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105 lines
3.2 KiB
Java
105 lines
3.2 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.oracle.java.testlibrary;
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/**
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* Simple class to check writeability, invalid and valid values for concrete VMOption
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*/
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public class TestDynamicVMOption {
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private final String name;
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private final int value;
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/**
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* Constructor
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*
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* @param name of VM option to test
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*/
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public TestDynamicVMOption(String name) {
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this.name = name;
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this.value = DynamicVMOptionChecker.getIntValue(name);
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System.out.println(this.name + " = " + this.value);
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}
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/**
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* Checks that this value can accept valid percentage values and cannot accept invalid percentage values
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*
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* @throws RuntimeException
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*/
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public void testPercentageValues() {
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checkInvalidValue(Integer.toString(Integer.MIN_VALUE));
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checkInvalidValue(Integer.toString(Integer.MAX_VALUE));
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checkInvalidValue("-10");
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checkInvalidValue("190");
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}
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/**
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* Reads VM option from PlatformMXBean and parse it to integer value
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*
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* @return value
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*/
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public int getIntValue() {
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return DynamicVMOptionChecker.getIntValue(this.name);
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}
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/**
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* Sets VM option value
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*
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* @param value to set
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*/
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public void setIntValue(int value) {
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DynamicVMOptionChecker.setIntValue(this.name, value);
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}
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/**
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* Checks that this VM option is dynamically writable
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*
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* @throws RuntimeException if option if not writable
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* @return true
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*/
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public boolean checkIsWritable() throws RuntimeException {
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return DynamicVMOptionChecker.checkIsWritable(this.name);
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}
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/**
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* Checks that value for this VM option cannot be set
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*
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* @param value to check
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* @throws RuntimeException on error - when expected exception hasn't been thrown
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*/
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public void checkInvalidValue(String value) {
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DynamicVMOptionChecker.checkInvalidValue(this.name, value);
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}
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/**
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* Checks that value for this VM option can be set
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*
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* @param value to check
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* @throws RuntimeException on error - when value in VM is not equal to origin
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*/
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public void checkValidValue(String value) {
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DynamicVMOptionChecker.checkValidValue(this.name, value);
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}
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}
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