87 lines
3.4 KiB
Dart
87 lines
3.4 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('test DragBoundary with useGlobalPosition', (WidgetTester tester) async {
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final GlobalKey key = GlobalKey();
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await tester.pumpWidget(
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Container(
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margin: const EdgeInsets.only(top: 100, left: 100),
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alignment: Alignment.topLeft,
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child: DragBoundary(child: SizedBox(key: key, width: 100, height: 100)),
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),
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);
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final DragBoundaryDelegate<Rect> boundary = DragBoundary.forRectOf(key.currentContext!);
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expect(boundary, isNotNull);
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expect(boundary.isWithinBoundary(const Rect.fromLTWH(50, 50, 20, 20)), isFalse);
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expect(boundary.isWithinBoundary(const Rect.fromLTWH(100, 100, 20, 20)), isTrue);
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expect(
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boundary.nearestPositionWithinBoundary(const Rect.fromLTWH(50, 50, 20, 20)),
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const Rect.fromLTWH(100, 100, 20, 20),
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);
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expect(
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boundary.nearestPositionWithinBoundary(const Rect.fromLTWH(150, 150, 20, 20)),
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const Rect.fromLTWH(150, 150, 20, 20),
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);
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});
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testWidgets('test DragBoundary without useGlobalPosition', (WidgetTester tester) async {
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final GlobalKey key = GlobalKey();
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await tester.pumpWidget(
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Container(
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margin: const EdgeInsets.only(top: 100, left: 100),
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alignment: Alignment.topLeft,
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child: DragBoundary(child: SizedBox(key: key, width: 100, height: 100)),
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),
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);
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final DragBoundaryDelegate<Rect> boundary = DragBoundary.forRectOf(
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key.currentContext!,
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useGlobalPosition: false,
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);
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expect(boundary, isNotNull);
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expect(boundary.isWithinBoundary(const Rect.fromLTWH(50, 50, 20, 20)), isTrue);
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expect(boundary.isWithinBoundary(const Rect.fromLTWH(90, 90, 20, 20)), isFalse);
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expect(
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boundary.nearestPositionWithinBoundary(const Rect.fromLTWH(50, 50, 20, 20)),
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const Rect.fromLTWH(50, 50, 20, 20),
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);
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expect(
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boundary.nearestPositionWithinBoundary(const Rect.fromLTWH(90, 90, 20, 20)),
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const Rect.fromLTWH(80, 80, 20, 20),
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);
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});
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testWidgets('forRectOf should return a free boundary when no ancestor has a DragBoundary', (
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WidgetTester tester,
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) async {
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final GlobalKey key = GlobalKey();
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await tester.pumpWidget(
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Container(
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margin: const EdgeInsets.only(top: 100, left: 100),
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alignment: Alignment.topLeft,
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child: SizedBox(key: key, width: 100, height: 100),
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),
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);
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final DragBoundaryDelegate<Rect> boundary = DragBoundary.forRectOf(key.currentContext!);
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expect(boundary, isNotNull);
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expect(boundary.isWithinBoundary(const Rect.fromLTWH(50, 50, 20, 20)), isTrue);
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expect(boundary.isWithinBoundary(const Rect.fromLTWH(100, 100, 20, 20)), isTrue);
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expect(boundary.isWithinBoundary(const Rect.fromLTWH(300, 300, 300, 300)), isTrue);
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expect(
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boundary.nearestPositionWithinBoundary(const Rect.fromLTWH(50, 50, 20, 20)),
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const Rect.fromLTWH(50, 50, 20, 20),
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);
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expect(
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boundary.nearestPositionWithinBoundary(const Rect.fromLTWH(150, 150, 20, 20)),
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const Rect.fromLTWH(150, 150, 20, 20),
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);
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expect(
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boundary.nearestPositionWithinBoundary(const Rect.fromLTWH(300, 300, 300, 300)),
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const Rect.fromLTWH(300, 300, 300, 300),
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);
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});
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}
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