Issue 11200. Quick Fix for adding required/positional 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 '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 144 matching lines @@
     assertHasFix(DartFixKind.ADD_FIELD_FORMAL_PARAMETERS, '''
 class Test {
   final int a;
   final int b;
   final int c;
   Test(this.a, this.b, [this.c]);
 }
 ''');
   }
 
+  void test_addMissingParameter_function_positional_hasZero() {
+    resolveTestUnit('''
+test() {}
+main() {
+  test(1);
+}
+''');
+    assertHasFix(DartFixKind.ADD_MISSING_PARAMETER_POSITIONAL, '''
+test([int i]) {}
+main() {
+  test(1);
+}
+''');
+  }
+
+  void test_addMissingParameter_function_required_hasOne() {
+    resolveTestUnit('''
+test(int a) {}
+main() {
+  test(1, 2.0);
+}
+''');
+    assertHasFix(DartFixKind.ADD_MISSING_PARAMETER_REQUIRED, '''
+test(int a, double d) {}
+main() {
+  test(1, 2.0);
+}
+''');
+  }
+
+  void test_addMissingParameter_function_required_hasZero() {
+    resolveTestUnit('''
+test() {}
+main() {
+  test(1);
+}
+''');
+    assertHasFix(DartFixKind.ADD_MISSING_PARAMETER_REQUIRED, '''
+test(int i) {}
+main() {
+  test(1);
+}
+''');
+  }
+
+  void test_addMissingParameter_method_positional_hasOne() {
+    resolveTestUnit('''
+class A {
+  test(int a) {}
+  main() {
+    test(1, 2.0);
+  }
+}
+''');
+    assertHasFix(DartFixKind.ADD_MISSING_PARAMETER_POSITIONAL, '''
+class A {
+  test(int a, [double d]) {}
+  main() {
+    test(1, 2.0);
+  }
+}
+''');
+  }
+
+  void test_addMissingParameter_method_required_hasOne() {
+    resolveTestUnit('''
+class A {
+  test(int a) {}
+  main() {
+    test(1, 2.0);
+  }
+}
+''');
+    assertHasFix(DartFixKind.ADD_MISSING_PARAMETER_REQUIRED, '''
+class A {
+  test(int a, double d) {}
+  main() {
+    test(1, 2.0);
+  }
+}
+''');
+  }
+
+  void test_addMissingParameter_method_required_hasZero() {
+    resolveTestUnit('''
+class A {
+  test() {}
+  main() {
+    test(1);
+  }
+}
+''');
+    assertHasFix(DartFixKind.ADD_MISSING_PARAMETER_REQUIRED, '''
+class A {
+  test(int i) {}
+  main() {
+    test(1);
+  }
+}
+''');
+  }
+
   void test_addPartOfDirective() {
     String partCode = r'''
 // Comment first.
 // Comment second.
 
 class A {}
 ''';
     addSource('/part.dart', partCode);
     resolveTestUnit('''
 library my.lib;
@@ skipping 208 matching lines @@
   Test v = null;
 }
 
 class Test {
 }
 ''');
     _assertLinkedGroup(change.linkedEditGroups[0], ['Test v =', 'Test {']);
   }
 
   void test_createClass_inLibraryOfPrefix() {
-    // TODO
     String libCode = r'''
 library my.lib;
 
 class A {}
 ''';
     addSource('/lib.dart', libCode);
     resolveTestUnit('''
 import 'lib.dart' as lib;
 
 main() {
@@ skipping 3356 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;
   }
 }