blob: 46465e6615ad87362c440a4aca4cb719c9a761a1 [file] [log] [blame]
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('my first widget test', (WidgetTester tester) async {
// You can use keys to locate the widget you need to test
var sliderKey = UniqueKey();
var value = 0.0;
// Tells the tester to build a UI based on the widget tree passed to it
await tester.pumpWidget(
builder: (BuildContext context, StateSetter setState) {
return MaterialApp(
home: Material(
child: Center(
child: Slider(
key: sliderKey,
value: value,
onChanged: (double newValue) {
setState(() {
value = newValue;
expect(value, equals(0.0));
// Taps on the widget found by key
await tester.tap(find.byKey(sliderKey));
// Verifies that the widget updated the value correctly
expect(value, equals(0.5));