run_app_test.dart 811 Bytes
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// Copyright 2014 The Flutter Authors. All rights reserved.
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// 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_test/flutter_test.dart';

void main() {
  testWidgets('runApp inside onPressed does not throw', (WidgetTester tester) async {
    await tester.pumpWidget(
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      Directionality(
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        textDirection: TextDirection.ltr,
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        child: Material(
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          child: ElevatedButton(
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            onPressed: () {
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              runApp(const Center(child: Text('Done', textDirection: TextDirection.ltr)));
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            },
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            child: const Text('GO'),
          ),
        ),
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      ),
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    );
    await tester.tap(find.text('GO'));
    expect(find.text('Done'), findsOneWidget);
  });
}