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

void main() {
  testWidgets('Checkbox can be checked', (WidgetTester tester) async {
    await tester.pumpWidget(
      const example.CheckboxExampleApp(),
    );

    Checkbox checkbox = tester.widget(find.byType(Checkbox));
    expect(checkbox.value, isFalse);

    await tester.tap(find.byType(Checkbox));
    await tester.pump();

    checkbox = tester.widget(find.byType(Checkbox));
    expect(checkbox.value, isTrue);

    await tester.tap(find.byType(Checkbox));
    await tester.pump();

    checkbox = tester.widget(find.byType(Checkbox));
    expect(checkbox.value, isFalse);
  });

  testWidgets('Checkbox color can be changed', (WidgetTester tester) async {
    await tester.pumpWidget(
      const example.CheckboxExampleApp(),
    );
    final Checkbox checkbox = tester.widget(find.byType(Checkbox));

    expect(
      checkbox.checkColor,
      Colors.white,
    );
    expect(
      checkbox.fillColor!.resolve(<MaterialState>{}),
      Colors.red,
    );
    expect(
      checkbox.fillColor!.resolve(<MaterialState>{MaterialState.pressed}),
      Colors.blue,
    );
    expect(
      checkbox.fillColor!.resolve(<MaterialState>{MaterialState.hovered}),
      Colors.blue,
    );
    expect(
      checkbox.fillColor!.resolve(<MaterialState>{MaterialState.focused}),
      Colors.blue,
    );
  });
}