1 /* 2 * Copyright (c) 2016, 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 /* 25 * @test TestArgumentRanges 26 * @summary Test that Shenandoah arguments are checked for ranges where applicable 27 * @key gc 28 * @requires vm.gc.Shenandoah 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @run driver TestArgumentRanges 33 */ 34 35 import jdk.test.lib.process.ProcessTools; 36 import jdk.test.lib.process.OutputAnalyzer; 37 38 public class TestArgumentRanges { 39 public static void main(String[] args) throws Exception { 40 testRange("ShenandoahGarbageThreshold", 0, 100); 41 testRange("ShenandoahFreeThreshold", 0, 100); 42 testRange("ShenandoahAllocationThreshold", 0, 100); 43 testHeuristics(); 44 } 45 46 private static void testHeuristics() throws Exception { 47 48 { 49 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions", 50 "-XX:+UnlockExperimentalVMOptions", 51 "-XX:+UseShenandoahGC", 52 "-XX:ShenandoahGCHeuristics=aggressive", 53 "-version"); 54 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 55 output.shouldHaveExitValue(0); 56 } 57 { 58 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions", 59 "-XX:+UnlockExperimentalVMOptions", 60 "-XX:+UseShenandoahGC", 61 "-XX:ShenandoahGCHeuristics=static", 62 "-version"); 63 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 64 output.shouldHaveExitValue(0); 65 } 66 { 67 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions", 68 "-XX:+UnlockExperimentalVMOptions", 69 "-XX:+UseShenandoahGC", 70 "-XX:ShenandoahGCHeuristics=fluff", 71 "-version"); 72 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 73 output.shouldMatch("Unknown -XX:ShenandoahGCHeuristics option"); 74 output.shouldHaveExitValue(1); 75 } 76 } 77 78 private static void testRange(String option, int min, int max) throws Exception { 79 { 80 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions", 81 "-XX:+UnlockExperimentalVMOptions", 82 "-XX:+UseShenandoahGC", 83 "-XX:" + option + "=" + (max + 1), 84 "-version"); 85 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 86 output.shouldHaveExitValue(1); 87 } 88 { 89 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions", 90 "-XX:+UnlockExperimentalVMOptions", 91 "-XX:+UseShenandoahGC", 92 "-XX:" + option + "=" + max, 93 "-version"); 94 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 95 output.shouldHaveExitValue(0); 96 } 97 { 98 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions", 99 "-XX:+UnlockExperimentalVMOptions", 100 "-XX:+UseShenandoahGC", 101 "-XX:" + option + "=" + (min - 1), 102 "-version"); 103 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 104 output.shouldHaveExitValue(1); 105 } 106 { 107 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions", 108 "-XX:+UnlockExperimentalVMOptions", 109 "-XX:+UseShenandoahGC", 110 "-XX:" + option + "=" + min, 111 "-version"); 112 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 113 output.shouldHaveExitValue(0); 114 } 115 } 116 }