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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.internal.net.eap.message.simaka.attributes;
import static com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.EAP_AT_NONCE_MT;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_NONCE_INVALID_LENGTH;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_NONCE_MT;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.NONCE_MT;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import com.android.internal.net.eap.exceptions.simaka.EapSimAkaInvalidAttributeException;
import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute;
import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.AtNonceMt;
import com.android.internal.net.eap.message.simaka.EapSimAttributeFactory;
import org.junit.Before;
import org.junit.Test;
import java.nio.ByteBuffer;
public class AtNonceMtTest {
private static final byte[] INVALID_NONCE = new byte[10];
private static final int EXPECTED_LENGTH = 20;
private EapSimAttributeFactory mEapSimAttributeFactory;
@Before
public void setUp() {
mEapSimAttributeFactory = EapSimAttributeFactory.getInstance();
}
@Test
public void testConstructorInvalidNonceLength() {
try {
new AtNonceMt(INVALID_NONCE);
fail("Expected EapSimAkaInvalidAttributeException for invalid NonceMt length");
} catch (EapSimAkaInvalidAttributeException expected) {
}
}
@Test
public void testDecode() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_NONCE_MT);
EapSimAkaAttribute result = mEapSimAttributeFactory.getAttribute(input);
assertFalse(input.hasRemaining());
assertTrue(result instanceof AtNonceMt);
AtNonceMt atNonceMt = (AtNonceMt) result;
assertEquals(EAP_AT_NONCE_MT, atNonceMt.attributeType);
assertEquals(EXPECTED_LENGTH, atNonceMt.lengthInBytes);
assertArrayEquals(NONCE_MT, atNonceMt.nonceMt);
}
@Test
public void testDecodeInvalidLength() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_NONCE_INVALID_LENGTH);
try {
mEapSimAttributeFactory.getAttribute(input);
fail("Expected EapSimAkaInvalidAttributeException for invalid attribute length");
} catch (EapSimAkaInvalidAttributeException expected) {
}
}
@Test
public void testEncode() throws EapSimAkaInvalidAttributeException {
AtNonceMt atNonceMt = new AtNonceMt(NONCE_MT);
ByteBuffer result = ByteBuffer.allocate(EXPECTED_LENGTH);
atNonceMt.encode(result);
assertArrayEquals(AT_NONCE_MT, result.array());
}
}
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