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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.mschapv2;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.EAP_MSCHAP_V2_CHALLENGE_RESPONSE;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.ID_INT;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.NT_RESPONSE_BYTES;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.PEER_CHALLENGE_BYTES;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.PEER_NAME_BYTES;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.SHORT_CHALLENGE_BYTES;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2PacketDefinitions.SHORT_NT_RESPONSE;
import static com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EAP_MSCHAP_V2_RESPONSE;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import com.android.internal.net.eap.exceptions.mschapv2.EapMsChapV2ParsingException;
import com.android.internal.net.eap.message.mschapv2.EapMsChapV2TypeData.EapMsChapV2ChallengeResponse;
import org.junit.Test;
public class EapMsChapV2ChallengeResponseTest {
private static final int FLAGS = 0;
private static final int INVALID_FLAGS = 0xFF;
@Test
public void testConstructor() throws Exception {
EapMsChapV2ChallengeResponse challengeResponse =
new EapMsChapV2ChallengeResponse(
ID_INT, PEER_CHALLENGE_BYTES, NT_RESPONSE_BYTES, FLAGS, PEER_NAME_BYTES);
assertEquals(EAP_MSCHAP_V2_RESPONSE, challengeResponse.opCode);
assertEquals(ID_INT, challengeResponse.msChapV2Id);
assertEquals(EAP_MSCHAP_V2_CHALLENGE_RESPONSE.length, challengeResponse.msLength);
assertArrayEquals(PEER_CHALLENGE_BYTES, challengeResponse.peerChallenge);
assertArrayEquals(NT_RESPONSE_BYTES, challengeResponse.ntResponse);
assertEquals(FLAGS, challengeResponse.flags);
assertArrayEquals(PEER_NAME_BYTES, challengeResponse.name);
}
@Test
public void testConstructorInvalidChallenge() {
try {
EapMsChapV2ChallengeResponse challengeResponse =
new EapMsChapV2ChallengeResponse(
ID_INT,
SHORT_CHALLENGE_BYTES,
NT_RESPONSE_BYTES,
FLAGS,
PEER_NAME_BYTES);
fail("Expected EapMsChapV2ParsingException for invalid Peer Challenge length");
} catch (EapMsChapV2ParsingException expected) {
}
}
@Test
public void testConstructorInvalidNtResponse() {
try {
EapMsChapV2ChallengeResponse challengeResponse =
new EapMsChapV2ChallengeResponse(
ID_INT,
PEER_CHALLENGE_BYTES,
SHORT_NT_RESPONSE,
FLAGS,
PEER_NAME_BYTES);
fail("Expected EapMsChapV2ParsingException for invalid NT-Response length");
} catch (EapMsChapV2ParsingException expected) {
}
}
@Test
public void testConstructorInvalidFlags() {
try {
EapMsChapV2ChallengeResponse challengeResponse =
new EapMsChapV2ChallengeResponse(
ID_INT,
PEER_CHALLENGE_BYTES,
NT_RESPONSE_BYTES,
INVALID_FLAGS,
PEER_NAME_BYTES);
fail("Expected EapMsChapV2ParsingException for non-zero Flags value");
} catch (EapMsChapV2ParsingException expected) {
}
}
@Test
public void testEncode() throws Exception {
EapMsChapV2ChallengeResponse challengeResponse =
new EapMsChapV2ChallengeResponse(
ID_INT, PEER_CHALLENGE_BYTES, NT_RESPONSE_BYTES, FLAGS, PEER_NAME_BYTES);
byte[] encodedChallengeResponse = challengeResponse.encode();
assertArrayEquals(EAP_MSCHAP_V2_CHALLENGE_RESPONSE, encodedChallengeResponse);
}
}
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