/*
 * 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 The [??] operator only evaluates its second operand if the first
 * evaluates to [null], and the second operand must be a potentially constant
 * expression.
 * @description Checks that compile-time exception is not thrown if the first
 * operand of [??] operator is not [null] regardless of the actual type of the
 * second operand.
 * @static-warning
 * @author iarkh@unipro.ru
 */

const int? i = 1;
const dynamic d1 = 11;
const String? d2 = "check me here";

main() {
  const String s1 = "" ?? (124 as String);
  const int i1 = i ?? ("" as int);
  const String s2 = d2 ?? d1;
  const int i2 = d1 ?? d2;
}