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63e7a0e80a
Developers need to get the size of the BuildContext sufficiently often that we should provide a convenient getter for the value. Having this getter is also an opportunity to catch common mistakes and provide useful error messages that guide developers towards better patterns. Fixes #2321
46 lines
1.2 KiB
Dart
46 lines
1.2 KiB
Dart
// Copyright 2015 The Chromium 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_test/flutter_test.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/widgets.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(
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new Align(
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child: new Container(),
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alignment: const FractionalOffset(0.75, 0.75)
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)
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);
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await tester.pumpWidget(
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new Align(
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child: new Container(),
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alignment: const FractionalOffset(0.5, 0.5)
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)
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);
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});
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testWidgets('Shrink wraps in finite space', (WidgetTester tester) async {
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GlobalKey alignKey = new GlobalKey();
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await tester.pumpWidget(
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new ScrollableViewport(
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child: new Align(
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key: alignKey,
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child: new Container(
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width: 10.0,
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height: 10.0
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),
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alignment: const FractionalOffset(0.50, 0.50)
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)
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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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}
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