flutter/examples/api/test/animation/curves/curve2_d.0_test.dart
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---------

Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
2024-12-19 20:06:21 +00:00

39 lines
1.3 KiB
Dart

// 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 'package:flutter/material.dart';
import 'package:flutter_api_samples/animation/curves/curve2_d.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('The buzz widget should move around', (WidgetTester tester) async {
await tester.pumpWidget(const example.Curve2DExampleApp());
final Finder textFinder = find.widgetWithText(CircleAvatar, 'B');
expect(tester.getCenter(textFinder), const Offset(58, 440));
const List<Offset> expectedOffsets = <Offset>[
Offset(43, 407),
Offset(81, 272),
Offset(185, 103),
Offset(378, 92),
Offset(463, 392),
Offset(479, 124),
Offset(745, 389),
Offset(450, 555),
Offset(111, 475),
Offset(58, 440),
Offset(43, 407),
];
const int steps = 10;
for (int i = 0; i <= steps; i++) {
await tester.pump(const Duration(seconds: 3) * (1 / steps));
final Offset center = tester.getCenter(textFinder);
expect(center.dx, moreOrLessEquals(expectedOffsets[i].dx, epsilon: 1));
expect(center.dy, moreOrLessEquals(expectedOffsets[i].dy, epsilon: 1));
}
});
}