// 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.

/// @assertion An unqualified function invocation i has the form
/// id(a1, ..., an, xn+1: an+1, ..., xn+k: an+k), where id is an identifier.
/// If there exists a lexically visible declaration named id, let fid be the
/// innermost such declaration. Then:
/// . . .
/// Otherwise, if i occurs inside a top level or static function (be it function,
/// method, getter, or setter) or variable initializer, evaluation of i causes a
/// NoSuchMethodError to be thrown.
/// . . .
/// @description Checks that if there is no declaration and i occurs in static
/// function (of any kind), or static variable initializer, evaluation of i
/// causes a NoSuchMethodError to be thrown.
/// @author ilya

class C {
  static set test (_) => undeclared();
//                       ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  C.test = 1;
}
