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