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