Serge NOEL
109 lines
4.2 KiB
Java
109 lines
4.2 KiB
Java
package jmri.jmrix.marklin;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNotEquals;
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import static org.junit.jupiter.api.Assertions.assertNotNull;
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import jmri.util.JUnitUtil;
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import org.junit.jupiter.api.*;
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/**
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* Tests for MarklinMessage.
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*
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* @author Paul Bender Copyright (C) 2017
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*/
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public class MarklinMessageTest extends jmri.jmrix.AbstractMessageTestBase {
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@Test
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public void testGetCanBoot() {
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// Test the Gleisbox activation variant (DLC=5, data byte 0 = 0x11)
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MarklinMessage bootMessage = MarklinMessage.getCanBoot();
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assertNotNull(bootMessage, "CAN BOOT message created");
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// Command 0x1B: (0x1B >> 7) & 0xFF = 0x00, (0x1B << 1) & 0xFF = 0x36
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assertEquals(0x00, bootMessage.getElement(0), "Element 0 (command high bits)");
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assertEquals(0x36, bootMessage.getElement(1), "Element 1 (command low bits)");
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// Hash bytes
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assertEquals(0x47, bootMessage.getElement(2), "Element 2 (hash byte 1)");
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assertEquals(0x11, bootMessage.getElement(3), "Element 3 (hash byte 2)");
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// DLC should be 5
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assertEquals(0x05, bootMessage.getElement(4), "Element 4 (DLC)");
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// Address bytes (broadcast)
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for (int i = 5; i <= 8; i++) {
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assertEquals(0x00, bootMessage.getElement(i), "Element " + i + " (address byte)");
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}
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// Data byte 0: magic value 0x11
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assertEquals(0x11, bootMessage.getElement(9), "Element 9 (data byte 0 - magic value)");
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// Remaining data bytes
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for (int i = 10; i < bootMessage.getNumDataElements(); i++) {
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assertEquals(0x00, bootMessage.getElement(i), "Element " + i + " (data byte)");
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}
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}
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@Test
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public void testGetCanBootloaderMode() {
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// Test the bootloader invocation variant (DLC=0, no data bytes)
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MarklinMessage bootloaderMessage = MarklinMessage.getCanBootloaderMode();
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assertNotNull(bootloaderMessage, "CAN BOOT bootloader message created");
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// Command 0x1B: (0x1B >> 7) & 0xFF = 0x00, (0x1B << 1) & 0xFF = 0x36
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assertEquals(0x00, bootloaderMessage.getElement(0), "Element 0 (command high bits)");
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assertEquals(0x36, bootloaderMessage.getElement(1), "Element 1 (command low bits)");
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// Hash bytes
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assertEquals(0x47, bootloaderMessage.getElement(2), "Element 2 (hash byte 1)");
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assertEquals(0x11, bootloaderMessage.getElement(3), "Element 3 (hash byte 2)");
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// DLC should be 0 (no data bytes)
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assertEquals(0x00, bootloaderMessage.getElement(4), "Element 4 (DLC)");
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// All remaining elements should be 0
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for (int i = 5; i < bootloaderMessage.getNumDataElements(); i++) {
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assertEquals(0x00, bootloaderMessage.getElement(i), "Element " + i + " should be 0");
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}
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}
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@Test
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public void testCanBootVsBootloaderModeDifference() {
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// Verify the two variants are different
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MarklinMessage activation = MarklinMessage.getCanBoot();
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MarklinMessage bootloader = MarklinMessage.getCanBootloaderMode();
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// Command bytes should be identical (both 0x1B)
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assertEquals(activation.getElement(0), bootloader.getElement(0), "Commands should match");
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assertEquals(activation.getElement(1), bootloader.getElement(1), "Commands should match");
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// DLC should be different
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assertNotEquals(activation.getElement(4), bootloader.getElement(4), "DLC should differ");
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assertEquals(0x05, activation.getElement(4), "Activation DLC should be 5");
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assertEquals(0x00, bootloader.getElement(4), "Bootloader DLC should be 0");
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// Data byte 0 should be different
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assertEquals(0x11, activation.getElement(9), "Activation should have magic 0x11");
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assertEquals(0x00, bootloader.getElement(9), "Bootloader should have 0x00");
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}
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@BeforeEach
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@Override
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public void setUp() {
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JUnitUtil.setUp();
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m = new MarklinMessage();
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}
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@Override
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@AfterEach
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public void tearDown() {
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m = null;
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JUnitUtil.tearDown();
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}
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// private static final Logger log = LoggerFactory.getLogger(MarklinMessageTest.class);
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}
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