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// 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 'dart:ui';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
testWidgets('has correct backdrop filters', (WidgetTester tester) async {
await tester.pumpWidget(
CupertinoApp(
home: Center(
child: CupertinoDesktopTextSelectionToolbar(
anchor: Offset.zero,
children: <Widget>[
CupertinoDesktopTextSelectionToolbarButton(
child: const Text('Tap me'),
onPressed: () {},
),
],
),
),
),
);
final BackdropFilter toolbarFilter = tester.firstWidget<BackdropFilter>(
find.descendant(
of: find.byType(CupertinoDesktopTextSelectionToolbar),
matching: find.byType(BackdropFilter),
),
);
expect(
toolbarFilter.filter.runtimeType,
// _ComposeImageFilter is internal so we can't test if its filters are
// for blur and saturation, but checking if it's a _ComposeImageFilter
// should be enough. Outer and inner parameters don't matter, we just need
// a new _ComposeImageFilter to get its runtimeType.
//
// As web doesn't support ImageFilter.compose, we use just blur when
// kIsWeb.
kIsWeb
? ImageFilter.blur().runtimeType
: ImageFilter.compose(
outer: ImageFilter.blur(),
inner: ImageFilter.blur(),
).runtimeType,
);
});
testWidgets('has shadow', (WidgetTester tester) async {
await tester.pumpWidget(
CupertinoApp(
home: Center(
child: CupertinoDesktopTextSelectionToolbar(
anchor: Offset.zero,
children: <Widget>[
CupertinoDesktopTextSelectionToolbarButton(
child: const Text('Tap me'),
onPressed: () {},
),
],
),
),
),
);
final DecoratedBox decoratedBox = tester.firstWidget<DecoratedBox>(
find.descendant(
of: find.byType(CupertinoDesktopTextSelectionToolbar),
matching: find.byType(DecoratedBox),
),
);
expect(
(decoratedBox.decoration as BoxDecoration).boxShadow,
isNotNull,
);
});
testWidgets('is translucent', (WidgetTester tester) async {
await tester.pumpWidget(
CupertinoApp(
home: Center(
child: CupertinoDesktopTextSelectionToolbar(
anchor: Offset.zero,
children: <Widget>[
CupertinoDesktopTextSelectionToolbarButton(
child: const Text('Tap me'),
onPressed: () {},
),
],
),
),
),
);
final DecoratedBox decoratedBox = tester
.widgetList<DecoratedBox>(
find.descendant(
of: find.byType(CupertinoDesktopTextSelectionToolbar),
matching: find.byType(DecoratedBox),
),
)
// The second DecoratedBox should be the one with color.
.elementAt(1);
expect(
(decoratedBox.decoration as BoxDecoration).color!.opacity,
lessThan(1.0),
);
});
testWidgets('positions itself at the anchor', (WidgetTester tester) async {
// An arbitrary point on the screen to position at.
const Offset anchor = Offset(30.0, 40.0);
await tester.pumpWidget(
CupertinoApp(
home: Center(
child: CupertinoDesktopTextSelectionToolbar(
anchor: anchor,
children: <Widget>[
CupertinoDesktopTextSelectionToolbarButton(
child: const Text('Tap me'),
onPressed: () {},
),
],
),
),
),
);
expect(
tester
.getTopLeft(find.byType(CupertinoDesktopTextSelectionToolbarButton)),
// Greater than due to padding internal to the toolbar.
greaterThan(anchor),
);
});
}