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Unified Diff: packages/quiver/test/streams/enumerate_test.dart

Issue 1400473008: Roll Observatory packages and add a roll script (Closed) Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master
Patch Set: Created 5 years, 2 months ago
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Index: packages/quiver/test/streams/enumerate_test.dart
diff --git a/packages/quiver/test/streams/enumerate_test.dart b/packages/quiver/test/streams/enumerate_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..8c8490a111d273ded54856202ca649b8bbc429dc
--- /dev/null
+++ b/packages/quiver/test/streams/enumerate_test.dart
@@ -0,0 +1,35 @@
+// Copyright 2014 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+library quiver.streams.enumerate_test;
+
+import 'dart:async';
+
+import 'package:test/test.dart';
+import 'package:quiver/streams.dart';
+
+main() {
+ group('enumerate', () {
+ test('should add indices to its argument', () {
+ var controller = new StreamController<String>();
+ var enumerated = enumerate(controller.stream);
+ var expectation = enumerated.toList().then((e) {
+ expect(e.map((v) => v.index), [0, 1, 2]);
+ expect(e.map((v) => v.value), ['a', 'b', 'c']);
+ });
+ ['a', 'b', 'c'].forEach(controller.add);
+ return Future.wait([controller.close(), expectation]);
+ });
+ });
+}
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