Mercurial > hg > truffle
annotate test/gc/arguments/TestDynMinHeapFreeRatio.java @ 20915:916aac9fe6f7
LinearScan: use RegisterAllocationConfig.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 13 Apr 2015 15:10:55 +0200 |
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1 /* |
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2 * Copyright (c) 2014, 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 TestDynMinHeapFreeRatio |
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26 * @bug 8028391 |
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27 * @summary Verify that MinHeapFreeRatio flag is manageable |
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28 * @library /testlibrary |
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29 * @run main TestDynMinHeapFreeRatio |
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30 * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio |
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31 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMinHeapFreeRatio |
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32 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMinHeapFreeRatio |
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33 * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMinHeapFreeRatio |
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34 * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio |
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35 */ |
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36 import static com.oracle.java.testlibrary.Asserts.assertEQ; |
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37 import static com.oracle.java.testlibrary.Asserts.assertFalse; |
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38 import static com.oracle.java.testlibrary.Asserts.assertTrue; |
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39 import com.oracle.java.testlibrary.DynamicVMOption; |
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40 |
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41 public class TestDynMinHeapFreeRatio { |
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42 |
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43 public static void main(String args[]) throws Exception { |
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44 |
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45 // high boundary value |
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46 int maxValue = DynamicVMOption.getInt("MaxHeapFreeRatio"); |
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47 System.out.println("MaxHeapFreeRatio= " + maxValue); |
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48 |
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49 String badValues[] = { |
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50 null, |
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51 "", |
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52 "not a number", |
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53 "8.5", "-0.01", |
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54 Integer.toString(Integer.MIN_VALUE), |
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55 Integer.toString(Integer.MAX_VALUE), |
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56 Integer.toString(maxValue + 1), |
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57 "-1024", "-1", "101", "1997" |
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58 }; |
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59 |
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60 String goodValues[] = { |
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61 Integer.toString(maxValue), |
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62 Integer.toString(maxValue - 1), |
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63 Integer.toString(maxValue / 2), |
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64 "0", "1" |
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65 }; |
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66 |
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67 // option under test |
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68 DynamicVMOption option = new DynamicVMOption("MinHeapFreeRatio"); |
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69 |
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70 assertTrue(option.isWriteable(), "Option " + option.name |
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71 + " is expected to be writable"); |
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72 |
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73 for (String v : badValues) { |
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74 assertFalse(option.isValidValue(v), |
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75 "'" + v + "' is expected to be illegal for flag " + option.name); |
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76 } |
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77 |
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78 for (String v : goodValues) { |
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79 option.setValue(v); |
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80 String newValue = option.getValue(); |
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81 assertEQ(v, newValue); |
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82 } |
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83 } |
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84 } |