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/*

* Copyright (C) 2013 Klaus Reimer <k@ailis.de>

* See LICENSE.md for licensing information.

*/

package org.usb4java;

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;

import org.usb4java.Interface;

import org.usb4java.LibUsb;

/**

* Tests the {@link Interface} class.

*

* @author Klaus Reimer (k@ailis.de)

*/

public class InterfaceTest

{

/** The test subject. */

private Interface descriptor;

/**

* Setup test.

*/

@Before

public void setUp()

{

if (isUsbTestsEnabled())

{

LibUsb.init(null);

this.descriptor = new Interface();

}

}

/**

* Tear down test.

*/

@After

public void tearDown()

{

if (isUsbTestsEnabled())

{

LibUsb.exit(null);

}

}

/**

* Tests uninitialized access to {@link Interface#altsetting()}

*/

@Test(expected = IllegalStateException.class)

public void testUninitializedAltsetting()

{

assumeUsbTestsEnabled();

this.descriptor.altsetting();

}

/**

* Tests uninitialized access to {@link Interface#numAltsetting()}

*/

@Test(expected = IllegalStateException.class)

public void testUninitializedDescriptorType()

{

assumeUsbTestsEnabled();

this.descriptor.numAltsetting();

}

}