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 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @run driver TestHumongousThresholdArgs 32 */ 33 34 import jdk.test.lib.process.ProcessTools; 35 import jdk.test.lib.process.OutputAnalyzer; 36 37 public class TestHumongousThresholdArgs { 38 public static void main(String[] args) throws Exception { 39 { 40 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", 41 "-XX:+UseShenandoahGC", 42 "-version"); 43 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 44 output.shouldHaveExitValue(0); 45 } 46 47 int[] valid = new int[] { 1, 10, 50, 90, 100 }; 48 int[] invalid = new int[] { -100, -1, 0, 101, 1000 }; 49 50 for (int v : valid) { 51 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", 52 "-XX:+UseShenandoahGC", 53 "-XX:ShenandoahHumongousThreshold=" + v, 54 "-version"); 55 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 56 output.shouldHaveExitValue(0); 57 } 58 59 for (int v : invalid) { 60 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", 61 "-XX:+UseShenandoahGC", 62 "-XX:ShenandoahHumongousThreshold=" + v, 63 "-version"); 64 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 65 output.shouldHaveExitValue(1); 66 } 67 } 68 }