Fix generic function types in variable declarations (issue 29237)

pkg/analyzer/test/generated/non_error_resolver_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.non_error_resolver_test;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_resolution_map.dart';
@@ skipping 2140 matching lines @@
 class A {
   noSuchMethod(inv) {}
 }
 class B extends A implements Function {
 }''');
     await computeAnalysisResult(source);
     assertNoErrors(source);
     verify([source]);
   }
 
+  test_genericTypeAlias_noTypeParameters() async {
+    Source source = addSource(r'''
+typedef Foo = int Function<T>(T x);
+int foo<T>(T x) => 3;
+void test1() {
+  Foo y = foo;
+  // These two should be equivalent
+  foo<String>("hello");
+  y<String>("hello");
+}
+''');
+    await computeAnalysisResult(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
+  test_genericTypeAlias_typeParameters() async {
+    Source source = addSource(r'''
+typedef Foo<S> = S Function<T>(T x);
+int foo<T>(T x) => 3;
+void test1() {
+  Foo<int> y = foo;
+  // These two should be equivalent
+  foo<String>("hello");
+  y<String>("hello");
+}
+''');
+    await computeAnalysisResult(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
   test_implicitConstructorDependencies() async {
     // No warning should be generated for the code below; this requires that
     // implicit constructors are generated for C1 before C2, even though C1
     // follows C2 in the file.  See dartbug.com/21600.
     Source source = addSource(r'''
 class B {
   B(int i);
 }
 class M1 {}
 class M2 {}
@@ skipping 4076 matching lines @@
     await computeAnalysisResult(source);
     assertNoErrors(source);
     verify([source]);
     reset();
   }
 
   Future<Null> _check_wrongNumberOfParametersForOperator1(String name) async {
     await _check_wrongNumberOfParametersForOperator(name, "a");
   }
 }