1 /* 2 * Copyright (c) 2017, 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 TestHumongousThresholdArgs 26 * @summary Test that Shenandoah humongous threshold args are checked 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 TestHumongousThresholdArgs 33 */ 34 35 import jdk.test.lib.process.ProcessTools; 36 import jdk.test.lib.process.OutputAnalyzer; 37 38 public class TestHumongousThresholdArgs { 39 public static void main(String[] args) throws Exception { 40 { 41 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", 42 "-XX:+UseShenandoahGC", 43 "-version"); 44 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 45 output.shouldHaveExitValue(0); 46 } 47 48 int[] valid = new int[] {1, 10, 50, 90, 100}; 49 int[] invalid = new int[] {-100, -1, 0, 101, 1000}; 50 51 for (int v : valid) { 52 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", 53 "-XX:+UseShenandoahGC", 54 "-XX:ShenandoahHumongousThreshold=" + v, 55 "-version"); 56 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 57 output.shouldHaveExitValue(0); 58 } 59 60 for (int v : invalid) { 61 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", 62 "-XX:+UseShenandoahGC", 63 "-XX:ShenandoahHumongousThreshold=" + v, 64 "-version"); 65 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 66 output.shouldHaveExitValue(1); 67 } 68 } 69 }