/*
* org.openmicroscopy.shoola.util.tests.common.MockInputStream
*
*------------------------------------------------------------------------------
* Copyright (C) 2006 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.util.tests.common;
//Java imports
import java.io.IOException;
import java.io.InputStream;
//Third-party libraries
//Application-internal dependencies
import util.mocks.IMock;
import util.mocks.MethodSignature;
import util.mocks.MockSupport;
import util.mocks.MockedCall;
/**
*
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author <br>Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">
* a.falconi@dundee.ac.uk</a>
* @version 2.2
* <small>
* (<b>Internal version:</b> $Revision$ $Date$)
* </small>
* @since OME2.2
*/
public class MockInputStream
extends InputStream
implements IMock
{
private static final MethodSignature read3 =
new MethodSignature(MethodSignature.PUBLIC, int.class, "read",
new Class[] {byte[].class, int.class, int.class});
private static final MethodSignature close =
new MethodSignature(MethodSignature.PUBLIC, void.class, "close");
private MockSupport mockSupport;
public MockInputStream()
{
mockSupport = new MockSupport();
}
//Used in set up mode. If e != null then it must be either an instance
//of IOException or RuntimeException. If e != null then it will be
//thrown in verification mode.
public void read(byte[] buffer, int offset, int length, int retVal,
Exception e)
{
Object[] args = new Object[] {buffer, Integer.valueOf(offset),
Integer.valueOf(length)};
MockedCall mc = new MockedCall(read3, args, Integer.valueOf(retVal));
if (e != null) mc.setException(e);
mockSupport.add(mc);
}
//Used in verification mode. After verifying the call, it also writes
//1 into buffer[offset+i], i=0,..,length-1 if the return value is not -1.
//Then it returns that return value set in the set-up call.
public int read(byte[] buffer, int offset, int length)
throws IOException
{
Object[] args = new Object[] {buffer, Integer.valueOf(offset),
Integer.valueOf(length)};
MockedCall mc = new MockedCall(read3, args, Integer.valueOf(0));
mc = mockSupport.verifyCall(mc);
if (mc.hasException()) {
Exception e = (Exception) mc.getException();
if (e instanceof IOException)
throw (IOException) e;
throw (RuntimeException) e;
}
Integer r = (Integer) mc.getResult();
int retVal = r.intValue();
if (retVal != -1)
for (int i = 0; i < length; ++i) buffer[offset+i] = 1;
return retVal;
}
//Used in set up mode. If e != null then it must be either an instance
//of IOException or RuntimeException. If e != null then it will be
//thrown in verification mode.
public void close(Exception e)
{
MockedCall mc = new MockedCall(close);
if (e != null) mc.setException(e);
mockSupport.add(mc);
}
//Used in verification mode.
public void close()
throws IOException
{
MockedCall mc = new MockedCall(close);
mc = mockSupport.verifyCall(mc);
if (mc.hasException()) {
Exception e = (Exception) mc.getException();
if (e instanceof IOException)
throw (IOException) e;
throw (RuntimeException) e;
}
}
/**
* @see util.mocks.IMock#activate()
*/
public void activate()
{
mockSupport.activate();
}
/**
* @see util.mocks.IMock#verify()
*/
public void verify()
{
mockSupport.verifyCallSequence();
}
//Not used for our tests, implemented b/c abstract in superclass.
public int read() throws IOException { return 0; }
}