92 lines
2.9 KiB
Dart
92 lines
2.9 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_test/flutter_test.dart';
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import 'package:flutter/widgets.dart';
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void main() {
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testWidgets('CustomScrollView.center', (WidgetTester tester) async {
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await tester.pumpWidget(const Directionality(
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textDirection: TextDirection.ltr,
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child: CustomScrollView(
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slivers: <Widget>[
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SliverToBoxAdapter(key: Key('a'), child: SizedBox(height: 100.0)),
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SliverToBoxAdapter(key: Key('b'), child: SizedBox(height: 100.0)),
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],
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center: Key('a'),
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),
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));
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await tester.pumpAndSettle();
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expect(tester.getRect(find.descendant(of: find.byKey(const Key('a')), matching: find.byType(SizedBox))),
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const Rect.fromLTRB(0.0, 0.0, 800.0, 100.0));
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expect(tester.getRect(find.descendant(of: find.byKey(const Key('b')), matching: find.byType(SizedBox))),
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const Rect.fromLTRB(0.0, 100.0, 800.0, 200.0));
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});
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testWidgets('CustomScrollView.center', (WidgetTester tester) async {
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await tester.pumpWidget(const Directionality(
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textDirection: TextDirection.ltr,
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child: CustomScrollView(
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slivers: <Widget>[
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SliverToBoxAdapter(key: Key('a'), child: SizedBox(height: 100.0)),
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SliverToBoxAdapter(key: Key('b'), child: SizedBox(height: 100.0)),
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],
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center: Key('b'),
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),
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));
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await tester.pumpAndSettle();
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expect(
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tester.getRect(
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find.descendant(
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of: find.byKey(const Key('a'), skipOffstage: false),
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matching: find.byType(SizedBox, skipOffstage: false),
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),
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),
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const Rect.fromLTRB(0.0, -100.0, 800.0, 0.0),
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);
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expect(
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tester.getRect(
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find.descendant(
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of: find.byKey(const Key('b')),
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matching: find.byType(SizedBox),
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),
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),
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const Rect.fromLTRB(0.0, 0.0, 800.0, 100.0),
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);
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});
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testWidgets('CustomScrollView.anchor', (WidgetTester tester) async {
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await tester.pumpWidget(const Directionality(
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textDirection: TextDirection.ltr,
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child: CustomScrollView(
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slivers: <Widget>[
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SliverToBoxAdapter(key: Key('a'), child: SizedBox(height: 100.0)),
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SliverToBoxAdapter(key: Key('b'), child: SizedBox(height: 100.0)),
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],
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center: Key('b'),
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anchor: 1.0,
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),
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));
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await tester.pumpAndSettle();
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expect(
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tester.getRect(
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find.descendant(
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of: find.byKey(const Key('a')),
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matching: find.byType(SizedBox),
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),
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),
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const Rect.fromLTRB(0.0, 500.0, 800.0, 600.0),
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);
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expect(
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tester.getRect(
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find.descendant(
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of: find.byKey(const Key('b'), skipOffstage: false),
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matching: find.byType(SizedBox, skipOffstage: false),
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),
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),
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const Rect.fromLTRB(0.0, 600.0, 800.0, 700.0),
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);
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});
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}
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