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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.TestUtils.hexStringToByteArray;
import static com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.EAP_AT_RAND;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_RAND_SIM;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_RAND_SIM_DUPLICATE_RANDS;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_RAND_SIM_INVALID_NUM_RANDS;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.RAND_1;
import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.RAND_2;
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.exceptions.simaka.EapSimInvalidAtRandException;
import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute;
import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.AtRandSim;
import com.android.internal.net.eap.message.simaka.EapSimAttributeFactory;
import org.junit.Before;
import org.junit.Test;
import java.nio.ByteBuffer;
public class AtRandSimTest {
private static final int EXPECTED_NUM_RANDS = 2;
private EapSimAttributeFactory mEapSimAttributeFactory;
@Before
public void setUp() {
mEapSimAttributeFactory = EapSimAttributeFactory.getInstance();
}
@Test
public void testDecode() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_RAND_SIM);
EapSimAkaAttribute result = mEapSimAttributeFactory.getAttribute(input);
assertFalse(input.hasRemaining());
assertTrue(result instanceof AtRandSim);
AtRandSim atRandSim = (AtRandSim) result;
assertEquals(EAP_AT_RAND, atRandSim.attributeType);
assertEquals(AT_RAND_SIM.length, atRandSim.lengthInBytes);
assertEquals(EXPECTED_NUM_RANDS, atRandSim.rands.size());
assertArrayEquals(hexStringToByteArray(RAND_1), atRandSim.rands.get(0));
assertArrayEquals(hexStringToByteArray(RAND_2), atRandSim.rands.get(1));
}
@Test
public void testDecodeInvalidNumRands() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_RAND_SIM_INVALID_NUM_RANDS);
try {
mEapSimAttributeFactory.getAttribute(input);
fail("Expected EapSimInvalidAtRandException for invalid number of RANDs");
} catch (EapSimInvalidAtRandException expected) {
}
}
@Test
public void testDecodeDuplicateRands() throws Exception {
ByteBuffer input = ByteBuffer.wrap(AT_RAND_SIM_DUPLICATE_RANDS);
try {
mEapSimAttributeFactory.getAttribute(input);
fail("Expected EapSimAkaInvalidAttributeException for duplicate RANDs");
} catch (EapSimAkaInvalidAttributeException expected) {
}
}
@Test
public void testEncode() throws Exception {
byte[][] expectedRands = new byte[][] {
hexStringToByteArray(RAND_1),
hexStringToByteArray(RAND_2)
};
AtRandSim atRandSim = new AtRandSim(AT_RAND_SIM.length, expectedRands);
ByteBuffer result = ByteBuffer.allocate(AT_RAND_SIM.length);
atRandSim.encode(result);
assertArrayEquals(AT_RAND_SIM, result.array());
}
}
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