1 /* 2 * Copyright (c) 2020, Red Hat, Inc. 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 /* 26 * @test 27 * @summary Test that Shenandoah modes are unlocked properly 28 * @requires vm.gc.Shenandoah 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @run driver TestModeUnlock 33 */ 34 35 import jdk.test.lib.process.ProcessTools; 36 import jdk.test.lib.process.OutputAnalyzer; 37 38 public class TestModeUnlock { 39 40 enum Mode { 41 PRODUCT, 42 DIAGNOSTIC, 43 EXPERIMENTAL, 44 } 45 46 public static void main(String[] args) throws Exception { 47 testWith("-XX:ShenandoahGCMode=satb", Mode.PRODUCT); 48 testWith("-XX:ShenandoahGCMode=iu", Mode.EXPERIMENTAL); 49 testWith("-XX:ShenandoahGCMode=passive", Mode.DIAGNOSTIC); 50 } 51 52 private static void testWith(String h, Mode mode) throws Exception { 53 { 54 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 55 "-Xmx128m", 56 "-XX:-UnlockDiagnosticVMOptions", 57 "-XX:-UnlockExperimentalVMOptions", 58 "-XX:+UseShenandoahGC", 59 h, 60 "-version" 61 ); 62 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 63 switch (mode) { 64 case PRODUCT: 65 output.shouldHaveExitValue(0); 66 break; 67 case DIAGNOSTIC: 68 case EXPERIMENTAL: 69 output.shouldNotHaveExitValue(0); 70 break; 71 } 72 } 73 74 { 75 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 76 "-Xmx128m", 77 "-XX:+UnlockDiagnosticVMOptions", 78 "-XX:-UnlockExperimentalVMOptions", 79 "-XX:+UseShenandoahGC", 80 h, 81 "-version" 82 ); 83 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 84 switch (mode) { 85 case PRODUCT: 86 case DIAGNOSTIC: 87 output.shouldHaveExitValue(0); 88 break; 89 case EXPERIMENTAL: 90 output.shouldNotHaveExitValue(0); 91 break; 92 } 93 } 94 95 { 96 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 97 "-Xmx128m", 98 "-XX:-UnlockDiagnosticVMOptions", 99 "-XX:+UnlockExperimentalVMOptions", 100 "-XX:+UseShenandoahGC", 101 h, 102 "-version" 103 ); 104 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 105 switch (mode) { 106 case PRODUCT: 107 case EXPERIMENTAL: 108 output.shouldHaveExitValue(0); 109 break; 110 case DIAGNOSTIC: 111 output.shouldNotHaveExitValue(0); 112 break; 113 } 114 } 115 } 116 117 }