xref: /PHP-8.3/ext/ffi/tests/045.phpt (revision 4acf0084) 
1--TEST--
2FFI 045: FFI::isNull()
3--EXTENSIONS--
4ffi
5--INI--
6ffi.enable=1
7--FILE--
8<?php
9var_dump(FFI::isNull(FFI::cdef()->new("int*")));
10$i = FFI::cdef()->new("int");
11var_dump(FFI::isNull(FFI::addr($i)));
12try {
13    var_dump(FFI::isNull(null));
14} catch (Throwable $e) {
15    echo get_class($e) . ": " . $e->getMessage()."\n";
16}
17try {
18    var_dump(FFI::isNull(FFI::cdef()->new("int[0]")));
19} catch (Throwable $e) {
20    echo get_class($e) . ": " . $e->getMessage()."\n";
21}
22?>
23--EXPECT--
24bool(true)
25bool(false)
26TypeError: FFI::isNull(): Argument #1 ($ptr) must be of type FFI\CData, null given
27FFI\Exception: Cannot instantiate FFI\CData of zero size
28