fix #29426, class type alias was missing checks

pkg/analyzer/test/generated/static_warning_code_test.dart

 // Copyright (c) 2014, 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 analyzer.test.generated.static_warning_code_test;
 
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/error/codes.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source_io.dart';
@@ skipping 1508 matching lines @@
     Source source = addSource(r'''
 abstract class A implements Function {
 }
 class B implements A {
 }''');
     await computeAnalysisResult(source);
     assertErrors(source, [StaticWarningCode.FUNCTION_WITHOUT_CALL]);
     verify([source]);
   }
 
+  test_functionWithoutCall_mixin_implements() async {
+    Source source = addSource(r'''
+abstract class A implements Function {}
+class B extends Object with A {}''');
+    await computeAnalysisResult(source);
+    assertErrors(source, [StaticWarningCode.FUNCTION_WITHOUT_CALL]);
+    verify([source]);
+  }
+
+  test_functionWithoutCall_direct_typeAlias() async {
+    Source source = addSource(r'''
+class M {}
+class A = Object with M implements Function;''');
+    await computeAnalysisResult(source);
+    assertErrors(source, [StaticWarningCode.FUNCTION_WITHOUT_CALL]);
+    verify([source]);
+  }
+
+  test_functionWithoutCall_indirect_extends_typeAlias() async {
+    Source source = addSource(r'''
+abstract class A implements Function {}
+class M {}
+class B = A with M;''');
+    await computeAnalysisResult(source);
+    assertErrors(source, [StaticWarningCode.FUNCTION_WITHOUT_CALL]);
+    verify([source]);
+  }
+
+  test_functionWithoutCall_indirect_implements_typeAlias() async {
+    Source source = addSource(r'''
+abstract class A implements Function {}
+class M {}
+class B = Object with M implements A;''');
+    await computeAnalysisResult(source);
+    assertErrors(source, [StaticWarningCode.FUNCTION_WITHOUT_CALL]);
+    verify([source]);
+  }
+
+  test_functionWithoutCall_mixin_implements_typeAlias() async {
+    Source source = addSource(r'''
+abstract class A implements Function {}
+class B = Object with A;''');
+    await computeAnalysisResult(source);
+    assertErrors(source, [StaticWarningCode.FUNCTION_WITHOUT_CALL]);
+    verify([source]);
+  }
+
   test_importDuplicatedLibraryNamed() async {
     Source source = addSource(r'''
 library test;
 import 'lib1.dart';
 import 'lib2.dart';''');
     addNamedSource("/lib1.dart", "library lib;");
     addNamedSource("/lib2.dart", "library lib;");
     await computeAnalysisResult(source);
     assertErrors(source, [
       StaticWarningCode.IMPORT_DUPLICATED_LIBRARY_NAMED,
@@ skipping 2211 matching lines @@
 
   test_voidReturnForGetter() async {
     Source source = addSource(r'''
 class S {
   void get value {}
 }''');
     await computeAnalysisResult(source);
     assertErrors(source, [StaticWarningCode.VOID_RETURN_FOR_GETTER]);
   }
 }