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/*
* Copyright (C) 2016 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.server.wifi.hotspot2.anqp.eap;
import static org.junit.Assert.assertEquals;
import androidx.test.filters.SmallTest;
import org.junit.Test;
import java.net.ProtocolException;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;
/**
* Unit tests for {@link com.android.server.wifi.hotspot2.anqp.eap.ExpandedEAPMethod}.
*/
@SmallTest
public class ExpandedEAPMethodTest {
private static final int TEST_VENDOR_ID = 0x123456;
private static final long TEST_VENDOR_TYPE = 0x23456523;
private static final byte[] TEST_DATA_BYTES =
new byte[] {0x12, 0x34, 0x56, 0x23, 0x45, 0x65, 0x23};
/**
* Verify that BufferUnderflowException will be thrown when parsing from an empty buffer.
*
* @throws Exception
*/
@Test(expected = BufferUnderflowException.class)
public void parseEmptyBuffer() throws Exception {
ExpandedEAPMethod.parse(
ByteBuffer.wrap(new byte[0]), ExpandedEAPMethod.EXPECTED_LENGTH_VALUE, false);
}
/**
* Verify that ProtocolException will be thrown when the data length is not the expected
* length.
*
* @throws Exception
*/
@Test(expected = ProtocolException.class)
public void parseBufferWithInvalidLength() throws Exception {
ExpandedEAPMethod.parse(ByteBuffer.wrap(TEST_DATA_BYTES),
ExpandedEAPMethod.EXPECTED_LENGTH_VALUE - 1, false);
}
/**
* Verify that BufferUnderflowException will be thrown when parsing a truncated buffer.
*
* @throws Exception
*/
@Test(expected = BufferUnderflowException.class)
public void parseBufferWithTruncatedBuffer() throws Exception {
ExpandedEAPMethod.parse(ByteBuffer.wrap(TEST_DATA_BYTES, 0, TEST_DATA_BYTES.length - 1),
ExpandedEAPMethod.EXPECTED_LENGTH_VALUE, false);
}
/**
* Verify that an expected ExpandedEAPMethod is returned when parsing the buffer for a
* non-inner EAP method.
*
* @throws Exception
*/
@Test
public void parseBufferForNonInnerEAPMethod() throws Exception {
ExpandedEAPMethod expected = new ExpandedEAPMethod(
AuthParam.PARAM_TYPE_EXPANDED_EAP_METHOD, TEST_VENDOR_ID, TEST_VENDOR_TYPE);
ExpandedEAPMethod actual = ExpandedEAPMethod.parse(
ByteBuffer.wrap(TEST_DATA_BYTES), ExpandedEAPMethod.EXPECTED_LENGTH_VALUE, false);
assertEquals(expected, actual);
}
/**
* Verify that an expected CredentialType is returned when parsing the buffer for a
* inner EAP method.
*
* @throws Exception
*/
@Test
public void parseBufferForTunneledEAPMethod() throws Exception {
ExpandedEAPMethod expected = new ExpandedEAPMethod(
AuthParam.PARAM_TYPE_EXPANDED_INNER_EAP_METHOD, TEST_VENDOR_ID, TEST_VENDOR_TYPE);
ExpandedEAPMethod actual = ExpandedEAPMethod.parse(
ByteBuffer.wrap(TEST_DATA_BYTES), ExpandedEAPMethod.EXPECTED_LENGTH_VALUE, true);
assertEquals(expected, actual);
}
}
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