1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * The contents of this file are subject to the terms of either the Universal Permissive License 7 * v 1.0 as shown at http://oss.oracle.com/licenses/upl 8 * 9 * or the following license: 10 * 11 * Redistribution and use in source and binary forms, with or without modification, are permitted 12 * provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions 15 * and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of 18 * conditions and the following disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to 22 * endorse or promote products derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 package org.openjdk.jmc.rjmx.test.subscription; 34 35 import static org.junit.Assert.fail; 36 37 import org.junit.Test; 38 39 import org.openjdk.jmc.rjmx.ConnectionToolkit; 40 import org.openjdk.jmc.rjmx.test.RjmxTestCase; 41 import org.openjdk.jmc.rjmx.test.testutil.TestToolkit; 42 43 /** 44 * Tests the JRockit specific parts of the OSMBean. 45 */ 46 public class JmxOperatingSystemTest extends RjmxTestCase { 47 48 @Test 49 public void testGetCPULoad() { 50 try { 51 Object data = getMBeanServerConnection().getAttribute(ConnectionToolkit.OPERATING_SYSTEM_BEAN_NAME, 52 "SystemCpuLoad"); 53 double cpuLoad = ((Number) data).doubleValue(); 54 55 // A negative value is returned if load is not available 56 assertMax("CPU Load", 100.0, cpuLoad); 57 TestToolkit.println("CPU Load: " + cpuLoad); 58 } catch (Exception e) { 59 fail(e.getMessage()); 60 } 61 } 62 63 @Test 64 public void testGetCPUJVMLoad() { 65 try { 66 Object data = getMBeanServerConnection().getAttribute(ConnectionToolkit.OPERATING_SYSTEM_BEAN_NAME, 67 "ProcessCpuLoad"); 68 double jvmLoad = ((Number) data).doubleValue(); 69 70 // A negative value is returned if load is not available 71 assertMax("JVM Load", 100.0, jvmLoad); 72 TestToolkit.println("JVM Load: " + jvmLoad); 73 } catch (Exception e) { 74 fail(e.getMessage()); 75 } 76 } 77 78 @Test 79 public void testGetTotalPhysicalMemory() { 80 try { 81 Object data = getMBeanServerConnection().getAttribute(ConnectionToolkit.OPERATING_SYSTEM_BEAN_NAME, 82 "TotalPhysicalMemorySize"); 83 long totalPhysicalMemory = ((Number) data).longValue(); 84 assertMin("TotalPhysicalMemory", 256 * 1024 * 1024L, totalPhysicalMemory); 85 } catch (Exception e) { 86 fail(e.getMessage()); 87 } 88 } 89 90 @Test 91 public void testGetUsedPhysicalMemory() { 92 try { 93 Object data = getMBeanServerConnection().getAttribute(ConnectionToolkit.OPERATING_SYSTEM_BEAN_NAME, 94 "UsedPhysicalMemorySize"); 95 long usedPhysicalMemory = ((Number) data).longValue(); 96 assertMin("UsedPhysicalMemory", 16 * 1024 * 1024L, usedPhysicalMemory); 97 } catch (Exception e) { 98 fail(e.getMessage()); 99 } 100 } 101 }