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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.ike.eap.message.simaka.attributes;
import static com.android.ike.eap.message.simaka.EapSimAkaAttribute.EAP_AT_COUNTER;
import static com.android.ike.eap.message.simaka.EapSimAkaAttribute.EAP_AT_COUNTER_TOO_SMALL;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_COUNTER;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_COUNTER_INVALID_LENGTH;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_COUNTER_TOO_SMALL;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_COUNTER_TOO_SMALL_INVALID_LENGTH;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.COUNTER_INT;
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.ike.eap.exceptions.simaka.EapSimAkaInvalidAttributeException;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtCounter;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtCounterTooSmall;
import com.android.ike.eap.message.simaka.EapSimAkaAttributeFactory;
import org.junit.Before;
import org.junit.Test;
import java.nio.ByteBuffer;
public class AtCounterTest {
private static final int EXPECTED_LENGTH = 4;
private EapSimAkaAttributeFactory mAttributeFactory;
@Before
public void setUp() {
mAttributeFactory = new EapSimAkaAttributeFactory() {};
}
@Test
public void testDecodeAtCounter() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_COUNTER);
EapSimAkaAttribute result = mAttributeFactory.getAttribute(input);
assertFalse(input.hasRemaining());
assertTrue(result instanceof AtCounter);
AtCounter atCounter = (AtCounter) result;
assertEquals(EAP_AT_COUNTER, atCounter.attributeType);
assertEquals(EXPECTED_LENGTH, atCounter.lengthInBytes);
assertEquals(COUNTER_INT, atCounter.counter);
}
@Test
public void testDecodeAtCounterInvalidLength() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_COUNTER_INVALID_LENGTH);
try {
mAttributeFactory.getAttribute(input);
fail("Expected EapSimAkaInvalidAttributeException for invalid length");
} catch (EapSimAkaInvalidAttributeException expected) {
}
}
@Test
public void testEncodeAtCounter() throws Exception {
AtCounter atCounter = new AtCounter(COUNTER_INT);
ByteBuffer result = ByteBuffer.allocate(EXPECTED_LENGTH);
atCounter.encode(result);
assertArrayEquals(AT_COUNTER, result.array());
}
@Test
public void testAtCounterTooSmallConstructor() throws Exception {
AtCounterTooSmall atCounterTooSmall = new AtCounterTooSmall();
assertEquals(EAP_AT_COUNTER_TOO_SMALL, atCounterTooSmall.attributeType);
assertEquals(EXPECTED_LENGTH, atCounterTooSmall.lengthInBytes);
}
@Test
public void testDecodeAtCounterTooSmall() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_COUNTER_TOO_SMALL);
EapSimAkaAttribute result = mAttributeFactory.getAttribute(input);
assertFalse(input.hasRemaining());
assertTrue(result instanceof AtCounterTooSmall);
AtCounterTooSmall atCounterTooSmall = (AtCounterTooSmall) result;
assertEquals(EAP_AT_COUNTER_TOO_SMALL, atCounterTooSmall.attributeType);
assertEquals(EXPECTED_LENGTH, atCounterTooSmall.lengthInBytes);
}
@Test
public void testDecodeAtCounterTooSmallInvalidLength() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_COUNTER_TOO_SMALL_INVALID_LENGTH);
try {
mAttributeFactory.getAttribute(input);
fail("Expected EapSimAkaInvalidAttributeException for invalid length");
} catch (EapSimAkaInvalidAttributeException expected) {
}
}
@Test
public void testEncodeAtCounterTooSmall() throws Exception {
AtCounterTooSmall atCounterTooSmall = new AtCounterTooSmall();
ByteBuffer result = ByteBuffer.allocate(EXPECTED_LENGTH);
atCounterTooSmall.encode(result);
assertArrayEquals(AT_COUNTER_TOO_SMALL, result.array());
}
}
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