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 * Copyright (c) 2020 Livio, Inc.
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 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
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 * Redistributions in binary form must reproduce the above copyright notice,
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 * disclaimer in the documentation and/or other materials provided with the
 * distribution.
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 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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package com.smartdevicelink.test.rpc.enums;

import com.smartdevicelink.proxy.rpc.enums.MessageType;

import junit.framework.TestCase;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * This is a unit test class for the SmartDeviceLink library project class :
 * {@link com.smartdevicelink.proxy.rpc.enums.MessageType}
 */
public class MessageTypeTests extends TestCase {

    /**
     * Verifies that the enum values are not null upon valid assignment.
     */
    public void testValidEnums() {
        int example = 0;
        MessageType enumRequest = MessageType.valueForInt(example);
        example = 1;
        MessageType enumResponse = MessageType.valueForInt(example);
        example = 2;
        MessageType enumNotification = MessageType.valueForInt(example);

        assertNotNull("REQUEST returned null", enumRequest);
        assertNotNull("RESPONSE returned null", enumResponse);
        assertNotNull("NOTIFICATION returned null", enumNotification);

    }

    /**
     * Verifies that an invalid assignment is null.
     */
    public void testInvalidEnum() {
        int example = 3;
        try {
            MessageType temp = MessageType.valueForInt(example);
            assertNull("Result of valueForString should be null.", temp);
        } catch (IllegalArgumentException exception) {
            fail("Invalid enum throws IllegalArgumentException.");
        }
    }


    /**
     * Verifies the possible enum values of MessageType.
     */
    public void testListEnum() {
        List<MessageType> enumValueList = Arrays.asList(MessageType.values());

        List<MessageType> enumTestList = new ArrayList<>();
        enumTestList.add(MessageType.REQUEST);
        enumTestList.add(MessageType.RESPONSE);
        enumTestList.add(MessageType.NOTIFICATION);

        assertTrue("Enum value list does not match enum class list",
                enumValueList.containsAll(enumTestList) && enumTestList.containsAll(enumValueList));
    }
}
Add tests for MessageType