Generate warnings for assignment to a type.

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 engine.static_warning_code_test;
 
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:unittest/unittest.dart';
 
@@ skipping 580 matching lines @@
   A(String p) {}
 }
 main() {
   new A(42);
 }''');
     resolve(source);
     assertErrors(source, [StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE]);
     verify([source]);
   }
 
+  void test_assignmentToClass() {
+    Source source = addSource('''
+class C {}
+main() {
+  C = null;
+}
+''');
+    resolve(source);
+    assertErrors(source, [StaticWarningCode.ASSIGNMENT_TO_TYPE]);
+  }
+
   void test_assignmentToConst_instanceVariable() {
     Source source = addSource(r'''
 class A {
   static const v = 0;
 }
 f() {
   A.v = 1;
 }''');
     resolve(source);
     assertErrors(source, [StaticWarningCode.ASSIGNMENT_TO_CONST]);
@@ skipping 28 matching lines @@
     Source source = addSource(r'''
 f() {
   const x = 0;
   x += 1;
 }''');
     resolve(source);
     assertErrors(source, [StaticWarningCode.ASSIGNMENT_TO_CONST]);
     verify([source]);
   }
 
+  void test_assignmentToEnumType() {
+    Source source = addSource('''
+enum E { e }
+main() {
+  E = null;
+}
+''');
+    resolve(source);
+    assertErrors(source, [StaticWarningCode.ASSIGNMENT_TO_TYPE]);
+  }
+
   void test_assignmentToFinal_instanceVariable() {
     Source source = addSource(r'''
 class A {
   final v = 0;
 }
 f() {
   A a = new A();
   a.v = 1;
 }''');
     resolve(source);
@@ skipping 159 matching lines @@
   m() {}
 }
 f(A a) {
   a.m = () {};
 }''');
     resolve(source);
     assertErrors(source, [StaticWarningCode.ASSIGNMENT_TO_METHOD]);
     verify([source]);
   }
 
+  void test_assignmentToTypedef() {
+    Source source = addSource('''
+typedef void F();
+main() {
+  F = null;
+}
+''');
+    resolve(source);
+    assertErrors(source, [StaticWarningCode.ASSIGNMENT_TO_TYPE]);
+  }
+
+  void test_assignmentToTypeParameter() {
+    Source source = addSource('''
+class C<T> {
+  f() {
+    T = null;
+  }
+}
+''');
+    resolve(source);
+    assertErrors(source, [StaticWarningCode.ASSIGNMENT_TO_TYPE]);
+  }
+
   void test_caseBlockNotTerminated() {
     Source source = addSource(r'''
 f(int p) {
   switch (p) {
     case 0:
       f(p);
     case 1:
       break;
   }
 }''');
@@ skipping 2645 matching lines @@
 
   void test_voidReturnForGetter() {
     Source source = addSource(r'''
 class S {
   void get value {}
 }''');
     resolve(source);
     assertErrors(source, [StaticWarningCode.VOID_RETURN_FOR_GETTER]);
   }
 }