1 /* 2 * Copyright (c) 2018, 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 /* @test TestWrongBarrierDisable 26 * @summary Test that disabling wrong barriers fails early 27 * @key gc 28 * @requires vm.gc.Shenandoah & !vm.graal.enabled 29 * @library /test/lib 30 * @run main/othervm TestWrongBarrierDisable 31 */ 32 33 import java.util.*; 34 35 import jdk.test.lib.process.ProcessTools; 36 import jdk.test.lib.process.OutputAnalyzer; 37 38 public class TestWrongBarrierDisable { 39 40 public static void main(String[] args) throws Exception { 41 String[] concurrent = { 42 "ShenandoahLoadRefBarrier", 43 "ShenandoahCASBarrier", 44 "ShenandoahCloneBarrier", 45 "ShenandoahSATBBarrier", 46 "ShenandoahKeepAliveBarrier", 47 }; 48 49 String[] traversal = { 50 "ShenandoahLoadRefBarrier", 51 "ShenandoahCASBarrier", 52 "ShenandoahCloneBarrier", 53 }; 54 55 shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent); 56 shouldFailAll("-XX:ShenandoahGCHeuristics=static", concurrent); 57 shouldFailAll("-XX:ShenandoahGCHeuristics=compact", concurrent); 58 shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent); 59 shouldFailAll("-XX:ShenandoahGCMode=traversal", traversal); 60 shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent); 61 shouldPassAll("-XX:ShenandoahGCMode=passive", traversal); 62 } 63 64 private static void shouldFailAll(String h, String[] barriers) throws Exception { 65 for (String b : barriers) { 66 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 67 "-XX:+UnlockDiagnosticVMOptions", 68 "-XX:+UnlockExperimentalVMOptions", 69 "-XX:+UseShenandoahGC", 70 h, 71 "-XX:-" + b, 72 "-version" 73 ); 74 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 75 output.shouldNotHaveExitValue(0); 76 output.shouldContain("Heuristics needs "); 77 output.shouldContain("to work correctly"); 78 } 79 } 80 81 private static void shouldPassAll(String h, String[] barriers) throws Exception { 82 for (String b : barriers) { 83 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 84 "-XX:+UnlockDiagnosticVMOptions", 85 "-XX:+UnlockExperimentalVMOptions", 86 "-XX:+UseShenandoahGC", 87 h, 88 "-XX:-" + b, 89 "-version" 90 ); 91 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 92 output.shouldHaveExitValue(0); 93 } 94 } 95 96 }