• file
• revisions
• annotate
• diff
• comparison
• raw

test/compiler/6859338/Test6859338.java@da91efe96a93 (annotated)

test/compiler/6859338/Test6859338.java

Sat, 01 Sep 2012 13:25:18 -0400

author

coleenp

date

Sat, 01 Sep 2012 13:25:18 -0400

changeset 4037

da91efe96a93

parent 1907

c18cbe5936b8

child 4153

b9a9ed0f8eeb

permissions

-rw-r--r--

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

never@1283	1	/*
trims@1907	2	* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
never@1283	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1283	4	*
never@1283	5	* This code is free software; you can redistribute it and/or modify it
never@1283	6	* under the terms of the GNU General Public License version 2 only, as
never@1283	7	* published by the Free Software Foundation.
never@1283	8	*
never@1283	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1283	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1283	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1283	12	* version 2 for more details (a copy is included in the LICENSE file that
never@1283	13	* accompanied this code).
never@1283	14	*
never@1283	15	* You should have received a copy of the GNU General Public License version
never@1283	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@1283	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1283	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
never@1283	22	*
never@1283	23	*/
never@1283	24
never@1283	25	/**
never@1283	26	* @test
never@1283	27	* @bug 6859338
never@1283	28	* @summary Assertion failure in sharedRuntime.cpp
never@1283	29	*
coleenp@4037	30	* @run main/othervm -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:-InlineObjectHash -Xbatch -XX:-ProfileInterpreter Test6859338
never@1283	31	*/
never@1283	32
never@1283	33	public class Test6859338 {
never@1283	34	static Object[] o = new Object[] { new Object(), null };
never@1283	35	public static void main(String[] args) {
never@1283	36	int total = 0;
never@1283	37	try {
never@1283	38	// Exercise the implicit null check in the unverified entry point
never@1283	39	for (int i = 0; i < 40000; i++) {
never@1283	40	int limit = o.length;
never@1283	41	if (i < 20000) limit = 1;
never@1283	42	for (int j = 0; j < limit; j++) {
never@1283	43	total += o[j].hashCode();
never@1283	44	}
never@1283	45	}
never@1283	46
never@1283	47	} catch (NullPointerException e) {
never@1283	48	// this is expected. A true failure causes a crash
never@1283	49	}
never@1283	50	}
never@1283	51	}