diff -r 86ed45a9dedb -r f3beca8f19fc test/jdk/java/util/regex/NegativeArraySize.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/java/util/regex/NegativeArraySize.java Wed May 15 10:10:53 2019 +0530 @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2019, 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. + */ + +/* + * @test + * @bug 8223174 + * @summary Pattern.compile() can throw confusing NegativeArraySizeException + * @requires os.maxMemory >= 5g + * @run main/othervm NegativeArraySize -Xms5G -Xmx5G + */ + +import java.util.regex.Pattern; + +public class NegativeArraySize { + public static void main(String[] args) { + try { + Pattern.compile("\\Q" + "a".repeat(42 + Integer.MAX_VALUE / 3)); + throw new AssertionError("expected to throw"); + } catch (OutOfMemoryError expected) { + } + } +}