tests/language_2/override/method_with_field_test.dart

// Copyright (c) 2012, 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.

// @dart = 2.9

import "package:expect/expect.dart";

// Test overriding a method with a field.

class Super {
  Super() : super();

  instanceMethod() => 42;
}

class Sub extends Super {
  Sub() : super();

  var instanceMethod = 87;
  //  ^^^^^^^^^^^^^^
  // [analyzer] COMPILE_TIME_ERROR.CONFLICTING_FIELD_AND_METHOD
  // [cfe] Can't declare a member that conflicts with an inherited one.

  superInstanceMethod() => super.instanceMethod();
}

main() {
  var s = new Sub();
  Super sup = s;
  Sub sub = s;
  print(s.instanceMethod);
  Expect.equals(42, s.superInstanceMethod());
  Expect.equals(42, sup.superInstanceMethod());
  //                    ^^^^^^^^^^^^^^^^^^^
  // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_METHOD
  // [cfe] The method 'superInstanceMethod' isn't defined for the class 'Super'.
  Expect.equals(42, sub.superInstanceMethod());
}