/*
* Copyright (c) 2011, Kustaa Nyholm / SpareTimeLabs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* Neither the name of the Kustaa Nyholm or SpareTimeLabs nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
package purejavacomm.testsuite;
import java.io.IOException;
import purejavacomm.PureJavaSerialPort;
import purejavacomm.SerialPortEvent;
import purejavacomm.SerialPortEventListener;
public class Test11 extends TestBase {
static volatile boolean m_ThreadRunning;
static volatile boolean m_ExitViaException;
static void run() throws Exception {
try {
begin("Test11 - exit from blocking read/write ");
// interrupting blocking read test -------------------------
openPort();
m_Out = m_Port.getOutputStream();
m_In = m_Port.getInputStream();
m_Port.disableReceiveTimeout();
m_Port.disableReceiveThreshold();
Thread thread = new Thread(new Runnable() {
public void run() {
m_ThreadRunning = true;
byte[] rxbuffer = new byte[1];
try {
int rxn = m_In.read(rxbuffer, 0, rxbuffer.length);
} catch (Exception e) {
m_ExitViaException = true;
}
m_ThreadRunning = false;
}
});
m_ThreadRunning = false;
m_ExitViaException = false;
thread.start();
while (!m_ThreadRunning)
Thread.sleep(10);
m_Port.close();// do not closePort() because flushing may block
m_Port = null;
Thread.sleep(1000);
if (!m_ExitViaException)
fail("closing failed to interrupt a blocking read()");
// interrupting blocking write test -------------------------
openPort();
m_Out = m_Port.getOutputStream();
m_In = m_Port.getInputStream();
m_Port.disableReceiveTimeout();
m_Port.disableReceiveThreshold();
thread = new Thread(new Runnable() {
public void run() {
final byte[] txbuffer = new byte[4 * 1024];
m_ThreadRunning = true;
try {
while (true)
m_Out.write(txbuffer, 0, txbuffer.length);
} catch (Exception e) {
m_ExitViaException = true;
}
m_ThreadRunning = false;
}
});
m_ThreadRunning = false;
m_ExitViaException = false;
thread.start();
while (!m_ThreadRunning)
Thread.sleep(10);
m_Port.close(); // do not closePort() because flushing may block
m_Port = null;
Thread.sleep(10);
if (!m_ExitViaException)
fail("closing failed to interrupt a blocking write()");
Thread.sleep(4000); // the port maybe busy if previously written data has not been transmitted so we need to wait before continuing testing
// interrupting the internal thread -------------------------
openPort();
m_Port.addEventListener(new SerialPortEventListener() {
public void serialEvent(SerialPortEvent event) {
}
});
m_Port.notifyOnDataAvailable(true);
m_Port.disableReceiveTimeout();
m_Port.disableReceiveThreshold();
m_Port.close();
if (((PureJavaSerialPort) m_Port).isInternalThreadRunning())
fail("internal thread failed to stop");
m_Port = null;
finishedOK();
} finally {
closePort();
}
}
}