LanguageFeatures/nnbd/expression_typing_A02_t01.dart

/*
 * Copyright (c) 2020, 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 Calling a method (including an operator) or getter on a receiver
 * of static type Never is treated by static analysis as producing a result of
 * type Never.
 *
 * @description Checks that calling a method (including an operator) or getter
 * on a receiver of static type Never is treated by static analysis as producing
 * a result of type Never
 * @issue 41273
 * @author sgrekhov@unipro.ru
 */
// Requirements=nnbd-strong

void test(var x) {
  if (x is Never) {
    Never n1 = x.toString();
    Never n2 = x.runtimeType;
    Never n3 = x.someGetter;
    Never n4 = x.someMethod();
    Never n5 = x + x;
  }
}

main() {
  test(null);
}