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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('AnimatedAlign.debugFillProperties', (WidgetTester tester) async {
const AnimatedAlign box = AnimatedAlign(
alignment: Alignment.topCenter,
curve: Curves.ease,
duration: Duration(milliseconds: 200),
);
expect(box, hasOneLineDescription);
});
testWidgets('AnimatedAlign alignment visual-to-directional animation', (WidgetTester tester) async {
final Key target = UniqueKey();
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.rtl,
child: AnimatedAlign(
duration: const Duration(milliseconds: 200),
alignment: Alignment.topRight,
child: SizedBox(key: target, width: 100.0, height: 200.0),
),
),
);
expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0));
expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 0.0));
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.rtl,
child: AnimatedAlign(
duration: const Duration(milliseconds: 200),
alignment: AlignmentDirectional.bottomStart,
child: SizedBox(key: target, width: 100.0, height: 200.0),
),
),
);
expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0));
expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 0.0));
await tester.pump(const Duration(milliseconds: 100));
expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0));
expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 200.0));
await tester.pump(const Duration(milliseconds: 500));
expect(tester.getSize(find.byKey(target)), const Size(100.0, 200.0));
expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 400.0));
});
testWidgets('AnimatedAlign widthFactor', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Row(
mainAxisSize: MainAxisSize.min,
children: const <Widget>[
AnimatedAlign(
alignment: Alignment.center,
curve: Curves.ease,
widthFactor: 0.5,
duration: Duration(milliseconds: 200),
child: SizedBox(
height: 100.0,
width: 100.0,
),
),
],
),
),
);
final RenderBox box = tester.renderObject<RenderBox>(find.byType(AnimatedAlign));
expect(box.size.width, equals(50.0));
});
testWidgets('AnimatedAlign heightFactor', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Column(
children: const <Widget>[
AnimatedAlign(
alignment: Alignment.center,
curve: Curves.ease,
heightFactor: 0.5,
duration: Duration(milliseconds: 200),
child: SizedBox(
height: 100.0,
width: 100.0,
),
),
],
),
),
);
final RenderBox box = tester.renderObject<RenderBox>(find.byType(AnimatedAlign));
expect(box.size.height, equals( 50.0));
});
testWidgets('AnimatedAlign null height factor', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: const <Widget>[
AnimatedAlign(
alignment: Alignment.center,
curve: Curves.ease,
duration: Duration(milliseconds: 200),
child: SizedBox(
height: 100.0,
width: 100.0,
),
),
],
),
),
);
final RenderBox box = tester.renderObject<RenderBox>(find.byType(SizedBox));
expect(box.size, equals(const Size(100.0, 100)));
});
testWidgets('AnimatedAlign null widthFactor', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: SizedBox.shrink(
child: Row(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.center,
children: const <Widget>[
AnimatedAlign(
alignment: Alignment.center,
curve: Curves.ease,
duration: Duration(milliseconds: 200),
child: SizedBox(
height: 100.0,
width: 100.0,
),
),
],
),
),
),
);
final RenderBox box = tester.renderObject<RenderBox>(find.byType(SizedBox).last);
expect(box.size, equals(const Size(100.0, 100)));
});
}