1 /* 2 * Copyright (c) 2013, 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 26 * @bug 8000968 27 * @key regression 28 * @summary NPG: UseCompressedKlassPointers asserts with ObjectAlignmentInBytes=32 29 * @library /testlibrary 30 */ 31 32 import com.oracle.java.testlibrary.*; 33 34 public class CompressedKlassPointerAndOops { 35 36 public static void main(String[] args) throws Exception { 37 38 if (!Platform.is64bit()) { 39 // Can't test this on 32 bit, just pass 40 System.out.println("Skipping test on 32bit"); 41 return; 42 } 43 44 runWithAlignment(16); 45 runWithAlignment(32); 46 runWithAlignment(64); 47 runWithAlignment(128); 48 } 49 50 private static void runWithAlignment(int alignment) throws Exception { 51 ProcessBuilder pb; 52 OutputAnalyzer output; 53 54 pb = ProcessTools.createJavaProcessBuilder( 55 "-XX:+UseCompressedKlassPointers", 56 "-XX:+UseCompressedOops", 57 "-XX:ObjectAlignmentInBytes=" + alignment, 58 "-version"); 59 60 output = new OutputAnalyzer(pb.start()); 61 output.shouldHaveExitValue(0); 62 } 63 }