Issue 23081. Fix for inlining into IndexExpression index.

pkg/analysis_server/test/services/refactoring/inline_local_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.refactoring.inline_local;
 
 import 'package:analysis_server/src/protocol.dart' hide Element;
 import 'package:analysis_server/src/services/correction/status.dart';
 import 'package:analysis_server/src/services/refactoring/inline_local.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring.dart';
@@ skipping 516 matching lines @@
     _createRefactoring('test =');
     // validate change
     return assertSuccessfulRefactoring('''
 class A {}
 main() {
   var list = [new A()];
 }
 ''');
   }
 
+  test_OK_parenthesis_intoIndexExpression_index() {
+    indexTestUnit('''
+main() {
+  var items = [];
+  var test = 1 + 2;
+  items[test] * 5;
+}
+''');
+    _createRefactoring('test =');
+    // validate change
+    return assertSuccessfulRefactoring('''
+main() {
+  var items = [];
+  items[1 + 2] * 5;
+}
+''');
+  }
+
+  test_OK_parenthesis_intoParenthesizedExpression() {
+    indexTestUnit('''
+f(m, x, y) {
+  int test = x as int;
+  m[test] = y;
+  return m[test];
+}
+''');
+    _createRefactoring('test =');
+    // validate change
+    return assertSuccessfulRefactoring('''
+f(m, x, y) {
+  m[x as int] = y;
+  return m[x as int];
+}
+''');
+  }
+
   test_OK_parenthesis_negate_intoNegate() {
     indexTestUnit('''
 main() {
   var a = 1;
   var test = -a;
   var b = -test;
 }
 ''');
     _createRefactoring('test =');
     // validate change
@@ skipping 45 matching lines @@
     assertRefactoringStatus(status, RefactoringProblemSeverity.FATAL,
         expectedMessage: 'Local variable declaration or reference must be '
         'selected to activate this refactoring.');
   }
 
   void _createRefactoring(String search) {
     int offset = findOffset(search);
     refactoring = new InlineLocalRefactoring(searchEngine, testUnit, offset);
   }
 }