Issue 24865. Quick Fix 'Create Method' should create named parameters.

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 'dart:async';
 
 import 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/plugin/edit/fix/fix_dart.dart';
@@ skipping 4197 matching lines @@
             ['double', 'num', 'Object', 'Comparable']));
     _assertLinkedGroup(change.linkedEditGroups[index++], ['d,']);
     _assertLinkedGroup(
         change.linkedEditGroups[index++],
         ['String s'],
         expectedSuggestions(
             LinkedEditSuggestionKind.TYPE, ['String', 'Object', 'Comparable']));
     _assertLinkedGroup(change.linkedEditGroups[index++], ['s)']);
   }
 
+  test_undefinedMethod_createUnqualified_parameters_named() async {
+    resolveTestUnit('''
+class A {
+  main() {
+    myUndefinedMethod(0, bbb: 1.0, ccc: '2');
+  }
+}
+''');
+    await assertHasFix(
+        DartFixKind.CREATE_METHOD,
+        '''
+class A {
+  main() {
+    myUndefinedMethod(0, bbb: 1.0, ccc: '2');
+  }
+
+  void myUndefinedMethod(int i, {double bbb, String ccc}) {
+  }
+}
+''');
+    // linked positions
+    int index = 0;
+    _assertLinkedGroup(
+        change.linkedEditGroups[index++], ['void myUndefinedMethod(']);
+    _assertLinkedGroup(change.linkedEditGroups[index++],
+        ['myUndefinedMethod(0', 'myUndefinedMethod(int']);
+    _assertLinkedGroup(
+        change.linkedEditGroups[index++],
+        ['int i'],
+        expectedSuggestions(LinkedEditSuggestionKind.TYPE,
+            ['int', 'num', 'Object', 'Comparable']));
+    _assertLinkedGroup(change.linkedEditGroups[index++], ['i,']);
+    _assertLinkedGroup(
+        change.linkedEditGroups[index++],
+        ['double bbb'],
+        expectedSuggestions(LinkedEditSuggestionKind.TYPE,
+            ['double', 'num', 'Object', 'Comparable']));
+    _assertLinkedGroup(
+        change.linkedEditGroups[index++],
+        ['String ccc'],
+        expectedSuggestions(
+            LinkedEditSuggestionKind.TYPE, ['String', 'Object', 'Comparable']));
+  }
+
   test_undefinedMethod_createUnqualified_returnType() async {
     resolveTestUnit('''
 class A {
   main() {
     int v = myUndefinedMethod();
   }
 }
 ''');
     await assertHasFix(
         DartFixKind.CREATE_METHOD,
@@ skipping 418 matching lines @@
       int offset = resultCode.indexOf(search);
       positions.add(new Position(testFile, offset));
     }
     return positions;
   }
 
   void _performAnalysis() {
     while (context.performAnalysisTask().hasMoreWork);
   }
 }