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139 lines (130 loc) · 3.08 KB
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/*
* Copyright (C) 2014 Klaus Reimer <k@ailis.de>
* See LICENSE.md for licensing information.
*/
package org.usb4java;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.usb4java.test.UsbAssume.assumeUsbTestsEnabled;
import static org.usb4java.test.UsbAssume.isUsbTestsEnabled;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Tests the {@link DeviceList} class.
*
* @author Klaus Reimer (k@ailis.de)
*/
public class DeviceListTest
{
/**
* Setup test.
*/
@Before
public void setUp()
{
if (isUsbTestsEnabled())
{
LibUsb.init(null);
}
}
/**
* Tear down test.
*/
@After
public void tearDown()
{
if (isUsbTestsEnabled())
{
LibUsb.exit(null);
}
}
/**
* Tests the {@link DeviceList#equals(Object)} method.
*/
@Test
public void testEquals()
{
assumeUsbTestsEnabled();
DeviceList a = new DeviceList();
DeviceList b = new DeviceList();
DeviceList c = new DeviceList();
DeviceList d = new DeviceList();
LibUsb.getDeviceList(null, a);
LibUsb.getDeviceList(null, b);
try
{
assertTrue(c.equals(d));
assertTrue(a.equals(a));
assertTrue(b.equals(b));
assertFalse(a.equals(b));
assertFalse(a.equals(null));
assertFalse(a.equals(""));
}
finally
{
LibUsb.freeDeviceList(a, true);
LibUsb.freeDeviceList(b, true);
}
}
/**
* Tests the {@link DeviceList#hashCode()} method.
*/
@Test
public void testHashCode()
{
assumeUsbTestsEnabled();
DeviceList list = new DeviceList();
LibUsb.getDeviceList(null, list);
try
{
assertEquals(list.hashCode(), list.hashCode());
}
finally
{
LibUsb.freeDeviceList(list, true);
}
}
/**
* Tests the {@link DeviceList#toString()} method
*/
@Test
public void testToString()
{
assumeUsbTestsEnabled();
DeviceList list = new DeviceList();
LibUsb.getDeviceList(null, list);
try
{
assertNotNull(list.toString());
assertTrue(list.toString().length() > 0);
}
finally
{
LibUsb.freeDeviceList(list, true);
}
}
/**
* Tests the {@link DeviceList#getPointer()} method
*/
@Test
public void testGe()
{
assumeUsbTestsEnabled();
assumeUsbTestsEnabled();
DeviceList list = new DeviceList();
assertEquals(0, list.getPointer());
LibUsb.getDeviceList(null, list);
try
{
assertNotEquals(0, list.getPointer());
}
finally
{
LibUsb.freeDeviceList(list, true);
}
}
}