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