// 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 It's a compile-time error if an instance method in a mixin body
/// has a super-access (super.foo, super.foo(), super + bar, etc.) which would
/// not be a valid invocation if super was replaced by an expression with static
/// type A$super.
///
/// @description Checks that it is a compile error if an instance method in a
/// mixin body has a super-access (super.foo, super.foo(), super + bar, etc.)
/// which would not be a valid invocation if super was replaced by an expression
/// with static type A$super. Test that noSuchMethod has no effect in this case
/// @author sgrekhov@unipro.ru

abstract class B {
  int foo(int x);
  noSuchMethod(Invocation i) {
    return "";
  }
}

mixin M on B {
  void bar() {
    super.foo("test");
//            ^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
  }

  noSuchMethod(Invocation i) {
    return "";
  }
}

class C implements B {
  int foo(int x) => x;
  noSuchMethod(Invocation i) {
    return "";
  }
}

class MA extends C with M {
  noSuchMethod(Invocation i) {
    return "";
  }
}

main() {
  new MA().bar();
}
