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comparison 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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17745:c96e9c8adb81 17751:3b4e1b5c13a0
1 /*
2 * Copyright (c) 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 TestDynMaxHeapFreeRatio
26 * @bug 8028391
27 * @summary Verify that MaxHeapFreeRatio flag is manageable
28 * @library /testlibrary
29 * @run main TestDynMaxHeapFreeRatio
30 * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
31 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio
32 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio
33 * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio
34 * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
35 */
36 import com.oracle.java.testlibrary.TestDynamicVMOption;
37 import com.oracle.java.testlibrary.DynamicVMOptionChecker;
38
39 public class TestDynMaxHeapFreeRatio extends TestDynamicVMOption {
40
41 public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";
42 public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";
43
44 public TestDynMaxHeapFreeRatio() {
45 super(MaxFreeRatioFlagName);
46 }
47
48 public void test() {
49
50 int minHeapFreeValue = DynamicVMOptionChecker.getIntValue(MinFreeRatioFlagName);
51 System.out.println(MinFreeRatioFlagName + " = " + minHeapFreeValue);
52
53 testPercentageValues();
54
55 checkInvalidValue(Integer.toString(minHeapFreeValue - 1));
56 checkValidValue(Integer.toString(minHeapFreeValue));
57 checkValidValue("100");
58 }
59
60 public static void main(String args[]) throws Exception {
61 new TestDynMaxHeapFreeRatio().test();
62 }
63
64 }