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 TestModeUnlock 27 * @summary Test that Shenandoah modes are unlocked properly 28 * @key gc 29 * @requires vm.gc.Shenandoah & !vm.graal.enabled 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 } 52 53 private static void testWith(String h, Mode mode) throws Exception { 54 if (false) { // When ShenandoahGC is experimental flag, this makes no sense to test 55 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 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 if (false) { // When ShenandoahGC is experimental flag, this makes no sense to test 75 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 76 "-XX:+UnlockDiagnosticVMOptions", 77 "-XX:-UnlockExperimentalVMOptions", 78 "-XX:+UseShenandoahGC", 79 h, 80 "-version" 81 ); 82 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 83 switch (mode) { 84 case PRODUCT: 85 case DIAGNOSTIC: 86 output.shouldHaveExitValue(0); 87 break; 88 case EXPERIMENTAL: 89 output.shouldNotHaveExitValue(0); 90 break; 91 } 92 } 93 94 { 95 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 96 "-XX:-UnlockDiagnosticVMOptions", 97 "-XX:+UnlockExperimentalVMOptions", 98 "-XX:+UseShenandoahGC", 99 h, 100 "-version" 101 ); 102 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 103 switch (mode) { 104 case PRODUCT: 105 case EXPERIMENTAL: 106 output.shouldHaveExitValue(0); 107 break; 108 case DIAGNOSTIC: 109 output.shouldNotHaveExitValue(0); 110 break; 111 } 112 } 113 } 114 115 }