flutter/packages/unit/test/widget/transform_test.dart

143 lines
3.9 KiB
Dart

import 'package:flutter/widgets.dart';
import 'package:test/test.dart';
import 'widget_tester.dart';
void main() {
test('Transform origin', () {
testWidgets((WidgetTester tester) {
bool didReceiveTap = false;
tester.pumpWidget(
new Stack(<Widget>[
new Positioned(
top: 100.0,
left: 100.0,
child: new Container(
width: 100.0,
height: 100.0,
decoration: new BoxDecoration(
backgroundColor: new Color(0xFF0000FF)
)
)
),
new Positioned(
top: 100.0,
left: 100.0,
child: new Container(
width: 100.0,
height: 100.0,
child: new Transform(
transform: new Matrix4.identity().scale(0.5, 0.5),
origin: new Offset(100.0, 50.0),
child: new GestureDetector(
onTap: () {
didReceiveTap = true;
},
child: new Container()
)
)
)
)
])
);
expect(didReceiveTap, isFalse);
tester.tapAt(new Point(110.0, 110.0));
expect(didReceiveTap, isFalse);
tester.tapAt(new Point(190.0, 150.0));
expect(didReceiveTap, isTrue);
});
});
test('Transform alignment', () {
testWidgets((WidgetTester tester) {
bool didReceiveTap = false;
tester.pumpWidget(
new Stack(<Widget>[
new Positioned(
top: 100.0,
left: 100.0,
child: new Container(
width: 100.0,
height: 100.0,
decoration: new BoxDecoration(
backgroundColor: new Color(0xFF0000FF)
)
)
),
new Positioned(
top: 100.0,
left: 100.0,
child: new Container(
width: 100.0,
height: 100.0,
child: new Transform(
transform: new Matrix4.identity().scale(0.5, 0.5),
alignment: new FractionalOffset(1.0, 0.5),
child: new GestureDetector(
onTap: () {
didReceiveTap = true;
},
child: new Container()
)
)
)
)
])
);
expect(didReceiveTap, isFalse);
tester.tapAt(new Point(110.0, 110.0));
expect(didReceiveTap, isFalse);
tester.tapAt(new Point(190.0, 150.0));
expect(didReceiveTap, isTrue);
});
});
test('Transform offset + alignment', () {
testWidgets((WidgetTester tester) {
bool didReceiveTap = false;
tester.pumpWidget(
new Stack(<Widget>[
new Positioned(
top: 100.0,
left: 100.0,
child: new Container(
width: 100.0,
height: 100.0,
decoration: new BoxDecoration(
backgroundColor: new Color(0xFF0000FF)
)
)
),
new Positioned(
top: 100.0,
left: 100.0,
child: new Container(
width: 100.0,
height: 100.0,
child: new Transform(
transform: new Matrix4.identity().scale(0.5, 0.5),
origin: new Offset(100.0, 0.0),
alignment: new FractionalOffset(0.0, 0.5),
child: new GestureDetector(
onTap: () {
didReceiveTap = true;
},
child: new Container()
)
)
)
)
])
);
expect(didReceiveTap, isFalse);
tester.tapAt(new Point(110.0, 110.0));
expect(didReceiveTap, isFalse);
tester.tapAt(new Point(190.0, 150.0));
expect(didReceiveTap, isTrue);
});
});
}