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test/runtime/memory/ReserveMemory.java@fb9d124d9192 (annotated)

test/runtime/memory/ReserveMemory.java

Wed, 21 May 2014 10:56:41 -0700

author

katleman

date

Wed, 21 May 2014 10:56:41 -0700

changeset 6672

fb9d124d9192

parent 5847

cc4f5f8d885e

child 6876

710a3c8b516e

permissions

-rw-r--r--

Added tag jdk8u20-b15 for changeset 8c785f9bde6f

mikael@4989	1	/*
mikael@4989	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
mikael@4989	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mikael@4989	4	*
mikael@4989	5	* This code is free software; you can redistribute it and/or modify it
mikael@4989	6	* under the terms of the GNU General Public License version 2 only, as
mikael@4989	7	* published by the Free Software Foundation.
mikael@4989	8	*
mikael@4989	9	* This code is distributed in the hope that it will be useful, but WITHOUT
mikael@4989	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mikael@4989	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
mikael@4989	12	* version 2 for more details (a copy is included in the LICENSE file that
mikael@4989	13	* accompanied this code).
mikael@4989	14	*
mikael@4989	15	* You should have received a copy of the GNU General Public License version
mikael@4989	16	* 2 along with this work; if not, write to the Free Software Foundation,
mikael@4989	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mikael@4989	18	*
mikael@4989	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
mikael@4989	20	* or visit www.oracle.com if you need additional information or have any
mikael@4989	21	* questions.
mikael@4989	22	*/
mikael@4989	23
mikael@4989	24	/*
mikael@4989	25	* @test
mikael@4989	26	* @key regression
mikael@4989	27	* @bug 8012015
mikael@4989	28	* @summary Make sure reserved (but uncommitted) memory is not accessible
mikael@4989	29	* @library /testlibrary /testlibrary/whitebox
mikael@4989	30	* @build ReserveMemory
mikael@4989	31	* @run main ClassFileInstaller sun.hotspot.WhiteBox
mikael@4989	32	* @run main ReserveMemory
mikael@4989	33	*/
mikael@4989	34
mikael@4989	35	import com.oracle.java.testlibrary.*;
mikael@4989	36
mikael@4989	37	import sun.hotspot.WhiteBox;
mikael@4989	38
mikael@4989	39	public class ReserveMemory {
mikael@4989	40	private static boolean isWindows() {
mikael@4989	41	return System.getProperty("os.name").toLowerCase().startsWith("win");
mikael@4989	42	}
mikael@4989	43
mikael@5174	44	private static boolean isOsx() {
mikael@5174	45	return System.getProperty("os.name").toLowerCase().startsWith("mac");
mikael@5174	46	}
mikael@5174	47
mikael@4989	48	public static void main(String args[]) throws Exception {
mikael@4989	49	if (args.length > 0) {
mikael@5174	50	WhiteBox.getWhiteBox().readReservedMemory();
mikael@4989	51
mikael@4989	52	throw new Exception("Read of reserved/uncommitted memory unexpectedly succeeded, expected crash!");
mikael@4989	53	}
mikael@4989	54
mikael@4989	55	ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
mikael@4989	56	"-Xbootclasspath/a:.",
mikael@4989	57	"-XX:+UnlockDiagnosticVMOptions",
mikael@4989	58	"-XX:+WhiteBoxAPI",
mseledtsov@5847	59	"-XX:-TransmitErrorReport",
mikael@4989	60	"ReserveMemory",
mikael@4989	61	"test");
mikael@4989	62
mikael@4989	63	OutputAnalyzer output = new OutputAnalyzer(pb.start());
mikael@4989	64	if (isWindows()) {
mikael@4989	65	output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
mikael@5174	66	} else if (isOsx()) {
mikael@5174	67	output.shouldContain("SIGBUS");
mikael@4989	68	} else {
mikael@4989	69	output.shouldContain("SIGSEGV");
mikael@4989	70	}
mikael@4989	71	}
mikael@4989	72	}