hannesw@1841: /*
hannesw@1841:  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
hannesw@1841:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
hannesw@1841:  *
hannesw@1841:  * This code is free software; you can redistribute it and/or modify it
hannesw@1841:  * under the terms of the GNU General Public License version 2 only, as
hannesw@1841:  * published by the Free Software Foundation.
hannesw@1841:  *
hannesw@1841:  * This code is distributed in the hope that it will be useful, but WITHOUT
hannesw@1841:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
hannesw@1841:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
hannesw@1841:  * version 2 for more details (a copy is included in the LICENSE file that
hannesw@1841:  * accompanied this code).
hannesw@1841:  *
hannesw@1841:  * You should have received a copy of the GNU General Public License version
hannesw@1841:  * 2 along with this work; if not, write to the Free Software Foundation,
hannesw@1841:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
hannesw@1841:  *
hannesw@1841:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
hannesw@1841:  * or visit www.oracle.com if you need additional information or have any
hannesw@1841:  * questions.
hannesw@1841:  */
hannesw@1841: 
hannesw@1841: /**
hannesw@1841:  * JDK-8137240: Negative lookahead in RegEx breaks backreference
hannesw@1841:  *
hannesw@1841:  * @test
hannesw@1841:  * @run
hannesw@1841:  */
hannesw@1841: 
hannesw@1841: 
hannesw@1841: Assert.assertEquals('aa'.replace(/(a)(?!b)\1/gm, 'c'), 'c');
hannesw@1841: 
hannesw@1841: var result = 'aa'.match(/(a)(?!b)\1/);
hannesw@1841: Assert.assertTrue(result.length === 2);
hannesw@1841: Assert.assertTrue(result[0] === 'aa');
hannesw@1841: Assert.assertTrue(result[1] === 'a');
hannesw@1841: 
hannesw@1841: result = 'aa'.match(/(a)(?!(b))\2(a)/);
hannesw@1841: Assert.assertTrue(result.length === 4);
hannesw@1841: Assert.assertTrue(result[0] === 'aa');
hannesw@1841: Assert.assertTrue(result[1] === 'a');
hannesw@1841: Assert.assertTrue(result[2] === undefined);
hannesw@1841: Assert.assertTrue(result[3] === 'a');