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 "ShenandoahSATBBarrier", 44 "ShenandoahCASBarrier", 45 "ShenandoahCloneBarrier", 46 }; 47 String[] iu = { 48 "ShenandoahLoadRefBarrier", 49 "ShenandoahCASBarrier", 50 "ShenandoahCloneBarrier", 51 }; 52 53 shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent); 54 shouldFailAll("-XX:ShenandoahGCHeuristics=static", concurrent); 55 shouldFailAll("-XX:ShenandoahGCHeuristics=compact", concurrent); 56 shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent); 57 shouldFailAll("-XX:ShenandoahGCMode=iu", iu); 58 shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent); 59 shouldPassAll("-XX:ShenandoahGCMode=passive", iu); 60 } 61 62 private static void shouldFailAll(String h, String[] barriers) throws Exception { 63 for (String b : barriers) { 64 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 65 "-XX:+UnlockDiagnosticVMOptions", 66 "-XX:+UnlockExperimentalVMOptions", 67 "-XX:+UseShenandoahGC", 68 h, 69 "-XX:-" + b, 70 "-version" 71 ); 72 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 73 output.shouldNotHaveExitValue(0); 74 output.shouldContain("Heuristics needs "); 75 output.shouldContain("to work correctly"); 76 } 77 } 78 79 private static void shouldPassAll(String h, String[] barriers) throws Exception { 80 for (String b : barriers) { 81 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 82 "-XX:+UnlockDiagnosticVMOptions", 83 "-XX:+UnlockExperimentalVMOptions", 84 "-XX:+UseShenandoahGC", 85 h, 86 "-XX:-" + b, 87 "-version" 88 ); 89 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 90 output.shouldHaveExitValue(0); 91 } 92 } 93 94 }