// Copyright (c) 2021, 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 requirement that the condition in a boolean conditional
/// control expression (e.g. the a conditional statement, conditional element,
/// while loop, etc) be assignable to bool is unchanged from pre null-safe Dart.
///
/// @description Checks that the static type of the condition must be assignable
/// to bool
///
/// @author sgrekhov@unipro.ru

Null foo() => null;
void bar() {}

main() {
  int i = 0;
  if (i) {}
//    ^
// [analyzer] unspecified
// [cfe] unspecified

  if ("true") {}
//    ^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  if (bar()) {}
//    ^^^
// [analyzer] unspecified
// [cfe] unspecified

  if (foo()) {}
//    ^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  Object? o = true;
  if (o) {}
//    ^
// [analyzer] unspecified
// [cfe] unspecified
}