1 /* 2 * Copyright (c) 2013, 2014, 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 * @build com.oracle.java.testlibrary.* 31 * @run main/othervm TestInitialTenuringThreshold 32 * @author thomas.schatzl@oracle.com 33 */ 34 35 import com.oracle.java.testlibrary.*; 36 37 public class TestInitialTenuringThreshold { 38 39 public static void runWithThresholds(int initial, int max, boolean shouldfail) throws Exception { 40 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 41 "-XX:InitialTenuringThreshold=" + String.valueOf(initial), 42 "-XX:MaxTenuringThreshold=" + String.valueOf(max), 43 "-version" 44 ); 45 46 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 47 if (shouldfail) { 48 output.shouldHaveExitValue(1); 49 } else { 50 output.shouldHaveExitValue(0); 51 } 52 } 53 54 55 public static void main(String args[]) throws Exception { 56 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 57 // some value below the default value of InitialTenuringThreshold of 7 58 "-XX:MaxTenuringThreshold=1", 59 "-version" 60 ); 61 62 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 63 output.shouldHaveExitValue(0); 64 // successful tests 65 runWithThresholds(0, 10, false); 66 runWithThresholds(5, 5, false); 67 runWithThresholds(8, 16, false); 68 // failing tests 69 runWithThresholds(10, 0, true); 70 runWithThresholds(9, 8, true); 71 runWithThresholds(-1, 8, true); 72 runWithThresholds(8, -1, true); 73 runWithThresholds(16, 8, true); 74 runWithThresholds(8, 17, true); 75 } 76 } 77