// 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 Assignable expressions are expressions that can appear on the
/// left hand side of an assignment.
/// assignableExpression:
///   primary (arguments* assignableSelector)+ |
///   super unconditionalAssignableSelector |
///   identifier
/// ;
/// unconditionalAssignableSelector:
///   '[' expression ']' |
///   '.' identifier
/// ;
/// assignableSelector:
///   unconditionalAssignableSelector |
///   '?.' identifier
/// ;
/// An assignable expression is either:
/// • An identifier.
/// • An invocation (possibly conditional) of a getter or list access operator
///   on an expression e.
/// • An invocation of a getter or list access operator on super.
/// @description Checks that a method invocation without assignableSelector
/// can't be used in the left hand side of an assignment.
/// @author msyabro


class A {
  int k = 1;
  int test() {return k;}
}

main() {
  A a = new A();
  try {
    a.test() = 1;
//  ^
// [analyzer] unspecified
// [cfe] unspecified
  } catch (e) {}
}
