Store the async-await compiled pub code directly in the repo.

sdk/lib/_internal/pub_generated/test/error_group_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.
-
 library error_group_test;
-
 import 'dart:async';
-
 import 'package:unittest/unittest.dart';
-
 import '../lib/src/error_group.dart';
 import '../lib/src/utils.dart';
-
 ErrorGroup errorGroup;
-
-// TODO(nweiz): once there's a global error handler, we should test that it does
-// and does not get called at appropriate times. See issue 5958.
-//
-// One particular thing we should test that has no tests now is that a stream
-// that has a subscription added and subsequently canceled counts as having no
-// listeners.
-
 main() {
   group('with no futures or streams', () {
     setUp(() {
       errorGroup = new ErrorGroup();
     });
-
     test('should pass signaled errors to .done', () {
       expect(errorGroup.done, throwsFormatException);
       errorGroup.signalError(new FormatException());
     });
-
-    test("shouldn't allow additional futures or streams once an error has been "
-        "signaled", () {
+    test(
+        "shouldn't allow additional futures or streams once an error has been "
+            "signaled",
+        () {
       expect(errorGroup.done, throwsFormatException);
       errorGroup.signalError(new FormatException());
-
-      expect(() => errorGroup.registerFuture(new Future.value()),
+      expect(
+          () => errorGroup.registerFuture(new Future.value()),
           throwsStateError);
-      expect(() => errorGroup.registerStream(
-          new StreamController(sync: true).stream),
+      expect(
+          () => errorGroup.registerStream(new StreamController(sync: true).stream),
           throwsStateError);
     });
   });
-
   group('with a single future', () {
     Completer completer;
     Future future;
-
     setUp(() {
       errorGroup = new ErrorGroup();
       completer = new Completer();
       future = errorGroup.registerFuture(completer.future);
     });
-
     test('should pass through a value from the future', () {
       expect(future, completion(equals('value')));
       expect(errorGroup.done, completes);
       completer.complete('value');
     });
-
-    test("shouldn't allow additional futures or streams once .done has "
-        "been called", () {
+    test(
+        "shouldn't allow additional futures or streams once .done has " "been called",
+        () {
       completer.complete('value');
-
-      expect(completer.future
-                 .then((_) => errorGroup.registerFuture(new Future.value())),
-             throwsStateError);
-      expect(completer.future
-                 .then((_) => errorGroup.registerStream(
-                     new StreamController(sync: true).stream)),
-            throwsStateError);
+      expect(
+          completer.future.then((_) => errorGroup.registerFuture(new Future.value())),
+          throwsStateError);
+      expect(
+          completer.future.then(
+              (_) => errorGroup.registerStream(new StreamController(sync: true).stream)),
+          throwsStateError);
     });
-
-    test('should pass through an exception from the future if it has a '
-        'listener', () {
+    test(
+        'should pass through an exception from the future if it has a ' 'listener',
+        () {
       expect(future, throwsFormatException);
-      // errorGroup shouldn't top-level the exception
       completer.completeError(new FormatException());
     });
-
-    test('should notify the error group of an exception from the future even '
-        'if it has a listener', () {
+    test(
+        'should notify the error group of an exception from the future even '
+            'if it has a listener',
+        () {
       expect(future, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
       completer.completeError(new FormatException());
     });
-
-    test('should pass a signaled exception to the future if it has a listener '
-        'and should ignore a subsequent value from that future', () {
+    test(
+        'should pass a signaled exception to the future if it has a listener '
+            'and should ignore a subsequent value from that future',
+        () {
       expect(future, throwsFormatException);
-      // errorGroup shouldn't top-level the exception
       errorGroup.signalError(new FormatException());
       completer.complete('value');
     });
-
-    test('should pass a signaled exception to the future if it has a listener '
-        'and should ignore a subsequent exception from that future', () {
+    test(
+        'should pass a signaled exception to the future if it has a listener '
+            'and should ignore a subsequent exception from that future',
+        () {
       expect(future, throwsFormatException);
-      // errorGroup shouldn't top-level the exception
       errorGroup.signalError(new FormatException());
       completer.completeError(new ArgumentError());
     });
-
-    test('should notify the error group of a signaled exception even if the '
-        'future has a listener', () {
+    test(
+        'should notify the error group of a signaled exception even if the '
+            'future has a listener',
+        () {
       expect(future, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
       errorGroup.signalError(new FormatException());
     });
-
-    test("should complete .done if the future receives a value even if the "
-        "future doesn't have a listener", () {
+    test(
+        "should complete .done if the future receives a value even if the "
+            "future doesn't have a listener",
+        () {
       expect(errorGroup.done, completes);
       completer.complete('value');
-
-      // A listener added afterwards should receive the value
-      expect(errorGroup.done.then((_) => future),
-          completion(equals('value')));
+      expect(errorGroup.done.then((_) => future), completion(equals('value')));
     });
-
-    test("should pipe an exception from the future to .done if the future "
-        "doesn't have a listener", () {
+    test(
+        "should pipe an exception from the future to .done if the future "
+            "doesn't have a listener",
+        () {
       expect(errorGroup.done, throwsFormatException);
       completer.completeError(new FormatException());
-
-      // A listener added afterwards should receive the exception
       expect(errorGroup.done.catchError((_) {
         expect(future, throwsFormatException);
       }), completes);
     });
-
-    test("should pass a signaled exception to .done if the future doesn't have "
-        "a listener",
+    test(
+        "should pass a signaled exception to .done if the future doesn't have "
+            "a listener",
         () {
       expect(errorGroup.done, throwsFormatException);
       errorGroup.signalError(new FormatException());
-
-      // A listener added afterwards should receive the exception
       expect(errorGroup.done.catchError((_) {
-        completer.complete('value'); // should be ignored
+        completer.complete('value');
         expect(future, throwsFormatException);
       }), completes);
     });
   });
-
   group('with multiple futures', () {
     Completer completer1;
     Completer completer2;
     Future future1;
     Future future2;
-
     setUp(() {
       errorGroup = new ErrorGroup();
       completer1 = new Completer();
       completer2 = new Completer();
       future1 = errorGroup.registerFuture(completer1.future);
       future2 = errorGroup.registerFuture(completer2.future);
     });
-
-    test("should pipe exceptions from one future to the other and to "
-        ".complete", () {
+    test(
+        "should pipe exceptions from one future to the other and to " ".complete",
+        () {
       expect(future1, throwsFormatException);
       expect(future2, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
-
       completer1.completeError(new FormatException());
     });
-
-    test("each future should be able to complete with a value "
-        "independently", () {
+    test(
+        "each future should be able to complete with a value " "independently",
+        () {
       expect(future1, completion(equals('value1')));
       expect(future2, completion(equals('value2')));
       expect(errorGroup.done, completes);
-
       completer1.complete('value1');
       completer2.complete('value2');
     });
-
-    test("shouldn't throw a top-level exception if a future receives an error "
-        "after the other listened future completes", () {
+    test(
+        "shouldn't throw a top-level exception if a future receives an error "
+            "after the other listened future completes",
+        () {
       expect(future1, completion(equals('value')));
       completer1.complete('value');
-
       expect(future1.then((_) {
-        // shouldn't cause a top-level exception
         completer2.completeError(new FormatException());
       }), completes);
     });
-
-    test("shouldn't throw a top-level exception if an error is signaled after "
-        "one listened future completes", () {
+    test(
+        "shouldn't throw a top-level exception if an error is signaled after "
+            "one listened future completes",
+        () {
       expect(future1, completion(equals('value')));
       completer1.complete('value');
-
       expect(future1.then((_) {
-        // shouldn't cause a top-level exception
         errorGroup.signalError(new FormatException());
       }), completes);
     });
   });
-
   group('with a single stream', () {
     StreamController controller;
     Stream stream;
-
     setUp(() {
       errorGroup = new ErrorGroup();
       controller = new StreamController.broadcast(sync: true);
       stream = errorGroup.registerStream(controller.stream);
     });
-
     test('should pass through values from the stream', () {
       StreamIterator iter = new StreamIterator(stream);
       iter.moveNext().then((hasNext) {
         expect(hasNext, isTrue);
         expect(iter.current, equals(1));
         iter.moveNext().then((hasNext) {
           expect(hasNext, isTrue);
           expect(iter.current, equals(2));
           expect(iter.moveNext(), completion(isFalse));
         });
       });
       expect(errorGroup.done, completes);
-
-      controller..add(1)..add(2)..close();
+      controller
+          ..add(1)
+          ..add(2)
+          ..close();
     });
-
-    test('should pass through an error from the stream if it has a '
-        'listener', () {
+    test(
+        'should pass through an error from the stream if it has a ' 'listener',
+        () {
       expect(stream.first, throwsFormatException);
-      // errorGroup shouldn't top-level the exception
       controller.addError(new FormatException());
     });
-
-    test('should notify the error group of an exception from the stream even '
-        'if it has a listener', () {
+    test(
+        'should notify the error group of an exception from the stream even '
+            'if it has a listener',
+        () {
       expect(stream.first, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
       controller.addError(new FormatException());
     });
-
-    test('should pass a signaled exception to the stream if it has a listener '
-         'and should unsubscribe that stream', () {
-      // errorGroup shouldn't top-level the exception
+    test(
+        'should pass a signaled exception to the stream if it has a listener '
+            'and should unsubscribe that stream',
+        () {
       expect(stream.first, throwsFormatException);
       errorGroup.signalError(new FormatException());
-
       expect(newFuture(() {
         controller.add('value');
       }), completes);
     });
-
-    test('should notify the error group of a signaled exception even if the '
-        'stream has a listener', () {
+    test(
+        'should notify the error group of a signaled exception even if the '
+            'stream has a listener',
+        () {
       expect(stream.first, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
       errorGroup.signalError(new FormatException());
     });
-
-    test("should see one value and complete .done when the stream is done even "
-         "if the stream doesn't have a listener", () {
+    test(
+        "should see one value and complete .done when the stream is done even "
+            "if the stream doesn't have a listener",
+        () {
       expect(errorGroup.done, completes);
       controller.add('value');
       controller.close();
-
-      // Now that broadcast controllers have been removed a listener should
-      // see the value that has been put into the controller.
-      expect(errorGroup.done.then((_) => stream.toList()),
+      expect(
+          errorGroup.done.then((_) => stream.toList()),
           completion(equals(['value'])));
     });
-
   });
-
   group('with a single single-subscription stream', () {
     StreamController controller;
     Stream stream;
-
     setUp(() {
       errorGroup = new ErrorGroup();
       controller = new StreamController(sync: true);
       stream = errorGroup.registerStream(controller.stream);
     });
-
-    test("should complete .done when the stream is done even if the stream "
-        "doesn't have a listener", () {
+    test(
+        "should complete .done when the stream is done even if the stream "
+            "doesn't have a listener",
+        () {
       expect(errorGroup.done, completes);
       controller.add('value');
       controller.close();
-
-      // A listener added afterwards should receive the value
-      expect(errorGroup.done.then((_) => stream.toList()),
+      expect(
+          errorGroup.done.then((_) => stream.toList()),
           completion(equals(['value'])));
     });
-
-    test("should pipe an exception from the stream to .done if the stream "
-        "doesn't have a listener", () {
+    test(
+        "should pipe an exception from the stream to .done if the stream "
+            "doesn't have a listener",
+        () {
       expect(errorGroup.done, throwsFormatException);
       controller.addError(new FormatException());
-
-      // A listener added afterwards should receive the exception
       expect(errorGroup.done.catchError((_) {
-        controller.add('value'); // should be ignored
+        controller.add('value');
         expect(stream.first, throwsFormatException);
       }), completes);
     });
-
-    test("should pass a signaled exception to .done if the stream doesn't "
-        "have a listener",
+    test(
+        "should pass a signaled exception to .done if the stream doesn't "
+            "have a listener",
         () {
       expect(errorGroup.done, throwsFormatException);
       errorGroup.signalError(new FormatException());
-
-      // A listener added afterwards should receive the exception
       expect(errorGroup.done.catchError((_) {
-        controller.add('value'); // should be ignored
+        controller.add('value');
         expect(stream.first, throwsFormatException);
       }), completes);
     });
   });
-
   group('with multiple streams', () {
     StreamController controller1;
     StreamController controller2;
     Stream stream1;
     Stream stream2;
-
     setUp(() {
       errorGroup = new ErrorGroup();
       controller1 = new StreamController.broadcast(sync: true);
       controller2 = new StreamController.broadcast(sync: true);
       stream1 = errorGroup.registerStream(controller1.stream);
       stream2 = errorGroup.registerStream(controller2.stream);
     });
-
-    test("should pipe exceptions from one stream to the other and to .done",
+    test(
+        "should pipe exceptions from one stream to the other and to .done",
         () {
       expect(stream1.first, throwsFormatException);
       expect(stream2.first, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
-
       controller1.addError(new FormatException());
     });
-
     test("each future should be able to emit values independently", () {
       expect(stream1.toList(), completion(equals(['value1.1', 'value1.2'])));
       expect(stream2.toList(), completion(equals(['value2.1', 'value2.2'])));
       expect(errorGroup.done, completes);
-
-      controller1..add('value1.1')..add('value1.2')..close();
-      controller2..add('value2.1')..add('value2.2')..close();
+      controller1
+          ..add('value1.1')
+          ..add('value1.2')
+          ..close();
+      controller2
+          ..add('value2.1')
+          ..add('value2.2')
+          ..close();
     });
-
-    test("shouldn't throw a top-level exception if a stream receives an error "
-        "after the other listened stream completes", () {
+    test(
+        "shouldn't throw a top-level exception if a stream receives an error "
+            "after the other listened stream completes",
+        () {
       var signal = new Completer();
-      expect(stream1.toList().whenComplete(signal.complete),
-             completion(equals(['value1', 'value2'])));
-      controller1..add('value1')..add('value2')..close();
-
+      expect(
+          stream1.toList().whenComplete(signal.complete),
+          completion(equals(['value1', 'value2'])));
+      controller1
+          ..add('value1')
+          ..add('value2')
+          ..close();
       expect(signal.future.then((_) {
-        // shouldn't cause a top-level exception
         controller2.addError(new FormatException());
       }), completes);
     });
-
-    test("shouldn't throw a top-level exception if an error is signaled after "
-        "one listened stream completes", () {
+    test(
+        "shouldn't throw a top-level exception if an error is signaled after "
+            "one listened stream completes",
+        () {
       var signal = new Completer();
-      expect(stream1.toList().whenComplete(signal.complete),
-             completion(equals(['value1', 'value2'])));
-      controller1..add('value1')..add('value2')..close();
-
+      expect(
+          stream1.toList().whenComplete(signal.complete),
+          completion(equals(['value1', 'value2'])));
+      controller1
+          ..add('value1')
+          ..add('value2')
+          ..close();
       expect(signal.future.then((_) {
-        // shouldn't cause a top-level exception
         errorGroup.signalError(new FormatException());
       }), completes);
     });
   });
-
   group('with a stream and a future', () {
     StreamController controller;
     Stream stream;
     Completer completer;
     Future future;
-
     setUp(() {
       errorGroup = new ErrorGroup();
       controller = new StreamController.broadcast(sync: true);
       stream = errorGroup.registerStream(controller.stream);
       completer = new Completer();
       future = errorGroup.registerFuture(completer.future);
     });
-
     test("should pipe exceptions from the stream to the future", () {
       expect(stream.first, throwsFormatException);
       expect(future, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
-
       controller.addError(new FormatException());
     });
-
     test("should pipe exceptions from the future to the stream", () {
       expect(stream.first, throwsFormatException);
       expect(future, throwsFormatException);
       expect(errorGroup.done, throwsFormatException);
-
       completer.completeError(new FormatException());
     });
-
-    test("the stream and the future should be able to complete/emit values "
-        "independently", () {
+    test(
+        "the stream and the future should be able to complete/emit values "
+            "independently",
+        () {
       expect(stream.toList(), completion(equals(['value1.1', 'value1.2'])));
       expect(future, completion(equals('value2.0')));
       expect(errorGroup.done, completes);
-
-      controller..add('value1.1')..add('value1.2')..close();
+      controller
+          ..add('value1.1')
+          ..add('value1.2')
+          ..close();
       completer.complete('value2.0');
     });
-
-    test("shouldn't throw a top-level exception if the stream receives an error "
-        "after the listened future completes", () {
+    test(
+        "shouldn't throw a top-level exception if the stream receives an error "
+            "after the listened future completes",
+        () {
       expect(future, completion(equals('value')));
       completer.complete('value');
-
       expect(future.then((_) {
-        // shouldn't cause a top-level exception
         controller.addError(new FormatException());
       }), completes);
     });
-
-    test("shouldn't throw a top-level exception if the future receives an "
-        "error after the listened stream completes", () {
+    test(
+        "shouldn't throw a top-level exception if the future receives an "
+            "error after the listened stream completes",
+        () {
       var signal = new Completer();
-      expect(stream.toList().whenComplete(signal.complete),
-             completion(equals(['value1', 'value2'])));
-      controller..add('value1')..add('value2')..close();
-
+      expect(
+          stream.toList().whenComplete(signal.complete),
+          completion(equals(['value1', 'value2'])));
+      controller
+          ..add('value1')
+          ..add('value2')
+          ..close();
       expect(signal.future.then((_) {
-        // shouldn't cause a top-level exception
         completer.completeError(new FormatException());
       }), completes);
     });
   });
 }