nashorn/test/script/basic/JDK-8016681.js
changeset 18863 f582e6cdeae5
child 24778 2ff5d7041566
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8016681.js	Wed Jul 10 10:54:19 2013 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ * 
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ * 
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * JDK-8016681: regex capture behaves differently than on V8
+ *
+ * @test
+ * @run
+ */
+
+// regexp similar to the one used in marked.js
+/^((?:[^\n]+\n?(?!( *[-*_]){3,} *(?:\n+|$)| *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)|([^\n]+)\n *(=|-){3,} *\n*))+)\n*/
+    .exec("a\n\nb")
+    .forEach(function(e) { print(e); });
+
+// simplified regexp
+/(x(?!(a))(?!(b))y)/
+    .exec("xy")
+    .forEach(function(e) { print(e); });
+
+// should not match as cross-negative-lookeahead backreference \2 should be undefined
+print(/(x(?!(a))(?!(b)\2))/.exec("xbc"));