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 }; 47 48 String[] traversal = { 49 "ShenandoahLoadRefBarrier", 50 "ShenandoahCASBarrier", 51 "ShenandoahCloneBarrier", 52 }; 53 54 shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent); 55 shouldFailAll("-XX:ShenandoahGCHeuristics=static", concurrent); 56 shouldFailAll("-XX:ShenandoahGCHeuristics=compact", concurrent); 57 shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent); 58 shouldFailAll("-XX:ShenandoahGCMode=traversal", traversal); 59 shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent); 60 shouldPassAll("-XX:ShenandoahGCMode=passive", traversal); 61 } 62 63 private static void shouldFailAll(String h, String[] barriers) throws Exception { 64 for (String b : barriers) { 65 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 66 "-XX:+UnlockDiagnosticVMOptions", 67 "-XX:+UnlockExperimentalVMOptions", 68 "-XX:+UseShenandoahGC", 69 h, 70 "-XX:-" + b, 71 "-version" 72 ); 73 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 74 output.shouldNotHaveExitValue(0); 75 output.shouldContain("Heuristics needs "); 76 output.shouldContain("to work correctly"); 77 } 78 } 79 80 private static void shouldPassAll(String h, String[] barriers) throws Exception { 81 for (String b : barriers) { 82 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 83 "-XX:+UnlockDiagnosticVMOptions", 84 "-XX:+UnlockExperimentalVMOptions", 85 "-XX:+UseShenandoahGC", 86 h, 87 "-XX:-" + b, 88 "-version" 89 ); 90 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 91 output.shouldHaveExitValue(0); 92 } 93 } 94 95 }