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