17 lines
578 B
Dart
17 lines
578 B
Dart
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import 'package:flutter_test/flutter_test.dart';
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/// Waits until [condition] holds, checking every few milliseconds, and fails
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/// after [timeout]: for what follows a real timer, without betting on how
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/// fast a busy machine runs.
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Future<void> eventually(
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bool Function() condition, {
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Duration timeout = const Duration(seconds: 10),
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}) async {
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final stopwatch = Stopwatch()..start();
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while (!condition()) {
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if (stopwatch.elapsed > timeout) {
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fail('Still not so after $timeout.');
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}
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await Future<void>.delayed(const Duration(milliseconds: 10));
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}
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}
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