[verified] Publish ReelBox source under GPLv3

test/next_library_cache_test.dart

@@ -0,0 +1,27 @@
+import 'dart:io';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:reelbox/state/cache_service.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  test('cache size and clear are limited to disposable cache, not downloads/library/symlinks', () async {
+    final sandbox = await Directory('${Directory.current.path}/.dart_tool')
+        .createTemp('next-library-cache-');
+    addTearDown(() => sandbox.delete(recursive: true));
+    final cache = await Directory('${sandbox.path}/reelbox-cache').create();
+    final downloads = await Directory('${sandbox.path}/downloads').create();
+    final completed = await File('${downloads.path}/complete.mp4')
+        .writeAsBytes([1, 2, 3]);
+    final library = await File('${sandbox.path}/library.json')
+        .writeAsString('private');
+    await File('${cache.path}/artwork').writeAsBytes([1, 2, 3, 4]);
+    await Link('${cache.path}/outside').create(downloads.path);
+    final service = CacheService(directory: () async => cache);
+    expect((await service.measure()).diskBytes, 4);
+    await service.clear();
+    expect((await service.measure()).diskBytes, 0);
+    expect(await completed.readAsBytes(), [1, 2, 3]);
+    expect(await library.readAsString(), 'private');
+  });
+}