File size: 838 Bytes
1e94262 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | --TEST--
FFI 031: bit-fields packing
--EXTENSIONS--
ffi
--INI--
ffi.enable=1
--FILE--
<?php
function test_size($expected_size, $type) {
try {
$size = FFI::sizeof(FFI::cdef()->new($type));
if ($size !== $expected_size) {
echo "FAIL: sizeof($type) != $expected_size ($size)\n";
}
} catch (Throwable $e) {
echo $type . "=>" . get_class($e) . ": " . $e->getMessage()."\n";
}
}
test_size( 4, "struct {int a:2; int b:2;}");
test_size( 1, "struct __attribute__((packed)) {int a:2; int b:2;}");
test_size( 8, "struct {int a:2; unsigned long long :60; int b:2;}");
test_size( 9, "struct __attribute__((packed)) {int a:2; unsigned long long :64; int b:2;}");
test_size( 4, "union {int a:2; int b:8;}");
test_size( 1, "union __attribute__((packed)) {int a:2; int b:8;}");
?>
ok
--EXPECT--
ok
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