test/gc/arguments/TestG1HeapRegionSize.java

Thu, 23 Apr 2015 15:59:48 +0200

author
jwilhelm
date
Thu, 23 Apr 2015 15:59:48 +0200
changeset 7785
f967da7f0c3c
parent 0
f90c822e73f8
child 9595
26c65bb80287
permissions
-rw-r--r--

8062537: [TESTBUG] Conflicting GC combinations in hotspot tests
Reviewed-by: tschatzl, jwilhelm

aoqi@0 1 /*
jwilhelm@7785 2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test TestG1HeapRegionSize
aoqi@0 26 * @key gc
aoqi@0 27 * @bug 8021879
jwilhelm@7785 28 * @requires vm.gc=="G1" | vm.gc=="null"
aoqi@0 29 * @summary Verify that the flag G1HeapRegionSize is updated properly
aoqi@0 30 * @run main/othervm -Xmx64m TestG1HeapRegionSize 1048576
jwilhelm@7785 31 * @run main/othervm -XX:G1HeapRegionSize=2m -Xmx64m -XX:+UseG1GC TestG1HeapRegionSize 2097152
jwilhelm@7785 32 * @run main/othervm -XX:G1HeapRegionSize=3m -Xmx64m -XX:+UseG1GC TestG1HeapRegionSize 2097152
jwilhelm@7785 33 * @run main/othervm -XX:G1HeapRegionSize=64m -Xmx256m -XX:+UseG1GC TestG1HeapRegionSize 33554432
aoqi@0 34 */
aoqi@0 35
aoqi@0 36 import sun.management.ManagementFactoryHelper;
aoqi@0 37 import com.sun.management.HotSpotDiagnosticMXBean;
aoqi@0 38 import com.sun.management.VMOption;
aoqi@0 39
aoqi@0 40 public class TestG1HeapRegionSize {
aoqi@0 41
aoqi@0 42 public static void main(String[] args) {
aoqi@0 43 HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean();
aoqi@0 44
aoqi@0 45 String expectedValue = getExpectedValue(args);
jwilhelm@7785 46 VMOption option = diagnostic.getVMOption("G1HeapRegionSize");
aoqi@0 47 if (!expectedValue.equals(option.getValue())) {
aoqi@0 48 throw new RuntimeException("Wrong value for G1HeapRegionSize. Expected " + expectedValue + " but got " + option.getValue());
aoqi@0 49 }
aoqi@0 50 }
aoqi@0 51
aoqi@0 52 private static String getExpectedValue(String[] args) {
aoqi@0 53 if (args.length != 1) {
aoqi@0 54 throw new RuntimeException("Wrong number of arguments. Expected 1 but got " + args.length);
aoqi@0 55 }
aoqi@0 56 return args[0];
aoqi@0 57 }
aoqi@0 58
aoqi@0 59 }

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