mirror of
https://github.com/flutter/flutter.git
synced 2025-06-03 00:51:18 +00:00
a1fbc839e2
Contributes to https://github.com/flutter/flutter/issues/130459 It adds a test for - `examples/api/lib/widgets/interactive_viewer/interactive_viewer.constrained.0.dart`
80 lines
2.8 KiB
Dart
80 lines
2.8 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/widgets/interactive_viewer/interactive_viewer.constrained.0.dart'
|
|
as example;
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
|
|
void main() {
|
|
testWidgets('The reset button resets the view with an animation', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
const example.ConstrainedExampleApp(),
|
|
);
|
|
|
|
expect(find.widgetWithText(AppBar, 'Constrained Sample'), findsOne);
|
|
expect(find.byType(InteractiveViewer), findsOne);
|
|
for (int row = 0; row < 48; row += 1) {
|
|
for (int column = 0; column < 6; column += 1) {
|
|
expect(find.text('$row x $column'), findsOne);
|
|
}
|
|
}
|
|
expect(
|
|
tester.getRect(find.byType(Table)),
|
|
rectMoreOrLessEquals(const Rect.fromLTRB(0.0, 56.0, 1200.0, 1304.0)),
|
|
);
|
|
|
|
// Pans along the x axis.
|
|
const Offset panStart = Offset(400.0, 300.0);
|
|
final Offset panXEnd = panStart - const Offset(0, 20);
|
|
final TestGesture gesturePanX = await tester.startGesture(panStart);
|
|
await tester.pump();
|
|
await gesturePanX.moveTo(panXEnd);
|
|
await tester.pump();
|
|
await gesturePanX.up();
|
|
await tester.pumpAndSettle();
|
|
|
|
expect(
|
|
tester.getRect(find.byType(Table)),
|
|
rectMoreOrLessEquals(const Rect.fromLTRB(0.0, 36.0, 1200.0, 1284.0)),
|
|
);
|
|
|
|
// Pans along the Y axis.
|
|
final Offset panYEnd = panStart - const Offset(20, 0);
|
|
final TestGesture gesturePanY = await tester.startGesture(panStart);
|
|
await tester.pump();
|
|
await gesturePanY.moveTo(panYEnd);
|
|
await tester.pump();
|
|
await gesturePanY.up();
|
|
await tester.pumpAndSettle();
|
|
|
|
expect(
|
|
tester.getRect(find.byType(Table)),
|
|
rectMoreOrLessEquals(const Rect.fromLTRB(-20.0, 36.0, 1180.0, 1284.0)),
|
|
);
|
|
|
|
// Tries to zooms even if it is disabled.
|
|
const Offset scaleStart1 = Offset(400.0, 300.0);
|
|
final Offset scaleStart2 = scaleStart1 + const Offset(10.0, 0.0);
|
|
final Offset scaleEnd1 = scaleStart1 - const Offset(10.0, 0.0);
|
|
final Offset scaleEnd2 = scaleStart2 + const Offset(10.0, 0.0);
|
|
final TestGesture gesture1 = await tester.createGesture();
|
|
final TestGesture gesture2 = await tester.createGesture();
|
|
await gesture1.down(scaleStart1);
|
|
await gesture2.down(scaleStart2);
|
|
await tester.pump();
|
|
await gesture1.moveTo(scaleEnd1);
|
|
await gesture2.moveTo(scaleEnd2);
|
|
await tester.pump();
|
|
await gesture1.up();
|
|
await gesture2.up();
|
|
await tester.pumpAndSettle();
|
|
|
|
expect(
|
|
tester.getRect(find.byType(Table)),
|
|
rectMoreOrLessEquals(const Rect.fromLTRB(-20.0, 36.0, 1180.0, 1284.0)),
|
|
);
|
|
});
|
|
}
|