From 630d366bbf73151be1775bcb193e66def06f0b57 Mon Sep 17 00:00:00 2001
From: fiatcode <fiatcode@posteo.com>
Date: Tue, 24 Feb 2026 10:45:34 +0700
Subject: [PATCH] RED: test turning left from all directions

---
 test/mars_rover_test.dart | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/test/mars_rover_test.dart b/test/mars_rover_test.dart
index b2194b8..88cc2bd 100644
--- a/test/mars_rover_test.dart
+++ b/test/mars_rover_test.dart
@@ -10,5 +10,31 @@ void main() {
       expect(rover.y, equals(0));
       expect(rover.direction, equals('N'));
     });
+
+    group('Turning Left:', () {
+      test('from North faces West', () {
+        final rover = Rover(x: 0, y: 0, direction: 'N');
+        rover.turnLeft();
+        expect(rover.direction, equals('W'));
+      });
+
+      test('from West faces South', () {
+        final rover = Rover(x: 0, y: 0, direction: 'W');
+        rover.turnLeft();
+        expect(rover.direction, equals('S'));
+      });
+
+      test('from South faces East', () {
+        final rover = Rover(x: 0, y: 0, direction: 'S');
+        rover.turnLeft();
+        expect(rover.direction, equals('E'));
+      });
+
+      test('from East faces North', () {
+        final rover = Rover(x: 0, y: 0, direction: 'E');
+        rover.turnLeft();
+        expect(rover.direction, equals('N'));
+      });
+    });
   });
 }