Mercurial > jdk8-mips64-public > hotspot / annotate
test/testlibrary/com/oracle/java/testlibrary/TestDynamicVMOption.java@3b4e1b5c13a0 (annotated)
test/testlibrary/com/oracle/java/testlibrary/TestDynamicVMOption.java
Thu, 20 Mar 2014 16:31:47 +0100
- author
- jwilhelm
- date
- Thu, 20 Mar 2014 16:31:47 +0100
- changeset 6400
- 3b4e1b5c13a0
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
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
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | package com.oracle.java.testlibrary; |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | /** |
| aoqi@0 | 26 | * Simple class to check writeability, invalid and valid values for concrete VMOption |
| aoqi@0 | 27 | */ |
| aoqi@0 | 28 | public class TestDynamicVMOption { |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | private final String name; |
| aoqi@0 | 31 | private final int value; |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | /** |
| aoqi@0 | 34 | * Constructor |
| aoqi@0 | 35 | * |
| aoqi@0 | 36 | * @param name of VM option to test |
| aoqi@0 | 37 | */ |
| aoqi@0 | 38 | public TestDynamicVMOption(String name) { |
| aoqi@0 | 39 | this.name = name; |
| aoqi@0 | 40 | this.value = DynamicVMOptionChecker.getIntValue(name); |
| aoqi@0 | 41 | System.out.println(this.name + " = " + this.value); |
| aoqi@0 | 42 | } |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | /** |
| aoqi@0 | 45 | * Checks that this value can accept valid percentage values and cannot accept invalid percentage values |
| aoqi@0 | 46 | * |
| aoqi@0 | 47 | * @throws RuntimeException |
| aoqi@0 | 48 | */ |
| aoqi@0 | 49 | public void testPercentageValues() { |
| aoqi@0 | 50 | checkInvalidValue(Integer.toString(Integer.MIN_VALUE)); |
| aoqi@0 | 51 | checkInvalidValue(Integer.toString(Integer.MAX_VALUE)); |
| aoqi@0 | 52 | checkInvalidValue("-10"); |
| aoqi@0 | 53 | checkInvalidValue("190"); |
| aoqi@0 | 54 | } |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | /** |
| aoqi@0 | 57 | * Reads VM option from PlatformMXBean and parse it to integer value |
| aoqi@0 | 58 | * |
| aoqi@0 | 59 | * @return value |
| aoqi@0 | 60 | */ |
| aoqi@0 | 61 | public int getIntValue() { |
| aoqi@0 | 62 | return DynamicVMOptionChecker.getIntValue(this.name); |
| aoqi@0 | 63 | } |
| aoqi@0 | 64 | |
| aoqi@0 | 65 | /** |
| aoqi@0 | 66 | * Sets VM option value |
| aoqi@0 | 67 | * |
| aoqi@0 | 68 | * @param value to set |
| aoqi@0 | 69 | */ |
| aoqi@0 | 70 | public void setIntValue(int value) { |
| aoqi@0 | 71 | DynamicVMOptionChecker.setIntValue(this.name, value); |
| aoqi@0 | 72 | } |
| aoqi@0 | 73 | |
| aoqi@0 | 74 | /** |
| aoqi@0 | 75 | * Checks that this VM option is dynamically writable |
| aoqi@0 | 76 | * |
| aoqi@0 | 77 | * @throws RuntimeException if option if not writable |
| aoqi@0 | 78 | * @return true |
| aoqi@0 | 79 | */ |
| aoqi@0 | 80 | public boolean checkIsWritable() throws RuntimeException { |
| aoqi@0 | 81 | return DynamicVMOptionChecker.checkIsWritable(this.name); |
| aoqi@0 | 82 | } |
| aoqi@0 | 83 | |
| aoqi@0 | 84 | /** |
| aoqi@0 | 85 | * Checks that value for this VM option cannot be set |
| aoqi@0 | 86 | * |
| aoqi@0 | 87 | * @param value to check |
| aoqi@0 | 88 | * @throws RuntimeException on error - when expected exception hasn't been thrown |
| aoqi@0 | 89 | */ |
| aoqi@0 | 90 | public void checkInvalidValue(String value) { |
| aoqi@0 | 91 | DynamicVMOptionChecker.checkInvalidValue(this.name, value); |
| aoqi@0 | 92 | } |
| aoqi@0 | 93 | |
| aoqi@0 | 94 | /** |
| aoqi@0 | 95 | * Checks that value for this VM option can be set |
| aoqi@0 | 96 | * |
| aoqi@0 | 97 | * @param value to check |
| aoqi@0 | 98 | * @throws RuntimeException on error - when value in VM is not equal to origin |
| aoqi@0 | 99 | */ |
| aoqi@0 | 100 | public void checkValidValue(String value) { |
| aoqi@0 | 101 | DynamicVMOptionChecker.checkValidValue(this.name, value); |
| aoqi@0 | 102 | } |
| aoqi@0 | 103 | |
| aoqi@0 | 104 | } |
