Initial commit: labirynt 3D pseudo-raycasting game

test/widget_test.dart

@@ -0,0 +1,57 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:labirynt/maze.dart';
+import 'package:labirynt/player.dart';
+import 'package:labirynt/main.dart';
+
+void main() {
+  group('Maze', () {
+    test('generates maze with open start and end', () {
+      final maze = Maze(15, 15);
+      expect(maze.grid[1][1], 0);
+      expect(maze.grid[13][13], 0);
+    });
+
+    test('borders are walls', () {
+      final maze = Maze(15, 15);
+      expect(maze.isWall(0, 0), true);
+      expect(maze.isWall(14, 0), true);
+      expect(maze.isWall(0, 14), true);
+    });
+
+    test('isGoal detects goal position', () {
+      final maze = Maze(15, 15);
+      expect(maze.isGoal(13, 13), true);
+      expect(maze.isGoal(1, 1), false);
+    });
+  });
+
+  group('Player', () {
+    test('starts at given position', () {
+      final player = Player(x: 1.5, y: 1.5);
+      expect(player.x, 1.5);
+      expect(player.y, 1.5);
+    });
+
+    test('rotates left and right', () {
+      final player = Player(x: 1.5, y: 1.5, angle: 0);
+      player.rotateRight();
+      expect(player.angle, greaterThan(0));
+      player.rotateLeft();
+      player.rotateLeft();
+      expect(player.angle, lessThan(0));
+    });
+
+    test('moves forward in open space', () {
+      final maze = Maze(15, 15);
+      final player = Player(x: 1.5, y: 1.5, angle: 0);
+      final oldX = player.x;
+      player.moveForward(maze);
+      expect(player.x, greaterThan(oldX));
+    });
+  });
+
+  testWidgets('app renders without errors', (tester) async {
+    await tester.pumpWidget(const LabiryntApp());
+    expect(find.byType(LabiryntApp), findsOneWidget);
+  });
+}