blob: ef30d45894c35b56bae387e3b20abfccb81c142d [file] [log] [blame]
* 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 It is not an error to call or tear-off a method, setter, or
* getter, or to read or write a field, on a receiver of static type Never.
* Implementations that provide feedback about dead or unreachable code are
* encouraged to indicate that any arguments to the invocation are unreachable.
* @description Check that it is a warning to call a method, setter, or
* getter on a receiver of static type Never via a null aware operator. Test
* type aliases
* @author
* @issue 39866
* @static-warning
// SharedOptions=--enable-experiment=nonfunction-type-aliases
// Requirements=nnbd-strong
typedef Neverland = Never;
void test(var x) {
if (x is Neverland) {
x?.toString(); /// static type warning
x?.runtimeType; /// static type warning
x?.s = 1; /// static type warning
x?..toString(); /// static type warning
x?..runtimeType; /// static type warning
x?..s = 1; /// static type warning
main() {