android/sdl_android/src/androidTest/java/com/smartdevicelink/test/rpc/enums/TurnSignalTests.java


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package com.smartdevicelink.test.rpc.enums;

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

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.TurnSignal}
 */
public class TurnSignalTests extends TestCase {

    /**
     * Verifies that the enum values are not null upon valid assignment.
     */
    public void testValidEnums() {
        String example = "OFF";
        TurnSignal off = TurnSignal.valueForString(example);
        example = "LEFT";
        TurnSignal left = TurnSignal.valueForString(example);
        example = "RIGHT";
        TurnSignal right = TurnSignal.valueForString(example);
        example = "BOTH";
        TurnSignal both = TurnSignal.valueForString(example);

        assertNotNull("OFF returned null", off);
        assertNotNull("LEFT returned null", left);
        assertNotNull("RIGHT returned null", right);
        assertNotNull("BOTH returned null", both);
    }

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

    /**
     * Verifies that a null assignment is invalid.
     */
    public void testNullEnum() {
        String example = null;
        try {
            TurnSignal temp = TurnSignal.valueForString(example);
            assertNull("Result of valueForString should be null.", temp);
        } catch (NullPointerException exception) {
            fail("Null string throws NullPointerException.");
        }
    }

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

        List<TurnSignal> enumTestList = new ArrayList<>();
        enumTestList.add(TurnSignal.OFF);
        enumTestList.add(TurnSignal.LEFT);
        enumTestList.add(TurnSignal.RIGHT);
        enumTestList.add(TurnSignal.BOTH);

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