JezK
Edit File: string-indexof-2.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * 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. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT // OWNER OR 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. var lipsum = "lorem ipsum per se esse fugiendum. itaque aiunt hanc quasi " + "naturalem atque insitam in animis nostris inesse notionem, ut " + "alterum esse appetendum, alterum aspernandum sentiamus. Alii autem," + " quibus ego assentior, cum a philosophis compluribus permulta " + "dicantur, cur nec voluptas in bonis sit numeranda nec in malis " + "dolor, non existimant oportere nimium nos causae confidere, sed et" + " argumentandum et accurate disserendum et rationibus conquisitis de" + " voluptate et dolore disputandum putant.\n" + "Sed ut perspiciatis, unde omnis iste natus error sit voluptatem " + "accusantium doloremque laudantium, totam rem aperiam eaque ipsa," + "quae ab illo inventore veritatis et quasi architecto beatae vitae " + "dicta sunt, explicabo. nemo enim ipsam voluptatem, quia voluptas" + "sit, aspernatur aut odit aut fugit, sed quia consequuntur magni" + " dolores eos, qui ratione voluptatem sequi nesciunt, neque porro" + " quisquam est, qui dolorem ipsum, quia dolor sit, amet, " + "consectetur, adipisci velit, sed quia non numquam eius modi" + " tempora incidunt, ut labore et dolore magnam aliquam quaerat " + "voluptatem. ut enim ad minima veniam, quis nostrum exercitationem " + "ullam corporis suscipit laboriosam, nisi ut aliquid ex ea commodi " + "consequatur? quis autem vel eum iure reprehenderit, qui in ea " + "voluptate velit esse, quam nihil molestiae consequatur, vel illum, " + "qui dolorem eum fugiat, quo voluptas nulla pariatur?\n"; assertEquals(893, lipsum.indexOf("lorem ipsum, quia dolor sit, amet"), "Lipsum"); // test a lot of substrings of differing length and start-position. for(var i = 0; i < lipsum.length; i += 3) { for(var len = 1; i + len < lipsum.length; len += 7) { var substring = lipsum.substring(i, i + len); var index = -1; do { index = lipsum.indexOf(substring, index + 1); assertTrue(index != -1, "Lipsum substring " + i + ".." + (i + len-1) + " not found"); assertEquals(lipsum.substring(index, index + len), substring, "Wrong lipsum substring found: " + i + ".." + (i + len - 1) + "/" + index + ".." + (index + len - 1)); } while (index >= 0 && index < i); assertEquals(i, index, "Lipsum match at " + i + ".." + (i + len - 1)); } }