Quick Fix for adding field formal parameters of not initialized final fields.

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/src/protocol.dart' hide AnalysisError;
 import 'package:analysis_server/src/services/correction/fix.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/source/package_map_resolver.dart';
@@ skipping 79 matching lines @@
     return values.map((value) {
       return new LinkedEditSuggestion(value, kind);
     }).toList();
   }
 
   void setUp() {
     super.setUp();
     verifyNoTestUnitErrors = false;
   }
 
+  void test_addFieldFormalParameters_hasRequiredParameter() {
+    resolveTestUnit('''
+class Test {
+  final int a;
+  final int b;
+  final int c;
+  Test(this.a);
+}
+''');
+    assertHasFix(FixKind.ADD_FIELD_FORMAL_PARAMETERS, '''
+class Test {
+  final int a;
+  final int b;
+  final int c;
+  Test(this.a, this.b, this.c);
+}
+''');
+  }
+
+  void test_addFieldFormalParameters_noParameters() {
+    resolveTestUnit('''
+class Test {
+  final int a;
+  final int b;
+  final int c;
+  Test();
+}
+''');
+    assertHasFix(FixKind.ADD_FIELD_FORMAL_PARAMETERS, '''
+class Test {
+  final int a;
+  final int b;
+  final int c;
+  Test(this.a, this.b, this.c);
+}
+''');
+  }
+
+  void test_addFieldFormalParameters_noRequiredParameter() {
+    resolveTestUnit('''
+class Test {
+  final int a;
+  final int b;
+  final int c;
+  Test([this.c]);
+}
+''');
+    assertHasFix(FixKind.ADD_FIELD_FORMAL_PARAMETERS, '''
+class Test {
+  final int a;
+  final int b;
+  final int c;
+  Test(this.a, this.b, [this.c]);
+}
+''');
+  }
+
   void test_addSync_blockFunctionBody() {
     resolveTestUnit('''
 foo() {}
 main() {
   await foo();
 }
 ''');
     List<AnalysisError> errors = context.computeErrors(testSource);
     expect(errors, hasLength(2));
     // ParserError: Expected to find ';'
@@ skipping 3154 matching lines @@
 
   List<Position> _findResultPositions(List<String> searchStrings) {
     List<Position> positions = <Position>[];
     for (String search in searchStrings) {
       int offset = resultCode.indexOf(search);
       positions.add(new Position(testFile, offset));
     }
     return positions;
   }
 }