118 lines
3.9 KiB
Dart
118 lines
3.9 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('Align smoke test', (WidgetTester tester) async {
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await tester.pumpWidget(Align(alignment: const Alignment(0.50, 0.50), child: Container()));
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await tester.pumpWidget(Align(child: Container()));
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await tester.pumpWidget(const Align(alignment: Alignment.topLeft));
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.rtl,
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child: Align(alignment: AlignmentDirectional.topStart),
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),
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);
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await tester.pumpWidget(const Align(alignment: Alignment.topLeft));
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});
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testWidgets('Align control test (LTR)', (WidgetTester tester) async {
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.ltr,
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child: Align(
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alignment: AlignmentDirectional.topStart,
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child: SizedBox(width: 100.0, height: 80.0),
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),
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),
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);
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expect(tester.getTopLeft(find.byType(SizedBox)).dx, 0.0);
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expect(tester.getBottomRight(find.byType(SizedBox)).dx, 100.0);
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.ltr,
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child: Align(alignment: Alignment.topLeft, child: SizedBox(width: 100.0, height: 80.0)),
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),
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);
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expect(tester.getTopLeft(find.byType(SizedBox)).dx, 0.0);
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expect(tester.getBottomRight(find.byType(SizedBox)).dx, 100.0);
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});
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testWidgets('Align control test (RTL)', (WidgetTester tester) async {
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.rtl,
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child: Align(
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alignment: AlignmentDirectional.topStart,
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child: SizedBox(width: 100.0, height: 80.0),
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),
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),
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);
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expect(tester.getTopLeft(find.byType(SizedBox)).dx, 700.0);
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expect(tester.getBottomRight(find.byType(SizedBox)).dx, 800.0);
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.ltr,
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child: Align(alignment: Alignment.topLeft, child: SizedBox(width: 100.0, height: 80.0)),
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),
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);
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expect(tester.getTopLeft(find.byType(SizedBox)).dx, 0.0);
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expect(tester.getBottomRight(find.byType(SizedBox)).dx, 100.0);
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});
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testWidgets('Shrink wraps in finite space', (WidgetTester tester) async {
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final GlobalKey alignKey = GlobalKey();
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await tester.pumpWidget(
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SingleChildScrollView(
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child: Align(key: alignKey, child: const SizedBox(width: 10.0, height: 10.0)),
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),
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);
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final Size size = alignKey.currentContext!.size!;
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expect(size.width, equals(800.0));
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expect(size.height, equals(10.0));
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});
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testWidgets('Align widthFactor', (WidgetTester tester) async {
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.ltr,
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[Align(widthFactor: 0.5, child: SizedBox(height: 100.0, width: 100.0))],
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),
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),
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);
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final RenderBox box = tester.renderObject<RenderBox>(find.byType(Align));
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expect(box.size.width, equals(50.0));
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});
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testWidgets('Align heightFactor', (WidgetTester tester) async {
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.ltr,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Align(heightFactor: 0.5, child: SizedBox(height: 100.0, width: 100.0)),
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],
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),
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),
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);
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final RenderBox box = tester.renderObject<RenderBox>(find.byType(Align));
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expect(box.size.height, equals(50.0));
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});
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}
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