1 /* 2 * Copyright (c) 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 /* @test TestWrongBarrierDisable 25 * @summary Test that disabling wrong barriers fails early 26 * @key gc 27 * @requires vm.gc.Shenandoah & !vm.graal.enabled 28 * @library /test/lib 29 * @run main/othervm TestWrongBarrierDisable 30 */ 31 32 import java.util.*; 33 34 import jdk.test.lib.process.ProcessTools; 35 import jdk.test.lib.process.OutputAnalyzer; 36 37 public class TestWrongBarrierDisable { 38 main(String[] args)39 public static void main(String[] args) throws Exception { 40 String[] concurrent = { 41 "ShenandoahLoadRefBarrier", 42 "ShenandoahSATBBarrier", 43 "ShenandoahCASBarrier", 44 "ShenandoahCloneBarrier", 45 }; 46 String[] iu = { 47 "ShenandoahLoadRefBarrier", 48 "ShenandoahIUBarrier", 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 shouldFailAll(String h, String[] barriers)62 private static void shouldFailAll(String h, String[] barriers) throws Exception { 63 for (String b : barriers) { 64 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 65 "-Xmx128m", 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("GC mode needs "); 76 output.shouldContain("to work correctly"); 77 } 78 } 79 shouldPassAll(String h, String[] barriers)80 private static void shouldPassAll(String h, String[] barriers) throws Exception { 81 for (String b : barriers) { 82 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 83 "-Xmx128m", 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 } 97