Migrate async tests to strong

tests/lib_strong/async/stream_subscription_as_future_test.dart

+// 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 the Stream.single method.
+library stream_single_test;
+
+import "package:expect/expect.dart";
+import 'dart:async';
+import 'package:unittest/unittest.dart';
+
+main() {
+  test("subscription.asFuture success", () {
+    Stream stream = new Stream.fromIterable([1, 2, 3]);
+    var output = [];
+    var subscription = stream.listen((x) { output.add(x); });
+    subscription.asFuture(output).then(expectAsync((o) {
+      Expect.listEquals([1, 2, 3], o);
+    }));
+  });
+
+  test("subscription.asFuture success2", () {
+    StreamController controller = new StreamController(sync: true);
+    [1, 2, 3].forEach(controller.add);
+    controller.close();
+    Stream stream = controller.stream;
+    var output = [];
+    var subscription = stream.listen((x) { output.add(x); });
+    subscription.asFuture(output).then(expectAsync((o) {
+      Expect.listEquals([1, 2, 3], o);
+    }));
+  });
+
+  test("subscription.asFuture success 3", () {
+    Stream stream = new Stream.fromIterable([1, 2, 3]).map((x) => x);
+    var output = [];
+    var subscription = stream.listen((x) { output.add(x); });
+    subscription.asFuture(output).then(expectAsync((o) {
+      Expect.listEquals([1, 2, 3], o);
+    }));
+  });
+
+  test("subscription.asFuture different type", () {
+    Stream stream = new Stream<int>.fromIterable([1, 2, 3]);
+    var asyncCallback = expectAsync(() => {});
+    var output = [];
+    var subscription = stream.listen((x) { output.add(x); });
+    subscription.asFuture("string").then((String o) {
+      Expect.listEquals([1, 2, 3], output);
+      Expect.equals("string", o);
+      asyncCallback();
+    });
+  });
+
+  test("subscription.asFuture failure", () {
+    StreamController controller = new StreamController(sync: true);
+    [1, 2, 3].forEach(controller.add);
+    controller.addError("foo");
+    controller.close();
+    Stream stream = controller.stream;
+    var output = [];
+    var subscription = stream.listen((x) { output.add(x); });
+    subscription.asFuture(output).catchError(expectAsync((error) {
+      Expect.equals(error, "foo");
+    }));
+  });
+
+  test("subscription.asFuture failure2", () {
+    Stream stream = new Stream.fromIterable([1, 2, 3, 4])
+      .map((x) {
+        if (x == 4) throw "foo";
+        return x;
+      });
+    var output = [];
+    var subscription = stream.listen((x) { output.add(x); });
+    subscription.asFuture(output).catchError(expectAsync((error) {
+      Expect.equals(error, "foo");
+    }));
+  });
+
+  test("subscription.asFuture delayed cancel", () {
+    var completer = new Completer();
+    var controller =
+        new StreamController(onCancel: () => completer.future, sync: true);
+    [1, 2, 3].forEach(controller.add);
+    controller.addError("foo");
+    controller.close();
+    Stream stream = controller.stream;
+    var output = [];
+    var subscription = stream.listen((x) { output.add(x); });
+    bool catchErrorHasRun = false;
+    subscription.asFuture(output).catchError(expectAsync((error) {
+      Expect.equals(error, "foo");
+      catchErrorHasRun = true;
+    }));
+    Timer.run(expectAsync(() {
+      Expect.isFalse(catchErrorHasRun);
+      completer.complete();
+    }));
+  });
+
+  test("subscription.asFuture failure in cancel", () {
+    runZoned(() {
+      var completer = new Completer();
+      var controller =
+          new StreamController(onCancel: () => completer.future, sync: true);
+      [1, 2, 3].forEach(controller.add);
+      controller.addError("foo");
+      controller.close();
+      Stream stream = controller.stream;
+      var output = [];
+      var subscription = stream.listen((x) { output.add(x); });
+      bool catchErrorHasRun = false;
+      subscription.asFuture(output).catchError(expectAsync((error) {
+        Expect.equals(error, "foo");
+        catchErrorHasRun = true;
+      }));
+      Timer.run(expectAsync(() {
+        Expect.isFalse(catchErrorHasRun);
+        completer.completeError(499);
+      }));
+    }, onError: expectAsync((e) {
+      Expect.equals(499, e);
+    }));
+  });
+}