1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test TestInitialTenuringThreshold 26 * @key gc 27 * @bug 8014765 28 * @summary Tests argument processing for initial tenuring threshold 29 * @library /testlibrary 30 * @run main/othervm TestInitialTenuringThreshold 31 * @author thomas.schatzl@oracle.com 32 */ 33 34 import com.oracle.java.testlibrary.*; 35 36 public class TestInitialTenuringThreshold { 37 38 public static void runWithThresholds(int initial, int max, boolean shouldfail) throws Exception { 39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 40 "-XX:InitialTenuringThreshold=" + String.valueOf(initial), 41 "-XX:MaxTenuringThreshold=" + String.valueOf(max), 42 "-version" 43 ); 44 45 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 46 if (shouldfail) { 47 output.shouldHaveExitValue(1); 48 } else { 49 output.shouldHaveExitValue(0); 50 } 51 } 52 53 54 public static void main(String args[]) throws Exception { 55 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 56 // some value below the default value of InitialTenuringThreshold of 7 57 "-XX:MaxTenuringThreshold=1", 58 "-version" 59 ); 60 61 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 62 output.shouldHaveExitValue(0); 63 // successful tests 64 runWithThresholds(0, 10, false); 65 runWithThresholds(5, 5, false); 66 // failing tests 67 runWithThresholds(10, 0, true); 68 runWithThresholds(9, 8, true); 69 runWithThresholds(-1, 8, true); 70 runWithThresholds(8, -1, true); 71 runWithThresholds(8, 16, true); 72 runWithThresholds(16, 8, true); 73 } 74 } 75