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 /testlibrary 29 * 30 * @run driver TestHeuristicsUnlock 31 */ 32 33 import com.oracle.java.testlibrary.*; 34 35 public class TestHeuristicsUnlock { 36 37 enum Mode { 38 PRODUCT, 39 DIAGNOSTIC, 40 EXPERIMENTAL, 41 } 42 43 public static void main(String[] args) throws Exception { 44 testWith("-XX:ShenandoahGCHeuristics=adaptive", Mode.PRODUCT); 45 testWith("-XX:ShenandoahGCHeuristics=static", Mode.PRODUCT); 46 testWith("-XX:ShenandoahGCHeuristics=compact", Mode.PRODUCT); 47 48 testWith("-XX:ShenandoahGCHeuristics=aggressive", Mode.DIAGNOSTIC); 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 "-XX:-UnlockDiagnosticVMOptions", 56 "-XX:-UnlockExperimentalVMOptions", 57 "-XX:+UseShenandoahGC", 58 h, 59 "-version" 60 ); 61 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 62 switch (mode) { 63 case PRODUCT: 64 output.shouldHaveExitValue(0); 65 break; 66 case DIAGNOSTIC: 67 case EXPERIMENTAL: 68 output.shouldHaveExitValue(1); 69 break; 70 } 71 } 72 73 { 74 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 75 "-XX:+UnlockDiagnosticVMOptions", 76 "-XX:-UnlockExperimentalVMOptions", 77 "-XX:+UseShenandoahGC", 78 h, 79 "-version" 80 ); 81 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 82 switch (mode) { 83 case PRODUCT: 84 case DIAGNOSTIC: 85 output.shouldHaveExitValue(0); 86 break; 87 case EXPERIMENTAL: 88 output.shouldHaveExitValue(1); 89 break; 90 } 91 } 92 93 { 94 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 95 "-XX:-UnlockDiagnosticVMOptions", 96 "-XX:+UnlockExperimentalVMOptions", 97 "-XX:+UseShenandoahGC", 98 h, 99 "-version" 100 ); 101 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 102 switch (mode) { 103 case PRODUCT: 104 case EXPERIMENTAL: 105 output.shouldHaveExitValue(0); 106 break; 107 case DIAGNOSTIC: 108 output.shouldHaveExitValue(1); 109 break; 110 } 111 } 112 } 113 114 }