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Add:创建 flutter go web 版

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ryan
2019-08-13 20:38:46 +08:00
parent 64513b59c1
commit da67ccf5a8
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packages/flutter_web/test/widgets/spacer_test.dart Normal file
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// Copyright 2018 The Chromium 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_web_test/flutter_web_test.dart';
import 'package:flutter_web/widgets.dart';
void main() {
testWidgets('Spacer takes up space.', (WidgetTester tester) async {
await tester.pumpWidget(Column(
children: const <Widget>[
SizedBox(width: 10.0, height: 10.0),
Spacer(),
SizedBox(width: 10.0, height: 10.0),
],
));
final Rect spacerRect = tester.getRect(find.byType(Spacer));
expect(spacerRect.size, const Size(0.0, 580.0));
expect(spacerRect.topLeft, const Offset(400.0, 10.0));
});
testWidgets('Spacer takes up space proportional to flex.',
(WidgetTester tester) async {
const Spacer spacer1 = Spacer();
const Spacer spacer2 = Spacer(flex: 1);
const Spacer spacer3 = Spacer(flex: 2);
const Spacer spacer4 = Spacer(flex: 4);
await tester.pumpWidget(Row(
textDirection: TextDirection.rtl,
children: const <Widget>[
SizedBox(width: 10.0, height: 10.0),
spacer1,
SizedBox(width: 10.0, height: 10.0),
spacer2,
SizedBox(width: 10.0, height: 10.0),
spacer3,
SizedBox(width: 10.0, height: 10.0),
spacer4,
SizedBox(width: 10.0, height: 10.0),
],
));
final Rect spacer1Rect = tester.getRect(find.byType(Spacer).at(0));
final Rect spacer2Rect = tester.getRect(find.byType(Spacer).at(1));
final Rect spacer3Rect = tester.getRect(find.byType(Spacer).at(2));
final Rect spacer4Rect = tester.getRect(find.byType(Spacer).at(3));
expect(spacer1Rect.size.height, 0.0);
expect(spacer1Rect.size.width, closeTo(93.8, 0.1));
expect(spacer1Rect.left, closeTo(696.3, 0.1));
expect(spacer2Rect.size.width, closeTo(93.8, 0.1));
expect(spacer2Rect.left, closeTo(592.5, 0.1));
expect(spacer3Rect.size.width, spacer2Rect.size.width * 2.0);
expect(spacer3Rect.left, closeTo(395.0, 0.1));
expect(spacer4Rect.size.width, spacer3Rect.size.width * 2.0);
expect(spacer4Rect.left, closeTo(10.0, 0.1));
});
testWidgets('Spacer takes up space.', (WidgetTester tester) async {
await tester.pumpWidget(UnconstrainedBox(
constrainedAxis: Axis.vertical,
child: Column(
children: const <Widget>[
SizedBox(width: 20.0, height: 10.0),
Spacer(),
SizedBox(width: 10.0, height: 10.0),
],
),
));
final Rect spacerRect = tester.getRect(find.byType(Spacer));
final Rect flexRect = tester.getRect(find.byType(Column));
expect(spacerRect.size, const Size(0.0, 580.0));
expect(spacerRect.topLeft, const Offset(400.0, 10.0));
expect(flexRect, Rect.fromLTWH(390.0, 0.0, 20.0, 600.0));
});
}