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annotate test/gc/arguments/TestDynMaxHeapFreeRatio.java @ 17751:3b4e1b5c13a0

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8037510: CMM Testing: Min/MaxHeapFreeRatio flags should be manageable through the API Summary: Added tests for Min/MaxHeapFreeRatio flags Reviewed-by: jwilhelm, tschatzl Contributed-by: andrey.x.zakharov@oracle.com
author jwilhelm
date Thu, 20 Mar 2014 16:31:47 +0100
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children e2976043eac3
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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 TestDynMaxHeapFreeRatio
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26 * @bug 8028391
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27 * @summary Verify that MaxHeapFreeRatio flag is manageable
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28 * @library /testlibrary
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29 * @run main TestDynMaxHeapFreeRatio
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30 * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
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31 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio
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32 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio
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33 * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio
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34 * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
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35 */
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36 import com.oracle.java.testlibrary.TestDynamicVMOption;
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37 import com.oracle.java.testlibrary.DynamicVMOptionChecker;
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38
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39 public class TestDynMaxHeapFreeRatio extends TestDynamicVMOption {
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40
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41 public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";
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42 public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";
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43
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44 public TestDynMaxHeapFreeRatio() {
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45 super(MaxFreeRatioFlagName);
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46 }
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47
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48 public void test() {
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49
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50 int minHeapFreeValue = DynamicVMOptionChecker.getIntValue(MinFreeRatioFlagName);
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51 System.out.println(MinFreeRatioFlagName + " = " + minHeapFreeValue);
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52
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53 testPercentageValues();
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54
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55 checkInvalidValue(Integer.toString(minHeapFreeValue - 1));
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56 checkValidValue(Integer.toString(minHeapFreeValue));
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57 checkValidValue("100");
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58 }
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59
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60 public static void main(String args[]) throws Exception {
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61 new TestDynMaxHeapFreeRatio().test();
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62 }
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63
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64 }