1 /* 2 * Copyright (c) 2020, Red Hat, Inc. All rights reserved. 3 * Copyright Amazon.com Inc. or its affiliates. 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 /* 27 * @test 28 * @summary Test that Shenandoah modes are unlocked properly 29 * @requires vm.gc.Shenandoah 30 * @library /test/lib 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @run driver TestModeUnlock 34 */ 35 36 import jdk.test.lib.process.ProcessTools; 37 import jdk.test.lib.process.OutputAnalyzer; 38 39 public class TestModeUnlock { 40 41 enum Mode { 42 PRODUCT, 43 DIAGNOSTIC, 44 EXPERIMENTAL, 45 } 46 47 public static void main(String[] args) throws Exception { 48 testWith("-XX:ShenandoahGCMode=satb", Mode.PRODUCT); 49 testWith("-XX:ShenandoahGCMode=iu", Mode.EXPERIMENTAL); 50 testWith("-XX:ShenandoahGCMode=passive", Mode.DIAGNOSTIC); 51 testWith("-XX:ShenandoahGCMode=generational", Mode.EXPERIMENTAL); 52 } 53 54 private static void testWith(String h, Mode mode) throws Exception { 55 { 56 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 57 "-Xmx128m", 58 "-XX:-UnlockDiagnosticVMOptions", 59 "-XX:-UnlockExperimentalVMOptions", 60 "-XX:+UseShenandoahGC", 61 h, 62 "-version" 63 ); 64 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 65 switch (mode) { 66 case PRODUCT: 67 output.shouldHaveExitValue(0); 68 break; 69 case DIAGNOSTIC: 70 case EXPERIMENTAL: 71 output.shouldNotHaveExitValue(0); 72 break; 73 } 74 } 75 76 { 77 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 78 "-Xmx128m", 79 "-XX:+UnlockDiagnosticVMOptions", 80 "-XX:-UnlockExperimentalVMOptions", 81 "-XX:+UseShenandoahGC", 82 h, 83 "-version" 84 ); 85 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 86 switch (mode) { 87 case PRODUCT: 88 case DIAGNOSTIC: 89 output.shouldHaveExitValue(0); 90 break; 91 case EXPERIMENTAL: 92 output.shouldNotHaveExitValue(0); 93 break; 94 } 95 } 96 97 { 98 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 99 "-Xmx128m", 100 "-XX:-UnlockDiagnosticVMOptions", 101 "-XX:+UnlockExperimentalVMOptions", 102 "-XX:+UseShenandoahGC", 103 h, 104 "-version" 105 ); 106 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 107 switch (mode) { 108 case PRODUCT: 109 case EXPERIMENTAL: 110 output.shouldHaveExitValue(0); 111 break; 112 case DIAGNOSTIC: 113 output.shouldNotHaveExitValue(0); 114 break; 115 } 116 } 117 } 118 119 }