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[null-safety] remove mockito from scrollbar test (#64493)

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More work towards #62886
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Jonah Williams 2020-08-31 13:27:12 -07:00 committed by GitHub
parent 15d18b9e42
commit 7aa8c2ab99
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 4 deletions
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20
packages/flutter/test/widgets/scrollbar_test.dart
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@ -7,7 +7,8 @@
import 'package:flutter/src/physics/utils.dart' show nearEqual;
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/mockito.dart';
import '../flutter_test_alternative.dart' show Fake;
const Color _kScrollbarColor = Color(0xFF123456);
const double _kThickness = 2.5;
@ -39,14 +40,25 @@ ScrollbarPainter _buildPainter({
)..update(scrollMetrics, scrollMetrics.axisDirection);
}
class _DrawRectOnceCanvas extends Mock implements Canvas { }
class _DrawRectOnceCanvas extends Fake implements Canvas {
List<Rect> rects = <Rect>[];
@override
void drawRect(Rect rect, Paint paint) {
rects.add(rect);
}
}
void main() {
final _DrawRectOnceCanvas testCanvas = _DrawRectOnceCanvas();
ScrollbarPainter painter;
Rect captureRect() => verify(testCanvas.drawRect(captureAny, any)).captured.single as Rect;
tearDown(() => painter = null);
Rect captureRect() => testCanvas.rects.removeLast();
tearDown(() {
painter = null;
testCanvas.rects.clear();
});
final ScrollMetrics defaultMetrics = FixedScrollMetrics(
minScrollExtent: 0,