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74 lines
2.9 KiB
PHP
74 lines
2.9 KiB
PHP
--TEST--
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FFI 022: structure/union alignment
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--SKIPIF--
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<?php require_once('skipif.inc'); ?>
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--INI--
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ffi.enable=1
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--FILE--
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<?php
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function test_size($size, $type) {
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if (FFI::sizeof(FFI::new($type)) !== $size) {
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echo "FAIL: sizeof($type) != $size\n";
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}
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}
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function test_align($align, $type) {
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if (FFI::alignof(FFI::new($type)) !== $align) {
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echo "FAIL: alignof($type) != $align\n";
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}
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}
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test_size(8, "struct {uint32_t a; uint32_t b;}");
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test_size(3, "struct {char a; uint8_t b; uint8_t c;}");
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test_size(8, "struct {char a; uint32_t b;}");
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test_size(8, "struct {uint32_t a; char b;}");
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test_size(5, "struct __attribute__((packed)) {char a; uint32_t b;}");
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test_size(5, "struct __attribute__((packed)) {uint32_t a; char b;}");
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test_size(16, "struct {uint32_t a; uint32_t b;}[2]");
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test_size(6, "struct {char a; uint8_t b; uint8_t c;}[2]");
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test_size(16, "struct {char a; uint32_t b;}[2]");
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test_size(16, "struct {uint32_t a; char b;}[2]");
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test_size(10, "struct __attribute__((packed)) {char a; uint32_t b;}[2]");
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test_size(10, "struct __attribute__((packed)) {uint32_t a; char b;}[2]");
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test_align(4, "union {uint32_t a; uint32_t b;}");
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test_align(1, "union {char a; uint8_t b; uint8_t c;}");
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test_align(4, "union {char a; uint32_t b;}");
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test_align(4, "union {uint32_t a; char b;}");
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test_align(1, "union __attribute__((packed)) {char a; uint32_t b;}");
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test_align(1, "union __attribute__((packed)) {uint32_t a; char b;}");
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test_size(8, "struct {char a __attribute__((packed)); uint32_t b;}");
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test_size(5, "struct {char a; uint32_t b __attribute__((packed));}");
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test_size(5, "struct {uint32_t a __attribute__((packed)); char b;}");
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test_size(8, "struct {uint32_t a; char b __attribute__((packed));}");
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test_align(4, "struct {char a __attribute__((packed)); uint32_t b;}");
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test_align(1, "struct {char a; uint32_t b __attribute__((packed));}");
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test_align(1, "struct {uint32_t a __attribute__((packed)); char b;}");
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test_align(4, "struct {uint32_t a; char b __attribute__((packed));}");
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test_size(16, "struct __attribute__((aligned(16))) {char a; uint32_t b;}");
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test_align(16, "struct __attribute__((aligned(16))) {char a; uint32_t b;}");
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test_size(16, "struct {char a; uint32_t b;} __attribute__((aligned(16)))");
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test_align(16, "struct {char a; uint32_t b;} __attribute__((aligned(16)))");
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test_size(8, "struct {char a; uint32_t b __attribute__((aligned(1)));}");
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test_align(4, "struct {char a; uint32_t b __attribute__((aligned(1)));}");
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test_size(32, "struct {char a; uint32_t b __attribute__((aligned(16)));}");
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test_align(16, "struct {char a; uint32_t b __attribute__((aligned(16)));}");
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if (substr(PHP_OS, 0, 3) != 'WIN') {
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test_size(32, "struct {char a; uint32_t b __attribute__((aligned));}");
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test_align(16, "struct {char a; uint32_t b __attribute__((aligned));}");
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}
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test_size(16, "struct __declspec(align(16)) {char a; uint32_t b;}");
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test_align(16, "struct __declspec(align(16)) {char a; uint32_t b;}");
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?>
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ok
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--EXPECT--
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ok
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