JDK-8016681.js revision 877:cf4d2252d444
1/* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/** 25 * JDK-8016681: regex capture behaves differently than on V8 26 * 27 * @test 28 * @run 29 */ 30 31// regexp similar to the one used in marked.js 32/^((?:[^\n]+\n?(?!( *[-*_]){3,} *(?:\n+|$)| *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)|([^\n]+)\n *(=|-){3,} *\n*))+)\n*/ 33 .exec("a\n\nb") 34 .forEach(function(e) { print(e); }); 35 36// simplified regexp 37/(x(?!(a))(?!(b))y)/ 38 .exec("xy") 39 .forEach(function(e) { print(e); }); 40 41// should not match as cross-negative-lookeahead backreference \2 should be undefined 42print(/(x(?!(a))(?!(b)\2))/.exec("xbc")); 43