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Unified Diff: tests/lib_strong/async/stream_periodic6_test.dart

Issue 2802973005: Migrate async tests to strong (Closed)
Patch Set: Created 3 years, 8 months ago
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Index: tests/lib_strong/async/stream_periodic6_test.dart
diff --git a/tests/lib_strong/async/stream_periodic6_test.dart b/tests/lib_strong/async/stream_periodic6_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..1d4ffa332b05adc41b2fd3dfe73eaef735d2c1e5
--- /dev/null
+++ b/tests/lib_strong/async/stream_periodic6_test.dart
@@ -0,0 +1,29 @@
+// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Test merging streams.
+library dart.test.stream_from_iterable;
+
+import "dart:async";
+import 'package:unittest/unittest.dart';
+
+main() {
+ test("stream-periodic1", () {
+ Stream stream = new Stream.periodic(const Duration(milliseconds: 1),
+ (i) {
+ if (i == 3) throw 42;
+ return i;
+ });
+ int expected = 0;
+ var subscription;
+ subscription = stream.listen(expectAsync((data) {
+ expect(data, expected++);
+ if (expected == 5) subscription.cancel();
+ }, count: 4),
+ onError: expectAsync((e, s) {
+ expect(e, 42);
+ expected++;
+ }));
+ });
+}
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