// testing/dart/image_filter_test.dart

group('ImageFilter|FilterQuality', () async {
  final ImageComparer comparer = await ImageComparer.create();

  Future<Image> makeImage(FilterQuality quality) async {
    final PictureRecorder recorder = PictureRecorder();
    final Canvas recorderCanvas = Canvas(recorder);
    recorderCanvas.drawRect(const Rect.fromLTRB(1.0, 1.0, 2.0, 2.0), Paint()
      ..color = green
      ..imageFilter = makeBlur(1.0, 1.0, TileMode.decal)
      ..filterQuality = quality
    );
    final Picture picture = recorder.endRecording();
    return picture.toImage(3, 3);
  }

  test('FilterQuality.low', () async {
    final Image image = await makeImage(FilterQuality.low);
    await comparer.addGoldenImage(image, 'FilterQuality.low');
  });

  test('FilterQuality.medium', () async {
    final Image image = await makeImage(FilterQuality.medium);
    await comparer.addGoldenImage(image, 'FilterQuality.medium');
  });

  test('FilterQuality.high', () async {
    final Image image = await makeImage(FilterQuality.high);
    await comparer.addGoldenImage(image, 'FilterQuality.high');
  });

  test('FilterQuality.none', () async {
    final Image image = await makeImage(FilterQuality.none);
    await comparer.addGoldenImage(image, 'FilterQuality.none');
  });
});