[verified] Publish ReelBox source under GPLv3

test/next_library_settings_test.dart

@@ -0,0 +1,79 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:reelbox/state/app_state.dart';
+
+void main() {
+  test(
+    'platform fonts resolve generic families and preserve safe custom fonts',
+    () {
+      expect(
+        AppSettings(subtitleFontFamily: 'serif').resolvedSubtitleFontFamily,
+        isNot('serif'),
+      );
+      expect(
+        AppSettings(subtitleFontFamily: 'monospace').resolvedSubtitleFontFamily,
+        isNot('monospace'),
+      );
+      expect(
+        AppSettings(subtitleFontFamily: 'My Font').resolvedSubtitleFontFamily,
+        'My Font',
+      );
+      expect(AppSettings().subtitleFontFamilyFallback, isNotEmpty);
+    },
+  );
+  test('new settings validate imports and roundtrip every field', () {
+    final prefs = AppSettings().copyWith(
+      subtitleEnabled: false,
+      subtitleFontFamily: 'Custom Font',
+      videoFit: 'cover',
+      audioOnly: true,
+      playerVolume: 0.42,
+      rememberVolume: true,
+      backgroundAudio: true,
+      closeOnCompletion: true,
+      resumeRewindSeconds: 120,
+      parallelDownloads: 8,
+      compactCatalog: true,
+      introCompleted: true,
+      externalPlayerPackage: 'org.videolan.vlc',
+    );
+    expect(AppSettings.fromJson(prefs.toJson()).toJson(), prefs.toJson());
+    final invalid = AppSettings.fromJson({
+      'playerVolume': -1,
+      'parallelDownloads': 999,
+      'resumeRewindSeconds': -4,
+      'videoFit': 'bad',
+      'subtitleEnabled': 1,
+      'subtitleFontFamily': '\u0000bad',
+      'externalPlayerPackage': 'https://bad.example',
+      'introCompleted': false,
+    });
+    expect(invalid.playerVolume, 1);
+    expect(invalid.parallelDownloads, 3);
+    expect(invalid.resumeRewindSeconds, 5);
+    expect(invalid.videoFit, 'contain');
+    expect(invalid.subtitleEnabled, true);
+    expect(invalid.subtitleFontFamily, 'sans-serif');
+    expect(invalid.externalPlayerPackage, 'ask');
+    expect(invalid.introCompleted, false);
+  });
+  test(
+    'new settings expose next-release defaults, legacy JSON skips intro',
+    () {
+      final json = AppSettings().toJson();
+      expect(json['subtitleEnabled'], true);
+      expect(json['subtitleFontFamily'], 'sans-serif');
+      expect(json['videoFit'], 'contain');
+      expect(json['audioOnly'], false);
+      expect(json['playerVolume'], 1.0);
+      expect(json['rememberVolume'], false);
+      expect(json['backgroundAudio'], false);
+      expect(json['closeOnCompletion'], false);
+      expect(json['resumeRewindSeconds'], 5);
+      expect(json['parallelDownloads'], 3);
+      expect(json['compactCatalog'], false);
+      expect(json['introCompleted'], false);
+      expect(json['externalPlayerPackage'], 'ask');
+      expect(AppSettings.fromJson({}).toJson()['introCompleted'], true);
+    },
+  );
+}