1 /* 2 * Copyright (c) 2013, 2019, 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 package gc.arguments; 25 26 import jdk.test.lib.process.OutputAnalyzer; 27 import jdk.test.lib.process.ProcessTools; 28 import jdk.test.lib.Platform; 29 30 /* 31 * @test 32 * @bug 8015107 33 * @summary Tests that VM prints a warning when -XX:CompressedClassSpaceSize 34 * is used together with -XX:-UseCompressedClassPointers 35 * @library /test/lib 36 * @library / 37 * @modules java.base/jdk.internal.misc 38 * java.management 39 * @run main gc.arguments.TestCompressedClassFlags 40 */ 41 public class TestCompressedClassFlags { main(String[] args)42 public static void main(String[] args) throws Exception { 43 if (Platform.is64bit()) { 44 OutputAnalyzer output = runJava("-XX:CompressedClassSpaceSize=1g", 45 "-XX:-UseCompressedClassPointers", 46 "-version"); 47 output.shouldContain("warning"); 48 output.shouldNotContain("error"); 49 output.shouldHaveExitValue(0); 50 } 51 } 52 runJava(String .... args)53 private static OutputAnalyzer runJava(String ... args) throws Exception { 54 ProcessBuilder pb = GCArguments.createJavaProcessBuilder(args); 55 return new OutputAnalyzer(pb.start()); 56 } 57 } 58