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23 lines
840 B
Dart
23 lines
840 B
Dart
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('SystemChrome overlay style test', (WidgetTester tester) async {
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// The first call is a cache miss and will queue a microtask
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SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle.light);
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expect(tester.binding.microtaskCount, equals(1));
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// Flush all microtasks
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await tester.idle();
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expect(tester.binding.microtaskCount, equals(0));
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// The second call with the same value should be a no-op
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SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle.light);
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expect(tester.binding.microtaskCount, equals(0));
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});
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}
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