Import the Kotlin project from Dojo assignment

src/main/kotlin/Main.kt

@@ -1,3 +0,0 @@
-fun main() {
-    println("Hello, Kotlin CI/CD world!")
-}

src/main/kotlin/Rover.kt

@@ -0,0 +1,43 @@
+package org.example
+
+class Rover {
+    constructor(p: String) {
+        val s = p.split(' ')
+        if (s.size >= 3) {
+            rs.xx = s[0].toInt()
+            rs.yy = s[1].toInt()
+            rs.dd = s[2][0]
+        }
+    }
+
+    fun go(cms: String) {
+        for (c in cms) {
+            when (c) {
+                'L' -> { when (rs.dd) { 'E' -> rs.dd = 'N' 'N' -> rs.dd = 'W' 'W' -> rs.dd = 'S' 'S' -> rs.dd = 'E'}}
+                'R' -> { when (rs.dd) { 'E' -> rs.dd = 'S' 'S' -> rs.dd = 'W' 'W' -> rs.dd = 'N' 'N' -> rs.dd = 'E'}}
+                'M' -> { when (rs.dd) { 'E' -> rs.xx++ 'S' -> rs.yy-- 'W' -> rs.xx-- 'N' -> rs.yy++}}
+            }
+        }
+    }
+
+    fun g(z: Char) {
+        go(z.toString())
+    }
+
+    val xyd: String
+        get() = "${rs.xx} ${rs.yy} ${rs.dd}"
+
+    fun pos(): String {
+        return xyd
+    }
+
+    constructor() : this("")
+
+    private var rs = RoverState()
+}
+
+class RoverState {
+    var xx: Int = 0
+    var yy: Int = 0
+    var dd: Char = 'N'
+}

src/test/kotlin/MainTest.kt

@@ -1,10 +0,0 @@
-import kotlin.test.Test
-import kotlin.test.assertEquals
-
-class MainTest {
-    @Test
-    fun testExample() {
-        val result = 2 + 2
-        assertEquals(4, result)
-    }
-}

src/test/kotlin/MarsRoverTests.kt

@@ -0,0 +1,30 @@
+import org.example.Rover
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.CsvSource
+
+class MarsRoverTests {
+    @ParameterizedTest
+    @CsvSource(
+        "1 2 N, ' ', 1 2 N",
+        "1 2 N, L, 1 2 W",
+        "1 2 W, L, 1 2 S",
+        "1 2 S, L, 1 2 E",
+        "1 2 E, L, 1 2 N",
+        "1 2 N, R, 1 2 E",
+        "1 2 E, R, 1 2 S",
+        "1 2 S, R, 1 2 W",
+        "1 2 W, R, 1 2 N",
+        "1 2 N, M, 1 3 N",
+        "1 2 E, M, 2 2 E",
+        "1 2 S, M, 1 1 S",
+        "1 2 W, M, 0 2 W",
+        "1 2 N, LMLMLMLMM, 1 3 N",
+        "3 3 E, MMRMMRMRRM, 5 1 E"
+    )
+    fun `execute commands`(startingPosition: String, instructions: String, expectedOutput: String) {
+        val rover = Rover(startingPosition)
+        rover.go(instructions)
+        assertEquals(expectedOutput, rover.pos())
+    }
+}