blob: 8b8bf476b96bce4c7de1828a302b57b8c0d2eb9d [file] [log] [blame]
// 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_test/flutter_test.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
void main() {
testWidgets('FractionallySizedBox', (WidgetTester tester) async {
final GlobalKey inner = GlobalKey();
await tester.pumpWidget(OverflowBox(
minWidth: 0.0,
maxWidth: 100.0,
minHeight: 0.0,
maxHeight: 100.0,
alignment: const Alignment(-1.0, -1.0),
child: Center(
child: FractionallySizedBox(
widthFactor: 0.5,
heightFactor: 0.25,
child: Container(
key: inner
),
),
),
));
final RenderBox box = inner.currentContext.findRenderObject() as RenderBox;
expect(box.size, equals(const Size(50.0, 25.0)));
expect(box.localToGlobal(Offset.zero), equals(const Offset(25.0, 37.5)));
});
testWidgets('FractionallySizedBox alignment', (WidgetTester tester) async {
final GlobalKey inner = GlobalKey();
await tester.pumpWidget(Directionality(
textDirection: TextDirection.rtl,
child: FractionallySizedBox(
widthFactor: 0.5,
heightFactor: 0.5,
alignment: Alignment.topRight,
child: Placeholder(key: inner),
),
));
final RenderBox box = inner.currentContext.findRenderObject() as RenderBox;
expect(box.size, equals(const Size(400.0, 300.0)));
expect(box.localToGlobal(box.size.center(Offset.zero)), equals(const Offset(800.0 - 400.0 / 2.0, 0.0 + 300.0 / 2.0)));
});
testWidgets('FractionallySizedBox alignment (direction-sensitive)', (WidgetTester tester) async {
final GlobalKey inner = GlobalKey();
await tester.pumpWidget(Directionality(
textDirection: TextDirection.rtl,
child: FractionallySizedBox(
widthFactor: 0.5,
heightFactor: 0.5,
alignment: AlignmentDirectional.topEnd,
child: Placeholder(key: inner),
),
));
final RenderBox box = inner.currentContext.findRenderObject() as RenderBox;
expect(box.size, equals(const Size(400.0, 300.0)));
expect(box.localToGlobal(box.size.center(Offset.zero)), equals(const Offset(0.0 + 400.0 / 2.0, 0.0 + 300.0 / 2.0)));
});
testWidgets('OverflowBox alignment with FractionallySizedBox', (WidgetTester tester) async {
final GlobalKey inner = GlobalKey();
await tester.pumpWidget(Directionality(
textDirection: TextDirection.rtl,
child: OverflowBox(
minWidth: 0.0,
maxWidth: 100.0,
minHeight: 0.0,
maxHeight: 100.0,
alignment: const AlignmentDirectional(1.0, -1.0),
child: Center(
child: FractionallySizedBox(
widthFactor: 0.5,
heightFactor: 0.25,
child: Container(
key: inner
),
),
),
),
));
final RenderBox box = inner.currentContext.findRenderObject() as RenderBox;
expect(box.size, equals(const Size(50.0, 25.0)));
expect(box.localToGlobal(Offset.zero), equals(const Offset(25.0, 37.5)));
});
}