1 /* 2 * Copyright (c) 2014, 2016, 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 UintxTest 26 * @bug 8028756 27 * @library /test/lib 28 * @modules java.base/jdk.internal.misc 29 * java.management/sun.management 30 * @build sun.hotspot.WhiteBox 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox 32 * sun.hotspot.WhiteBox$WhiteBoxPermission 33 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI UintxTest 34 * @summary testing of WB::set/getUintxVMFlag() 35 * @author igor.ignatyev@oracle.com 36 */ 37 import jdk.test.lib.Platform; 38 39 public class UintxTest { 40 private static final String FLAG_NAME = "VerifyGCStartAt"; 41 private static final String FLAG_DEBUG_NAME = "CodeCacheMinimumUseSpace"; 42 private static final Long[] TESTS = {0L, 100L, (long) Integer.MAX_VALUE, 43 (1L << 32L) - 1L, 1L << 32L}; 44 private static final Long[] EXPECTED_64 = TESTS; 45 private static final Long[] EXPECTED_32 = {0L, 100L, 46 (long) Integer.MAX_VALUE, (1L << 32L) - 1L, 0L}; 47 48 public static void main(String[] args) throws Exception { 49 VmFlagTest.runTest(FLAG_NAME, TESTS, 50 Platform.is64bit() ? EXPECTED_64 : EXPECTED_32, 51 VmFlagTest.WHITE_BOX::setUintxVMFlag, 52 VmFlagTest.WHITE_BOX::getUintxVMFlag); 53 VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getUintxVMFlag); 54 } 55 } 56