Add unit test for SimpleUsbDeviceDescriptor
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Klaus Reimer
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/*
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* Copyright (C) 2013 Klaus Reimer <k@ailis.de>
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* See LICENSE.md for licensing information.
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*/
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package de.ailis.usb4java.descriptors;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotEquals;
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import static org.junit.Assert.assertNotSame;
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import static org.junit.Assert.assertTrue;
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import org.junit.BeforeClass;
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import org.junit.Test;
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor}.
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*
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* @author Klaus Reimer (k@ailis.de)
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*/
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public class SimpleUsbDeviceDescriptorTest
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{
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/** The test subject. */
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private static SimpleUsbDeviceDescriptor descriptor;
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/** Value for {@link SimpleUsbDeviceDescriptor#bLength()}. */
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private static final byte LENGTH = 1;
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/** Value for {@link SimpleUsbDeviceDescriptor#bDescriptorType()}. */
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private static final byte DESCRIPTOR_TYPE = 2;
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/** Value for {@link SimpleUsbDeviceDescriptor#bcdUSB()}. */
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private static final short USB = 3;
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/** Value for {@link SimpleUsbDeviceDescriptor#bDeviceClass()}. */
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private static final byte DEVICE_CLASS = 4;
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/** Value for {@link SimpleUsbDeviceDescriptor#bDeviceSubClass()}. */
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private static final byte DEVICE_SUB_CLASS = 5;
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/** Value for {@link SimpleUsbDeviceDescriptor#bDeviceProtocol()}. */
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private static final byte DEVICE_PROTOCOL = 6;
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/** Value for {@link SimpleUsbDeviceDescriptor#bMaxPacketSize0()}. */
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private static final byte MAX_PACKET_SIZE0 = 7;
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/** Value for {@link SimpleUsbDeviceDescriptor#idVendor()}. */
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private static final short ID_VENDOR = 8;
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/** Value for {@link SimpleUsbDeviceDescriptor#idProduct()}. */
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private static final short ID_PRODUCT = 9;
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/** Value for {@link SimpleUsbDeviceDescriptor#bcdDevice()}. */
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private static final short DEVICE = 10;
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/** Value for {@link SimpleUsbDeviceDescriptor#iManufacturer()}. */
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private static final byte MANUFACTURER = 11;
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/** Value for {@link SimpleUsbDeviceDescriptor#iProduct()}. */
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private static final byte PRODUCT = 12;
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/** Value for {@link SimpleUsbDeviceDescriptor#iSerialNumber()}. */
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private static final byte SERIAL_NUMBER = 13;
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/** Value for {@link SimpleUsbDeviceDescriptor#bNumConfigurations()}. */
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private static final byte NUM_CONFIGURATIONS = 14;
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/** A wrong value for equality test. */
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private static final byte WRONG = 0;
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/**
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* Setup the test subject.
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*/
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@BeforeClass
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public static void setUp()
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{
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descriptor = new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS);
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}
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/**
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* Tests the copy constructor.
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*/
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@Test
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public void testCopyConstructor()
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{
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final SimpleUsbDeviceDescriptor copy =
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new SimpleUsbDeviceDescriptor(descriptor);
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assertNotSame(copy, descriptor);
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assertEquals(copy, descriptor);
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bLength()} method.
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*/
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@Test
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public void testLength()
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{
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assertEquals(LENGTH, descriptor.bLength());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bDescriptorType()} method.
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*/
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@Test
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public void testDescriptorType()
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{
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assertEquals(DESCRIPTOR_TYPE, descriptor.bDescriptorType());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bcdUSB()} method.
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*/
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@Test
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public void testUSB()
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{
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assertEquals(USB, descriptor.bcdUSB());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bDeviceClass()} method.
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*/
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@Test
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public void testDeviceClass()
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{
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assertEquals(DEVICE_CLASS, descriptor.bDeviceClass());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bDeviceSubClass()} method.
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*/
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@Test
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public void testDeviceSubClass()
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{
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assertEquals(DEVICE_SUB_CLASS, descriptor.bDeviceSubClass());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bMaxPacketSize0()} method.
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*/
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@Test
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public void testMaxPacketSize0()
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{
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assertEquals(MAX_PACKET_SIZE0, descriptor.bMaxPacketSize0());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#idVendor()} method.
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*/
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@Test
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public void testIdVendor()
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{
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assertEquals(ID_VENDOR, descriptor.idVendor());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#idProduct()} method.
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*/
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@Test
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public void testIdProduct()
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{
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assertEquals(ID_PRODUCT, descriptor.idProduct());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bcdDevice()} method.
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*/
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@Test
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public void testDevice()
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{
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assertEquals(DEVICE, descriptor.bcdDevice());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#iManufacturer()} method.
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*/
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@Test
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public void testManufacturer()
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{
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assertEquals(MANUFACTURER, descriptor.iManufacturer());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#iProduct()} method.
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*/
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@Test
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public void testProduct()
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{
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assertEquals(PRODUCT, descriptor.iProduct());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#iSerialNumber()} method.
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*/
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@Test
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public void testSerialNumber()
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{
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assertEquals(SERIAL_NUMBER, descriptor.iSerialNumber());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#bNumConfigurations()} method.
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*/
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@Test
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public void testNumConfigurations()
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{
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assertEquals(NUM_CONFIGURATIONS, descriptor.bNumConfigurations());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#hashCode()} method.
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*/
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@Test
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public void testHashCode()
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{
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final int code = descriptor.hashCode();
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assertEquals(code, descriptor.hashCode());
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assertEquals(code,
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new SimpleUsbDeviceDescriptor(descriptor).hashCode());
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#equals(Object)} method.
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*/
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@Test
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public void testEquals()
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{
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assertFalse(descriptor.equals(null));
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assertFalse(descriptor.equals(new Object()));
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assertTrue(descriptor.equals(descriptor));
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assertTrue(descriptor.equals(new SimpleUsbDeviceDescriptor(
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descriptor)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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WRONG, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, WRONG, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, WRONG, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, WRONG, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, WRONG,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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WRONG, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, WRONG, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, WRONG, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, WRONG, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, WRONG,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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WRONG, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, WRONG, SERIAL_NUMBER, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, WRONG, NUM_CONFIGURATIONS)));
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assertFalse(descriptor.equals(new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, WRONG)));
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}
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/**
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* Tests the {@link SimpleUsbDeviceDescriptor#toString()} method.
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*/
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@Test
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public void testToString()
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{
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assertEquals(descriptor.toString(), descriptor.toString());
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assertEquals(descriptor.toString(),
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new SimpleUsbDeviceDescriptor(descriptor).toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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WRONG, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, WRONG, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, WRONG, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, WRONG, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, WRONG,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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WRONG, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, WRONG, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, WRONG, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, WRONG, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, WRONG,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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WRONG, PRODUCT, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, WRONG, SERIAL_NUMBER, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, WRONG, NUM_CONFIGURATIONS)
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.toString());
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assertNotEquals(descriptor.toString(), new SimpleUsbDeviceDescriptor(
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LENGTH, DESCRIPTOR_TYPE, USB, DEVICE_CLASS, DEVICE_SUB_CLASS,
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DEVICE_PROTOCOL, MAX_PACKET_SIZE0, ID_VENDOR, ID_PRODUCT, DEVICE,
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MANUFACTURER, PRODUCT, SERIAL_NUMBER, WRONG)
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.toString());
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}
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}
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