63 assertEquals(["bbaa", "a", "", "a"], /((\3|b)\2(a)){2,}/.exec(a)); 64 assertEquals(["bbaa", "a", "", "a"], /((\3|b)\2(a)){2,}/.exec(a)); 65} 66 67var c = "ABCDEFGHIJKLMN".slice(2,-2); 68var d = "ABCDEF\u1234GHIJKLMN".slice(2,-2); 69var e = "ABCDEFGHIJKLMN".slice(0,-2); 70assertTrue(/^C.*L$/.test(c)); 71assertTrue(/^C.*L$/.test(c)); 72assertTrue(/^C.*L$/.test(d)); 73assertTrue(/^C.*L$/.test(d)); 74assertTrue(/^A\w{10}L$/.test(e)); 75assertTrue(/^A\w{10}L$/.test(e)); 76 77var e = "qui-opIasd-fghjklzx-cvbn-mqwer-tyuio-pasdf-ghIjkl-zx".slice(6,-6); 78var e_split = e.split("-"); 79assertEquals(e_split[0], "Iasd"); 80assertEquals(e_split[1], "fghjklzx"); 81assertEquals(e_split[6], "ghI"); 82