package jmri.jmrix.can.adapters.lawicell;

import jmri.jmrix.can.CanMessage;
import jmri.util.JUnitUtil;

import org.junit.Assert;
import org.junit.jupiter.api.*;

/**
 * Tests for the jmri.jmrix.can.adapters.lawicell.Message class
 *
 * @author Bob Jacobsen Copyright 2008, 2009
 * @author Steve Young Copyright 2022 ( added RTR Can Frame support )
 */
public class MessageTest extends jmri.jmrix.AbstractMessageTestBase {

    private Message g = null;

    // t123412345678
    @Test
    public void testOne() {
        Assert.assertEquals("standard format 2 byte", "t123412345678\r", g.toString());
    }

    // T0000F00D0
    @Test
    public void testTwo() {

        CanMessage msg = new CanMessage(0xF00D);
        msg.setExtended(true);
        msg.setRtr(false);
        msg.setNumDataElements(0);

        g = new Message(msg);
        Assert.assertEquals("standard format 2 byte", "T0000F00D0\r", g.toString());
    }

    @Test
    public void testThree() {

        CanMessage msg = new CanMessage(0x123);
        msg.setExtended(true);
        msg.setNumDataElements(4);
        msg.setElement(0, 0x12);
        msg.setElement(1, 0x34);
        msg.setElement(2, 0x56);
        msg.setElement(3, 0x78);

        g = new Message(msg);
        Assert.assertEquals("standard format 2 byte", "T00000123412345678\r", g.toString());
    }

    // T0000F00D0
    @Test
    public void testFour() {

        CanMessage msg = new CanMessage(0xF00D);
        msg.setExtended(true);
        msg.setRtr(false);
        msg.setNumDataElements(8);
        msg.setElement(0, 0x78);
        msg.setElement(1, 0x78);
        msg.setElement(2, 0x78);
        msg.setElement(3, 0x78);
        msg.setElement(4, 0x78);
        msg.setElement(5, 0x78);
        msg.setElement(6, 0x78);
        msg.setElement(7, 0x78);

        g = new Message(msg);
        Assert.assertEquals("standard format 2 byte", "T0000F00D87878787878787878\r", g.toString());
    }
    
    @Test
    public void testRtRstandardMessage() {
    
        CanMessage msg = new CanMessage(0x123);
        msg.setExtended(false);
        msg.setRtr(true);
        msg.setNumDataElements(0);
        
        g = new Message(msg);
        Assert.assertEquals("RTR standard format 0 byte", "r1230\r", g.toString());
    }
    
    @Test
    public void testRtRextendedMessage() {
    
        CanMessage msg = new CanMessage(0xF00D);
        msg.setExtended(true);
        msg.setRtr(true);
        msg.setNumDataElements(0);
        
        g = new Message(msg);
        Assert.assertEquals("RTR extended format 0 byte", "R0000F00D0\r", g.toString());
    }

    @Override
    @BeforeEach
    public void setUp() {
        JUnitUtil.setUp();

        CanMessage msg = new CanMessage(0x123);
        msg.setExtended(false);
        msg.setRtr(false);
        msg.setNumDataElements(4);
        msg.setElement(0, 0x12);
        msg.setElement(1, 0x34);
        msg.setElement(2, 0x56);
        msg.setElement(3, 0x78);

        m = g = new Message(msg);
    }

    @AfterEach
    @Override
    public void tearDown() {
        m = g = null;
        JUnitUtil.tearDown();
    }
}