enhanced enum tests for annotate_overrides

Author: pq

test/rules/all.dart

@@ -2,6 +2,7 @@
 // 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.
 
+import 'annotate_overrides.dart' as annotate_overrides;
 import 'avoid_annotating_with_dynamic.dart' as avoid_annotating_with_dynamic;
 import 'avoid_function_literals_in_foreach_calls.dart'
     as avoid_function_literals_in_foreach_calls;
@@ -48,6 +49,7 @@ import 'use_is_even_rather_than_modulo.dart' as use_is_even_rather_than_modulo;
 import 'void_checks.dart' as void_checks;
 
 void main() {
+  annotate_overrides.main();
   avoid_annotating_with_dynamic.main();
   avoid_function_literals_in_foreach_calls.main();
   avoid_init_to_null.main();

test/rules/annotate_overrides.dart

@@ -0,0 +1,59 @@
+// Copyright (c) 2022, 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.
+
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../rule_test_support.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(AnnotateOverridesTest);
+  });
+}
+
+@reflectiveTest
+class AnnotateOverridesTest extends LintRuleTest {
+  @override
+  List<String> get experiments => [
+        EnableString.enhanced_enums,
+      ];
+
+  @override
+  String get lintRule => 'annotate_overrides';
+
+  test_field() async {
+    await assertDiagnostics(r'''
+enum A {
+  a,b,c;
+  int get hashCode => 0;
+}
+''', [
+      lint('annotate_overrides', 28, 8),
+    ]);
+  }
+
+  test_method() async {
+    await assertDiagnostics(r'''
+enum A {
+  a,b,c;
+  String toString() => '';
+}
+''', [
+      lint('annotate_overrides', 27, 8),
+    ]);
+  }
+
+  @FailingTest(issue: 'https://github.com/dart-lang/linter/issues/3093')
+  test_ok() async {
+    await assertNoDiagnostics(r'''
+enum A {
+  a,b,c;
+  @override
+  int get hashCode => 0;
+  @override
+  String toString() => '';
+}
+''');
+  }
+}