Added tests

Author: javadev

src/test/java/g3201_3300/s3248_snake_in_matrix/SolutionTest.java

@@ -2,6 +2,7 @@
 
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.util.List;
 import org.junit.jupiter.api.Test;
@@ -17,4 +18,60 @@ void finalPositionOfSnake2() {
         assertThat(
                 new Solution().finalPositionOfSnake(3, List.of("DOWN", "RIGHT", "UP")), equalTo(1));
     }
+
+    @Test
+    void testFinalPositionOfSnake_AllCommands() {
+        List<String> commands = List.of("UP", "DOWN", "LEFT", "RIGHT");
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(4, result);
+    }
+
+    @Test
+    void testFinalPositionOfSnake_OnlyUp() {
+        List<String> commands = List.of("UP", "UP");
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(0, result);
+    }
+
+    @Test
+    void testFinalPositionOfSnake_OnlyDown() {
+        List<String> commands = List.of("DOWN", "DOWN");
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(6, result);
+    }
+
+    @Test
+    void testFinalPositionOfSnake_OnlyLeft() {
+        List<String> commands = List.of("LEFT", "LEFT");
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(0, result);
+    }
+
+    @Test
+    void testFinalPositionOfSnake_OnlyRight() {
+        List<String> commands = List.of("RIGHT", "RIGHT");
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(2, result);
+    }
+
+    @Test
+    void testFinalPositionOfSnake_EmptyCommands() {
+        List<String> commands = List.of();
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(0, result);
+    }
+
+    @Test
+    void testFinalPositionOfSnake_MixedCommands() {
+        List<String> commands = List.of("DOWN", "RIGHT", "UP", "LEFT", "UP", "DOWN", "RIGHT");
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(4, result);
+    }
+
+    @Test
+    void testFinalPositionOfSnake_InvalidCommands() {
+        List<String> commands = List.of("DOWN", "RIGHT", "JUMP", "LEFT", "UP", "DOWN", "RIGHT");
+        int result = new Solution().finalPositionOfSnake(3, commands);
+        assertEquals(4, result);
+    }
 }