1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2016, Red Hat Inc. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 /** 26 * @test 27 * @bug 8026049 8151163 28 * @modules java.base/jdk.internal.misc 29 * @library /testlibrary 30 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-UseUnalignedAccesses -Djdk.test.lib.random.seed=0 DirectByteBufferTest 31 * @run main/othervm -Djdk.test.lib.random.seed=0 DirectByteBufferTest 32 * @summary Verify that direct byte buffers are correctly accessed. 33 */ 34 35 public class DirectByteBufferTest extends ByteBufferTest { 36 37 public DirectByteBufferTest(long iterations, boolean direct) { 38 super(iterations, direct); 39 } 40 41 public static void main(String[] args) { 42 // The number of iterations is high to ensure that tiered 43 // compilation kicks in all the way up to C2. 44 long iterations = 100000; 45 if (args.length > 0) 46 iterations = Long.parseLong(args[0]); 47 48 new DirectByteBufferTest(iterations, true).run(); 49 } 50 }