1 /* 2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 /* 25 * @test TestHeuristicsUnlock 26 * @summary Test that Shenandoah heuristics are unlocked properly 27 * @key gc 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @run driver TestHeuristicsUnlock 32 */ 33 34 import jdk.test.lib.process.ProcessTools; 35 import jdk.test.lib.process.OutputAnalyzer; 36 37 public class TestHeuristicsUnlock { 38 39 enum Mode { 40 PRODUCT, 41 DIAGNOSTIC, 42 EXPERIMENTAL, 43 } 44 45 public static void main(String[] args) throws Exception { 46 testWith("adaptive", Mode.PRODUCT); 47 testWith("static", Mode.PRODUCT); 48 testWith("compact", Mode.PRODUCT); 49 50 testWith("traversal", Mode.EXPERIMENTAL); 51 52 testWith("aggressive", Mode.DIAGNOSTIC); 53 testWith("passive", Mode.DIAGNOSTIC); 54 } 55 56 private static void testWith(String h, Mode mode) throws Exception { 57 if (false) { // When ShenandoahGC is experimental flag, this makes no sense to test 58 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 59 "-XX:-UnlockDiagnosticVMOptions", 60 "-XX:-UnlockExperimentalVMOptions", 61 "-XX:+UseShenandoahGC", 62 "-XX:ShenandoahGCHeuristics=" + h, 63 "-version" 64 ); 65 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 66 switch (mode) { 67 case PRODUCT: 68 output.shouldHaveExitValue(0); 69 break; 70 case DIAGNOSTIC: 71 case EXPERIMENTAL: 72 output.shouldNotHaveExitValue(0); 73 break; 74 } 75 } 76 77 if (false) { // When ShenandoahGC is experimental flag, this makes no sense to test 78 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 79 "-XX:+UnlockDiagnosticVMOptions", 80 "-XX:-UnlockExperimentalVMOptions", 81 "-XX:+UseShenandoahGC", 82 "-XX:ShenandoahGCHeuristics=" + 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 "-XX:-UnlockDiagnosticVMOptions", 100 "-XX:+UnlockExperimentalVMOptions", 101 "-XX:+UseShenandoahGC", 102 "-XX:ShenandoahGCHeuristics=" + h, 103 "-version" 104 ); 105 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 106 switch (mode) { 107 case PRODUCT: 108 case EXPERIMENTAL: 109 output.shouldHaveExitValue(0); 110 break; 111 case DIAGNOSTIC: 112 output.shouldNotHaveExitValue(0); 113 break; 114 } 115 } 116 } 117 118 }