Generate warnings for assignment to a type.

pkg/analyzer/test/generated/static_warning_code_test.dart

Index: pkg/analyzer/test/generated/static_warning_code_test.dart
diff --git a/pkg/analyzer/test/generated/static_warning_code_test.dart b/pkg/analyzer/test/generated/static_warning_code_test.dart
index 0ad381f9e0a1aa34906c462ef7e3a367339bab9a..6df4785a2bf39394eedc1d301f1b442a268d8c06 100644
--- a/pkg/analyzer/test/generated/static_warning_code_test.dart
+++ b/pkg/analyzer/test/generated/static_warning_code_test.dart
@@ -598,6 +598,17 @@ main() {
     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 {
@@ -646,6 +657,17 @@ f() {
     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 {
@@ -825,6 +847,29 @@ f(A a) {
     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) {