Issue 24338. Don't propose creating a local class for prefixed identifiers.

pkg/analysis_server/test/services/correction/fix_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 test.services.correction.fix;
 
 import 'package:analysis_server/edit/fix/fix_core.dart';
 import 'package:analysis_server/src/protocol.dart' hide AnalysisError;
 import 'package:analysis_server/src/services/correction/fix.dart';
 import 'package:analysis_server/src/services/correction/fix_internal.dart';
@@ skipping 523 matching lines @@
 main() {
   Test v = null;
 }
 
 class Test {
 }
 ''');
     _assertLinkedGroup(change.linkedEditGroups[0], ['Test v =', 'Test {']);
   }
 
+  void test_createClass_BAD_hasUnresolvedPrefix() {
+    resolveTestUnit('''
+main() {
+  prefix.Test v = null;
+}
+''');
+    assertNoFix(DartFixKind.CREATE_CLASS);
+  }
+
   void test_createClass_inLibraryOfPrefix() {
     String libCode = r'''
 library my.lib;
 
 class A {}
 ''';
     addSource('/lib.dart', libCode);
     resolveTestUnit('''
 import 'lib.dart' as lib;
 
@@ skipping 2051 matching lines @@
         DartFixKind.IMPORT_LIBRARY_PROJECT,
         '''
 import 'package:my_pkg/my_lib.dart';
 
 main() {
   Test test = null;
 }
 ''');
   }
 
-  void test_importLibraryPrefix_withClass() {
-    resolveTestUnit('''
-import 'dart:async' as pref;
-main() {
-  pref.Stream s = null;
-  Future f = null;
-}
-''');
-    assertHasFix(
-        DartFixKind.IMPORT_LIBRARY_PREFIX,
-        '''
-import 'dart:async' as pref;
-main() {
-  pref.Stream s = null;
-  pref.Future f = null;
-}
-''');
-  }
-
-  void test_importLibraryPrefix_withTopLevelVariable() {
-    resolveTestUnit('''
-import 'dart:math' as pref;
-main() {
-  print(pref.E);
-  print(PI);
-}
-''');
-    assertHasFix(
-        DartFixKind.IMPORT_LIBRARY_PREFIX,
-        '''
-import 'dart:math' as pref;
-main() {
-  print(pref.E);
-  print(pref.PI);
-}
-''');
-  }
-
   void test_importLibraryProject_withClass_annotation() {
     addSource(
         '/lib.dart',
         '''
 library lib;
 class Test {
   const Test(int p);
 }
 ''');
     resolveTestUnit('''
@@ skipping 1694 matching lines @@
         DartFixKind.USE_EFFECTIVE_INTEGER_DIVISION,
         '''
 main() {
   var a = 5;
   var b = 2;
   print(a ~/ b);
 }
 ''');
   }
 
+  void test_useImportPrefix_withClass() {
+    resolveTestUnit('''
+import 'dart:async' as pref;
+main() {
+  pref.Stream s = null;
+  Future f = null;
+}
+''');
+    assertHasFix(
+        DartFixKind.IMPORT_LIBRARY_PREFIX,
+        '''
+import 'dart:async' as pref;
+main() {
+  pref.Stream s = null;
+  pref.Future f = null;
+}
+''');
+  }
+
+  void test_useImportPrefix_withTopLevelVariable() {
+    resolveTestUnit('''
+import 'dart:math' as pref;
+main() {
+  print(pref.E);
+  print(PI);
+}
+''');
+    assertHasFix(
+        DartFixKind.IMPORT_LIBRARY_PREFIX,
+        '''
+import 'dart:math' as pref;
+main() {
+  print(pref.E);
+  print(pref.PI);
+}
+''');
+  }
+
   /**
    * Computes fixes and verifies that there is a fix of the given kind.
    */
   Fix _assertHasFix(FixKind kind, AnalysisError error) {
     List<Fix> fixes = _computeFixes(error);
     for (Fix fix in fixes) {
       if (fix.kind == kind) {
         return fix;
       }
     }
@@ skipping 49 matching lines @@
       int offset = resultCode.indexOf(search);
       positions.add(new Position(testFile, offset));
     }
     return positions;
   }
 
   void _performAnalysis() {
     while (context.performAnalysisTask().hasMoreWork);
   }
 }