examples/api/test/material/ink_well/ink_well.0_test.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/material/ink_well/ink_well.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('Clicking on InkWell changes the Size of 50x50 AnimatedContainer to 100x100 and vice versa', (WidgetTester tester) async {
    await tester.pumpWidget(
      const example.InkWellExampleApp(),
    );
    expect(find.widgetWithText(AppBar, 'InkWell Sample'), findsOneWidget);
    final Finder inkWell = find.byType(InkWell);
    final InkWell inkWellWidget = tester.widget<InkWell>(inkWell);
    final Finder animatedContainer = find.byType(AnimatedContainer);
    AnimatedContainer animatedContainerWidget = tester.widget<AnimatedContainer>(animatedContainer);
    expect(inkWell, findsOneWidget);
    expect(inkWellWidget.onTap.runtimeType, VoidCallback);
    expect(animatedContainerWidget.constraints?.minWidth, 50);
    expect(animatedContainerWidget.constraints?.minHeight, 50);
    await tester.tap(inkWell);
    await tester.pumpAndSettle();
    animatedContainerWidget = tester.widget<AnimatedContainer>(animatedContainer);
    expect(animatedContainerWidget.constraints?.minWidth, 100);
    expect(animatedContainerWidget.constraints?.minHeight, 100);
    await tester.tap(inkWell);
    await tester.pumpAndSettle();
    animatedContainerWidget = tester.widget<AnimatedContainer>(animatedContainer);
    expect(animatedContainerWidget.constraints?.minWidth, 50);
    expect(animatedContainerWidget.constraints?.minHeight, 50);
  });
}