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 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 39 public static void main(String[] args) throws Exception { 40 String[] concurrent = { 41 "ShenandoahReadBarrier", 42 "ShenandoahWriteBarrier", 43 "ShenandoahCASBarrier", 44 "ShenandoahAcmpBarrier", 45 "ShenandoahCloneBarrier", 46 "ShenandoahSATBBarrier", 47 "ShenandoahKeepAliveBarrier", 48 "ShenandoahStoreValReadBarrier", 49 }; 50 51 String[] traversal = { 52 "ShenandoahReadBarrier", 53 "ShenandoahWriteBarrier", 54 "ShenandoahCASBarrier", 55 "ShenandoahAcmpBarrier", 56 "ShenandoahCloneBarrier", 57 }; 58 59 shouldFailAll("adaptive", concurrent); 60 shouldFailAll("static", concurrent); 61 shouldFailAll("compact", concurrent); 62 shouldFailAll("aggressive", concurrent); 63 shouldFailAll("traversal", traversal); 64 shouldPassAll("passive", concurrent); 65 shouldPassAll("passive", traversal); 66 } 67 68 private static void shouldFailAll(String h, String[] barriers) throws Exception { 69 for (String b : barriers) { 70 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 71 "-XX:+UnlockDiagnosticVMOptions", 72 "-XX:+UnlockExperimentalVMOptions", 73 "-XX:+UseShenandoahGC", 74 "-XX:ShenandoahGCHeuristics=" + h, 75 "-XX:-" + b, 76 "-version" 77 ); 78 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 79 output.shouldNotHaveExitValue(0); 80 output.shouldContain("Heuristics needs "); 81 output.shouldContain("to work correctly"); 82 } 83 } 84 85 private static void shouldPassAll(String h, String[] barriers) throws Exception { 86 for (String b : barriers) { 87 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 88 "-XX:+UnlockDiagnosticVMOptions", 89 "-XX:+UnlockExperimentalVMOptions", 90 "-XX:+UseShenandoahGC", 91 "-XX:ShenandoahGCHeuristics=" + h, 92 "-XX:-" + b, 93 "-version" 94 ); 95 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 96 output.shouldHaveExitValue(0); 97 } 98 } 99 100 }