Commons IO example source code file (ThreadMonitorTestCase.java)

This example Commons IO source code file (ThreadMonitorTestCase.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons IO tags/keywords

exception, expected, interruptedexception, interruptedexception, monitor, out, testcase, thread, thread, threadmonitortestcase, threadmonitortestcase, timed, timeout, timeout

The Commons IO ThreadMonitorTestCase.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.io;

import junit.framework.TestCase;

/**
 * Tests for {@link ThreadMonitor}.
 */
public class ThreadMonitorTestCase extends TestCase {


    public ThreadMonitorTestCase(String name) {
        super(name);
    }

    /**
     * Test timeout.
     */
    public void testTimeout() {
        try {
            Thread monitor = ThreadMonitor.start(100);
            Thread.sleep(200);
            ThreadMonitor.stop(monitor);
            fail("Expected InterruptedException");
        } catch (InterruptedException e) {
            // expected result - timout
        }
    }

    /**
     * Test task completed before timeout.
     */
    public void testCompletedWithoutTimeout() {
        try {
            Thread monitor = ThreadMonitor.start(200);
            Thread.sleep(100);
            ThreadMonitor.stop(monitor);
        } catch (InterruptedException e) {
            fail("Timed Out");
        }
    }

    /**
     * Test No timeout.
     */
    public void testNoTimeout() {

        // timeout = -1
        try {
            Thread monitor = ThreadMonitor.start(-1);
            assertNull("Timeout -1, Monitor should be null", monitor);
            Thread.sleep(100);
            ThreadMonitor.stop(monitor);
        } catch (Exception e) {
            fail("Timeout -1, threw " + e);
        }

        // timeout = 0
        try {
            Thread monitor = ThreadMonitor.start(0);
            assertNull("Timeout 0, Monitor should be null", monitor);
            Thread.sleep(100);
            ThreadMonitor.stop(monitor);
        } catch (Exception e) {
            fail("Timeout 0, threw " + e);
        }
    }
}