Language/Expressions/Lookup/Method_Lookup/superclass_t09.dart

// Copyright (c) 2015, 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 The result of a lookup of method m in class C with respect to
/// library L is: If C declares a concrete instance method named m that is
/// accessible to L, then that method is the result of the lookup. Otherwise,
/// if C has a superclass S, then the result of the lookup is the result of
/// looking up m in S with respect to L. Otherwise, we say that the method
/// lookup has failed.
///
/// @description Checks that methods added to the superclass by mixin are found
/// during lookup
/// @author sgrekhov@unipro.ru

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

class A {
}

mixin class M {
  int m() => 1;
}

class B extends A with M {
}

class C extends B {
}

main() {
  C c = new C();
  Expect.equals(1, c.m());
}