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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;
import static com.android.internal.net.TestUtils.hexStringToByteArray;
import static com.android.internal.net.eap.message.EapData.EAP_NAK;
import static com.android.internal.net.eap.message.EapData.EAP_TYPE_SIM;
import static com.android.internal.net.eap.message.EapMessage.EAP_CODE_REQUEST;
import static com.android.internal.net.eap.message.EapMessage.EAP_CODE_RESPONSE;
import static com.android.internal.net.eap.message.EapMessage.EAP_CODE_SUCCESS;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_REQUEST_SIM_START_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_REQUEST_SIM_TYPE_DATA;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_RESPONSE_NAK_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_RESPONSE_NOTIFICATION_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.EAP_SUCCESS_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.ID_INT;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.INCOMPLETE_HEADER_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.INVALID_CODE_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.LONG_SUCCESS_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.REQUEST_MISSING_TYPE_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.REQUEST_UNSUPPORTED_TYPE_PACKET;
import static com.android.internal.net.eap.message.EapTestMessageDefinitions.SHORT_PACKET;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import com.android.internal.net.eap.EapResult;
import com.android.internal.net.eap.EapResult.EapResponse;
import com.android.internal.net.eap.exceptions.EapInvalidPacketLengthException;
import com.android.internal.net.eap.exceptions.InvalidEapCodeException;
import com.android.internal.net.eap.exceptions.UnsupportedEapTypeException;
import org.junit.Test;
import java.util.Arrays;
public class EapMessageTest {
@Test
public void testConstructorRequestWithoutType() throws Exception {
try {
new EapMessage(EAP_CODE_REQUEST, ID_INT, null);
fail("Expected EapInvalidPacketLengthException for an EAP-Request without Type value");
} catch (EapInvalidPacketLengthException expected) {
}
}
@Test
public void testDecode() throws Exception {
EapMessage result = EapMessage.decode(EAP_SUCCESS_PACKET);
assertEquals(EAP_CODE_SUCCESS, result.eapCode);
assertEquals(ID_INT, result.eapIdentifier);
assertEquals(EAP_SUCCESS_PACKET.length, result.eapLength);
assertNull(result.eapData);
EapData expectedEapData = new EapData(EAP_TYPE_SIM,
hexStringToByteArray(EAP_REQUEST_SIM_TYPE_DATA));
result = EapMessage.decode(EAP_REQUEST_SIM_START_PACKET);
assertEquals(EAP_CODE_REQUEST, result.eapCode);
assertEquals(ID_INT, result.eapIdentifier);
assertEquals(EAP_REQUEST_SIM_START_PACKET.length, result.eapLength);
assertEquals(expectedEapData, result.eapData);
}
@Test
public void testDecodeInvalidCode() throws Exception {
try {
EapMessage.decode(INVALID_CODE_PACKET);
fail("Expected InvalidEapCodeException");
} catch (InvalidEapCodeException expected) {
}
}
@Test
public void testDecodeIncompleteHeader() throws Exception {
try {
EapMessage.decode(INCOMPLETE_HEADER_PACKET);
fail("Expected EapInvalidPacketLengthException");
} catch (EapInvalidPacketLengthException expected) {
}
}
@Test
public void testDecodeShortPacket() throws Exception {
try {
EapMessage.decode(SHORT_PACKET);
fail("Expected EapInvalidPacketLengthException");
} catch (EapInvalidPacketLengthException expected) {
}
}
@Test
public void testDecodeSuccessIncorrectLength() throws Exception {
try {
EapMessage.decode(LONG_SUCCESS_PACKET);
fail("Expected EapInvalidPacketLengthException");
} catch (EapInvalidPacketLengthException expected) {
}
}
@Test
public void testDecodeMissingTypeData() throws Exception {
try {
EapMessage.decode(REQUEST_MISSING_TYPE_PACKET);
fail("Expected EapInvalidPacketLengthException");
} catch (EapInvalidPacketLengthException expected) {
}
}
@Test
public void testDecodeUnsupportedEapType() throws Exception {
try {
EapMessage.decode(REQUEST_UNSUPPORTED_TYPE_PACKET);
fail("Expected UnsupportedEapDataTypeException");
} catch (UnsupportedEapTypeException expected) {
assertEquals(ID_INT, expected.eapIdentifier);
}
}
@Test
public void testEncode() throws Exception {
EapMessage eapMessage = new EapMessage(EAP_CODE_SUCCESS, ID_INT, null);
byte[] actualPacket = eapMessage.encode();
assertArrayEquals(EAP_SUCCESS_PACKET, actualPacket);
EapData nakData = new EapData(EAP_NAK, new byte[] {EAP_TYPE_SIM});
eapMessage = new EapMessage(EAP_CODE_RESPONSE, ID_INT, nakData);
actualPacket = eapMessage.encode();
assertArrayEquals(EAP_RESPONSE_NAK_PACKET, actualPacket);
}
@Test
public void testEncodeDecode() throws Exception {
EapMessage eapMessage = new EapMessage(EAP_CODE_SUCCESS, ID_INT, null);
EapMessage result = EapMessage.decode(eapMessage.encode());
assertEquals(eapMessage.eapCode, result.eapCode);
assertEquals(eapMessage.eapIdentifier, result.eapIdentifier);
assertEquals(eapMessage.eapLength, result.eapLength);
assertEquals(eapMessage.eapData, result.eapData);
}
@Test
public void testDecodeEncode() throws Exception {
byte[] result = EapMessage.decode(EAP_REQUEST_SIM_START_PACKET).encode();
assertArrayEquals(EAP_REQUEST_SIM_START_PACKET, result);
}
@Test
public void testGetNakResponse() {
EapResult nakResponse = EapMessage.getNakResponse(ID_INT, Arrays.asList(EAP_TYPE_SIM));
assertTrue(nakResponse instanceof EapResponse);
EapResponse eapResponse = (EapResponse) nakResponse;
assertArrayEquals(EAP_RESPONSE_NAK_PACKET, eapResponse.packet);
}
@Test
public void testGetNotificationResponse() {
EapResult notificationResponse = EapMessage.getNotificationResponse(ID_INT);
assertTrue(notificationResponse instanceof EapResponse);
EapResponse eapResponse = (EapResponse) notificationResponse;
assertArrayEquals(EAP_RESPONSE_NOTIFICATION_PACKET, eapResponse.packet);
}
}
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