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Add unit test for SimpleUsbInterfaceDescriptor class

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Klaus Reimer 2013-04-13 16:47:00 +02:00
parent c6289ccbbd
commit 8d47953150
1 changed files with 281 additions and 0 deletions
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src/test/java/de/ailis/usb4java/descriptors/SimpleUsbInterfaceDescriptorTest.java Normal file
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/*
* Copyright (C) 2013 Klaus Reimer <k@ailis.de>
* See LICENSE.md for licensing information.
*/
package de.ailis.usb4java.descriptors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertTrue;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Tests the {@link SimpleUsbInterfaceDescriptor}.
*
* @author Klaus Reimer (k@ailis.de)
*/
public class SimpleUsbInterfaceDescriptorTest
{
/** The test subject. */
private static SimpleUsbInterfaceDescriptor descriptor;
/** Value for {@link SimpleUsbInterfaceDescriptor#bLength()}. */
private static final byte LENGTH = 1;
/** Value for {@link SimpleUsbInterfaceDescriptor#bDescriptorType()}. */
private static final byte DESCRIPTOR_TYPE = 2;
/** Value for {@link SimpleUsbInterfaceDescriptor#bInterfaceNumber()}. */
private static final byte INTERFACE_NUMBER = 3;
/** Value for {@link SimpleUsbInterfaceDescriptor#bAlternateSetting()}. */
private static final byte ALTERNATE_SETTING = 4;
/** Value for {@link SimpleUsbInterfaceDescriptor#bNumEndpoints()}. */
private static final byte NUM_ENDPOINTS = 5;
/** Value for {@link SimpleUsbInterfaceDescriptor#bInterfaceClass()}. */
private static final byte INTERFACE_CLASS = 6;
/** Value for {@link SimpleUsbInterfaceDescriptor#bInterfaceSubClass()}. */
private static final byte INTERFACE_SUB_CLASS = 7;
/** Value for {@link SimpleUsbInterfaceDescriptor#bInterfaceProtocol()}. */
private static final byte INTERFACE_PROTOCOL = 8;
/** Value for {@link SimpleUsbInterfaceDescriptor#iInterface()}. */
private static final byte INTERFACE = 9;
/** A wrong value for equality test. */
private static final byte WRONG = 0;
/**
* Setup the test subject.
*/
@BeforeClass
public static void setUp()
{
descriptor = new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE);
}
/**
* Tests the copy constructor.
*/
@Test
public void testCopyConstructor()
{
final SimpleUsbInterfaceDescriptor copy =
new SimpleUsbInterfaceDescriptor(descriptor);
assertNotSame(copy, descriptor);
assertEquals(copy, descriptor);
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bLength()} method.
*/
@Test
public void testLength()
{
assertEquals(LENGTH, descriptor.bLength());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bDescriptorType()} method.
*/
@Test
public void testDescriptorType()
{
assertEquals(DESCRIPTOR_TYPE, descriptor.bDescriptorType());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bInterfaceNumber()} method.
*/
@Test
public void testInterfaceNumber()
{
assertEquals(INTERFACE_NUMBER, descriptor.bInterfaceNumber());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bAlternateSetting()}
* method.
*/
@Test
public void testAlternateSetting()
{
assertEquals(ALTERNATE_SETTING, descriptor.bAlternateSetting());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bNumEndpoints()} method.
*/
@Test
public void testNumEndpoints()
{
assertEquals(NUM_ENDPOINTS, descriptor.bNumEndpoints());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bInterfaceClass()} method.
*/
@Test
public void testInterfaceClass()
{
assertEquals(INTERFACE_CLASS, descriptor.bInterfaceClass());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bInterfaceSubClass()}
* method.
*/
@Test
public void testInterfaceSubClass()
{
assertEquals(INTERFACE_SUB_CLASS, descriptor.bInterfaceSubClass());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#bInterfaceProtocol()}
* method.
*/
@Test
public void testInterfaceProtocol()
{
assertEquals(INTERFACE_PROTOCOL, descriptor.bInterfaceProtocol());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#iInterface()} method.
*/
@Test
public void testInterface()
{
assertEquals(INTERFACE, descriptor.iInterface());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#hashCode()} method.
*/
@Test
public void testHashCode()
{
final int code = descriptor.hashCode();
assertEquals(code, descriptor.hashCode());
assertEquals(code,
new SimpleUsbInterfaceDescriptor(descriptor).hashCode());
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#equals(Object)} method.
*/
@Test
public void testEquals()
{
assertFalse(descriptor.equals(null));
assertFalse(descriptor.equals(new Object()));
assertTrue(descriptor.equals(descriptor));
assertTrue(descriptor.equals(new SimpleUsbInterfaceDescriptor(
descriptor)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
WRONG, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, WRONG, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, WRONG, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, WRONG,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
WRONG, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, WRONG, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, WRONG,
INTERFACE_PROTOCOL, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
WRONG, INTERFACE)));
assertFalse(descriptor.equals(new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, WRONG)));
}
/**
* Tests the {@link SimpleUsbInterfaceDescriptor#toString()} method.
*/
@Test
public void testToString()
{
assertEquals(descriptor.toString(), descriptor.toString());
assertEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(descriptor).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
WRONG, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, WRONG, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, WRONG, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, WRONG,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
WRONG, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, WRONG, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, WRONG,
INTERFACE_PROTOCOL, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
WRONG, INTERFACE).toString());
assertNotEquals(descriptor.toString(),
new SimpleUsbInterfaceDescriptor(
LENGTH, DESCRIPTOR_TYPE, INTERFACE_NUMBER, ALTERNATE_SETTING,
NUM_ENDPOINTS, INTERFACE_CLASS, INTERFACE_SUB_CLASS,
INTERFACE_PROTOCOL, WRONG).toString());
}
}