Language/Expressions/Unary_Expressions/super_equivalent_t01.dart

// Copyright (c) 2011, 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

/// @assertion An expression of the form op super is equivalent to the method
/// invocation super.op().
/// @description Checks that an expression of the form ~ super is equivalent to
/// the method invocation super.operator~().
/// @author msyabro
/// @reviewer kaigorodov
/// @reviewer rodionov

import '../../../Utils/expect.dart';

class TestException {}

class S {
  operator ~() {
    throw new TestException();
  }
}

class A extends S{
  test() {
    try {
      ~super;
      Expect.fail("Operator ~ was not called");
    } on TestException catch (e) {}
  }
}

main() {
  A a = new A();
  a.test();
}