Update to latest lints, require Dart 3.2 (#267)

.github/workflows/test-package.yml

@@ -47,7 +47,7 @@ jobs:
       matrix:
         # Add macos-latest and/or windows-latest if relevant for this package.
         os: [ubuntu-latest]
-        sdk: [2.19.0, dev]
+        sdk: [3.2, dev]
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## 2.12.0-wip
 
-- Require Dart 2.19
+- Require Dart 3.2
 
 ## 2.11.0
 

analysis_options.yaml

@@ -1,4 +1,4 @@
-# https://dart.dev/guides/language/analysis-options
+# https://dart.dev/tools/analysis#the-analysis-options-file
 include: package:dart_flutter_team_lints/analysis_options.yaml
 
 analyzer:
@@ -7,16 +7,15 @@ analyzer:
   errors:
     only_throw_errors: ignore
     unawaited_futures: ignore
+    inference_failure_on_instance_creation: ignore
+    inference_failure_on_function_invocation: ignore
+    inference_failure_on_collection_literal: ignore
 
 linter:
   rules:
     - avoid_unused_constructor_parameters
-    - comment_references
     - literal_only_boolean_expressions
     - missing_whitespace_between_adjacent_strings
     - no_adjacent_strings_in_list
     - no_runtimeType_toString
     - package_api_docs
-    - prefer_relative_imports
-    - test_types_in_equals
-    - use_super_parameters

lib/src/subscription_stream.dart

@@ -73,7 +73,7 @@ class _CancelOnErrorSubscriptionWrapper<T>
   @override
   void onError(Function? handleError) {
     // Cancel when receiving an error.
-    super.onError((error, StackTrace stackTrace) {
+    super.onError((Object error, StackTrace stackTrace) {
       // Wait for the cancel to complete before sending the error event.
       super.cancel().whenComplete(() {
         if (handleError is ZoneBinaryCallback) {

pubspec.yaml

@@ -4,14 +4,14 @@ description: Utility functions and classes related to the 'dart:async' library.
 repository: https://github.com/dart-lang/async
 
 environment:
-  sdk: '>=2.19.0 <4.0.0'
+  sdk: ^3.2.0
 
 dependencies:
   collection: ^1.15.0
   meta: ^1.1.7
 
 dev_dependencies:
-  dart_flutter_team_lints: ^1.0.0
+  dart_flutter_team_lints: ^2.0.0
   fake_async: ^1.2.0
   stack_trace: ^1.10.0
   test: ^1.16.0

test/async_cache_test.dart

@@ -60,7 +60,7 @@ void main() {
       Future<String> throwingCall() async => throw Exception();
       await expectLater(cache.fetch(throwingCall), throwsA(isException));
       // To let the timer invalidate the cache
-      await Future.delayed(Duration(milliseconds: 5));
+      await Future<void>.delayed(const Duration(milliseconds: 5));
 
       Future<String> call() async => 'Completed';
       expect(await cache.fetch(call), 'Completed', reason: 'Cache invalidates');

test/cancelable_operation_test.dart

@@ -105,7 +105,7 @@ void main() {
     });
 
     test('is not complete until the result is available', () async {
-      var backingWork = Completer();
+      var backingWork = Completer<void>();
       var operation = CancelableOperation.fromFuture(backingWork.future);
       expect(operation.isCompleted, isFalse);
       backingWork.complete();
@@ -132,17 +132,19 @@ void main() {
 
       test('successfully then with a future', () {
         completer.complete(1);
-        expect(() => completer.complete(Completer().future), throwsStateError);
+        expect(() => completer.complete(Completer<void>().future),
+            throwsStateError);
       });
 
       test('with a future then successfully', () {
-        completer.complete(Completer().future);
+        completer.complete(Completer<void>().future);
         expect(() => completer.complete(1), throwsStateError);
       });
 
       test('with a future twice', () {
-        completer.complete(Completer().future);
-        expect(() => completer.complete(Completer().future), throwsStateError);
+        completer.complete(Completer<void>().future);
+        expect(() => completer.complete(Completer<void>().future),
+            throwsStateError);
       });
     });
 
@@ -185,7 +187,7 @@ void main() {
 
   group('when canceled', () {
     test('causes the future never to fire', () async {
-      var completer = CancelableCompleter();
+      var completer = CancelableCompleter<void>();
       completer.operation.value.whenComplete(expectAsync0(() {}, count: 0));
       completer.operation.cancel();
 
@@ -242,7 +244,7 @@ void main() {
         'does call onCancel if the completer has completed to an unfired '
         'Future', () {
       var completer = CancelableCompleter(onCancel: expectAsync0(() {}));
-      completer.complete(Completer().future);
+      completer.complete(Completer<void>().future);
       expect(completer.operation.cancel(), completes);
     });
 
@@ -257,15 +259,15 @@ void main() {
     });
 
     test('can be completed once after being canceled', () async {
-      var completer = CancelableCompleter();
+      var completer = CancelableCompleter<int>();
       completer.operation.value.whenComplete(expectAsync0(() {}, count: 0));
       await completer.operation.cancel();
       completer.complete(1);
       expect(() => completer.complete(1), throwsStateError);
     });
 
     test('fires valueOrCancellation with the given value', () {
-      var completer = CancelableCompleter();
+      var completer = CancelableCompleter<int>();
       expect(completer.operation.valueOrCancellation(1), completion(equals(1)));
       completer.operation.cancel();
     });
@@ -279,7 +281,7 @@ void main() {
     });
 
     test('valueOrCancellation waits on the onCancel future', () async {
-      var innerCompleter = Completer();
+      var innerCompleter = Completer<void>();
       var completer =
           CancelableCompleter(onCancel: () => innerCompleter.future);
 
@@ -389,13 +391,13 @@ void main() {
 
   group('asStream()', () {
     test('emits a value and then closes', () {
-      var completer = CancelableCompleter();
+      var completer = CancelableCompleter<int>();
       expect(completer.operation.asStream().toList(), completion(equals([1])));
       completer.complete(1);
     });
 
     test('emits an error and then closes', () {
-      var completer = CancelableCompleter();
+      var completer = CancelableCompleter<void>();
       var queue = StreamQueue(completer.operation.asStream());
       expect(queue.next, throwsA('error'));
       expect(queue.hasNext, completion(isFalse));
@@ -425,7 +427,7 @@ void main() {
       onError = expectAsync2((e, s) => 'Fake', count: 0, id: 'onError');
       onCancel = expectAsync0(() => 'Fake', count: 0, id: 'onCancel');
       propagateCancel = false;
-      originalCompleter = CancelableCompleter();
+      originalCompleter = CancelableCompleter<int>();
     });
 
     CancelableOperation<String> runThen() {
@@ -574,8 +576,8 @@ void main() {
       test('waits for chained cancellation', () async {
         var completer = CancelableCompleter<void>();
         var chainedOperation = completer.operation
-            .then((_) => Future.delayed(Duration(milliseconds: 1)))
-            .then((_) => Future.delayed(Duration(milliseconds: 1)));
+            .then((_) => Future<void>.delayed(const Duration(milliseconds: 1)))
+            .then((_) => Future<void>.delayed(const Duration(milliseconds: 1)));
 
         await completer.operation.cancel();
         expect(completer.operation.isCanceled, true);
@@ -655,7 +657,7 @@ void main() {
       onError = null;
       onCancel = null;
       propagateCancel = false;
-      originalCompleter = CancelableCompleter();
+      originalCompleter = CancelableCompleter<int>();
     });
 
     CancelableOperation<String> runThenOperation() {

test/chunked_stream_reader.dart

@@ -342,7 +342,7 @@ void main() {
     final r = ChunkedStreamReader(() async* {
       yield [1, 2, 3];
       // This will hang forever, so we will call cancel()
-      await Completer().future;
+      await Completer<void>().future;
       yield [4]; // this should never be reachable
       fail('unreachable!');
     }());
@@ -362,7 +362,7 @@ void main() {
     final r = ChunkedStreamReader(() async* {
       yield [1, 2, 3];
       // This will hang forever, so we will call cancel()
-      await Completer().future;
+      await Completer<void>().future;
       yield [4]; // this should never be reachable
       fail('unreachable!');
     }());

test/future_group_test.dart

@@ -67,9 +67,9 @@ void main() {
   });
 
   test('completes once all contained futures complete', () async {
-    var completer1 = Completer();
-    var completer2 = Completer();
-    var completer3 = Completer();
+    var completer1 = Completer<void>();
+    var completer2 = Completer<void>();
+    var completer3 = Completer<void>();
 
     futureGroup.add(completer1.future);
     futureGroup.add(completer2.future);
@@ -93,9 +93,9 @@ void main() {
   });
 
   test('completes to the values of the futures in order of addition', () {
-    var completer1 = Completer();
-    var completer2 = Completer();
-    var completer3 = Completer();
+    var completer1 = Completer<int>();
+    var completer2 = Completer<int>();
+    var completer3 = Completer<int>();
 
     futureGroup.add(completer1.future);
     futureGroup.add(completer2.future);
@@ -112,9 +112,9 @@ void main() {
 
   test("completes to the first error to be emitted, even if it's not closed",
       () {
-    var completer1 = Completer();
-    var completer2 = Completer();
-    var completer3 = Completer();
+    var completer1 = Completer<void>();
+    var completer2 = Completer<void>();
+    var completer3 = Completer<void>();
 
     futureGroup.add(completer1.future);
     futureGroup.add(completer2.future);
@@ -130,9 +130,9 @@ void main() {
       var idle = false;
       futureGroup.onIdle.listen((_) => idle = true);
 
-      var completer1 = Completer();
-      var completer2 = Completer();
-      var completer3 = Completer();
+      var completer1 = Completer<void>();
+      var completer2 = Completer<void>();
+      var completer3 = Completer<void>();
 
       futureGroup.add(completer1.future);
       futureGroup.add(completer2.future);
@@ -162,7 +162,7 @@ void main() {
       var idle = false;
       futureGroup.onIdle.listen((_) => idle = true);
 
-      var completer = Completer();
+      var completer = Completer<void>();
       futureGroup.add(completer.future);
 
       completer.complete();
@@ -171,7 +171,7 @@ void main() {
       expect(futureGroup.isIdle, isTrue);
 
       idle = false;
-      completer = Completer();
+      completer = Completer<void>();
       futureGroup.add(completer.future);
 
       await flushMicrotasks();
@@ -206,7 +206,7 @@ void main() {
         futureFired = true;
       }));
 
-      var completer = Completer();
+      var completer = Completer<void>();
       futureGroup.add(completer.future);
       futureGroup.close();
 

test/lazy_stream_test.dart

@@ -14,7 +14,7 @@ void main() {
     var callbackCalled = false;
     var stream = LazyStream(expectAsync0(() {
       callbackCalled = true;
-      return Stream.empty();
+      return const Stream.empty();
     }));
 
     await flushMicrotasks();
@@ -28,7 +28,7 @@ void main() {
     var callbackCalled = false;
     var stream = LazyStream(expectAsync0(() {
       callbackCalled = true;
-      return Stream.empty();
+      return const Stream.empty();
     }));
 
     await flushMicrotasks();
@@ -95,7 +95,7 @@ void main() {
     late LazyStream stream;
     stream = LazyStream(expectAsync0(() {
       expect(() => stream.listen(null), throwsStateError);
-      return Stream.empty();
+      return const Stream.empty();
     }));
     stream.listen(null);
   });

test/null_stream_sink_test.dart

@@ -17,7 +17,7 @@ void main() {
     });
 
     test('a custom future may be passed to done', () async {
-      var completer = Completer();
+      var completer = Completer<void>();
       var sink = NullStreamSink(done: completer.future);
 
       var doneFired = false;
@@ -51,7 +51,7 @@ void main() {
 
       expect(() => sink.add(1), throwsStateError);
       expect(() => sink.addError('oh no'), throwsStateError);
-      expect(() => sink.addStream(Stream.empty()), throwsStateError);
+      expect(() => sink.addStream(const Stream.empty()), throwsStateError);
     });
 
     group('addStream', () {
@@ -68,7 +68,7 @@ void main() {
       });
 
       test('returns the cancel future', () async {
-        var completer = Completer();
+        var completer = Completer<void>();
         var sink = NullStreamSink();
         var controller = StreamController(onCancel: () => completer.future);
 
@@ -93,15 +93,15 @@ void main() {
       test('causes events to throw StateErrors until the future completes',
           () async {
         var sink = NullStreamSink();
-        var future = sink.addStream(Stream.empty());
+        var future = sink.addStream(const Stream.empty());
         expect(() => sink.add(1), throwsStateError);
         expect(() => sink.addError('oh no'), throwsStateError);
-        expect(() => sink.addStream(Stream.empty()), throwsStateError);
+        expect(() => sink.addStream(const Stream.empty()), throwsStateError);
 
         await future;
         sink.add(1);
         sink.addError('oh no');
-        expect(sink.addStream(Stream.empty()), completes);
+        expect(sink.addStream(const Stream.empty()), completes);
       });
     });
   });