SizeTTest.java revision 8359:ed6389f70257
1/*
2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test SizeTTest
26 * @bug 8054823
27 * @library /testlibrary /../../test/lib
28 * @modules java.base/sun.misc
29 *          java.management/sun.management
30 * @build SizeTTest
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions SizeTTest
34 * @summary testing of WB::set/getSizeTVMFlag()
35 */
36import jdk.test.lib.Platform;
37
38public class SizeTTest {
39    private static final String FLAG_NAME = "ArrayAllocatorMallocLimit";
40    private static final Long[] TESTS = {0L, 100L, (long) Integer.MAX_VALUE,
41        (1L << 32L) - 1L, 1L << 32L};
42    private static final Long[] EXPECTED_64 = TESTS;
43    private static final Long[] EXPECTED_32 = {0L, 100L,
44        (long) Integer.MAX_VALUE, (1L << 32L) - 1L, 0L};
45
46    public static void main(String[] args) throws Exception {
47        VmFlagTest.runTest(FLAG_NAME, TESTS,
48            Platform.is64bit() ? EXPECTED_64 : EXPECTED_32,
49            VmFlagTest.WHITE_BOX::setSizeTVMFlag,
50            VmFlagTest.WHITE_BOX::getSizeTVMFlag);
51    }
52}
53