// Copyright (c) 2018, 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.

/// @assertion We say that a type T0 is a subtype of a type T1 (written T0 <: T1)
/// when:
/// Right Top: T1 is a top type (i.e. Object?, dynamic, or void)
/// @description Check that if type T1 is an Object then T0 is a subtype of a
/// type T1
/// @author sgrekhov@unipro.ru
///
/// @description Check that if type T0 is a subtype of a type T1, then instance
/// of T0 can be used as a return value of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from right_top_A01.dart and 
/// return_value_x01.dart.
/// Don't modify it. If you want to change this test, change one of the files 
/// above and then run generator.dart to regenerate the tests.


import '../../utils/common.dart';

class T0 {}

T0 t0Instance = new T0();
Object? t1Instance = new Object();

const t1Default = null;


Object? returnValueFunc() => forgetType(t0Instance);

class ReturnValueTest {
  static Object? staticTestMethod() => forgetType(t0Instance);

  Object? testMethod() => forgetType(t0Instance);

  Object? get testGetter => forgetType(t0Instance);
}

class ReturnValueGen<X> {
  X testMethod() => forgetType(t0Instance);
  X get testGetter => forgetType(t0Instance);
}


main() {
  Object? returnValueLocalFunc() => forgetType(t0Instance);

  returnValueFunc();
  returnValueLocalFunc();

  ReturnValueTest.staticTestMethod();

  new ReturnValueTest().testMethod();
  new ReturnValueTest().testGetter;

  // Test type parameters

  //# <-- NotGenericFunctionType
  new ReturnValueGen<Object?>().testMethod();
  new ReturnValueGen<Object?>().testGetter;
  //# -->
}