LanguageFeatures/nnbd/late_A08_t02.dart

// Copyright (c) 2019, 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 A toplevel or static variable with an initializer is evaluated as
/// if it was marked late. Note that this is a change from pre-NNBD semantics in
/// that:
///  - Throwing an exception during initializer evaluation no longer sets the
///    variable to null
///  - Reading the variable during initializer evaluation is no longer checked
///    for, and does not cause an error.
///
/// @description Check that a toplevel or static variable with an initializer is
/// evaluated as if it was marked late.
/// @author sgrekhov@unipro.ru

import "../../Utils/expect.dart";

String _log = "";

String init(String val) {
  _log += "init('$val')";
  return val;
}

void clear() {
  _log = "";
}

class C {
  static final String? s1 = init("No");
  static String? s2 = init("woman");
}

final String? g1 = init("no");
String? g2 = init("cry");

main() {
  Expect.equals("", _log);
  Expect.equals("No", C.s1);
  Expect.equals("init('No')", _log);
  clear();

  Expect.equals("woman", C.s2);
  Expect.equals("init('woman')", _log);
  clear();

  Expect.equals("no", g1);
  Expect.equals("init('no')", _log);
  clear();

  Expect.equals("cry", g2);
  Expect.equals("init('cry')", _log);
}