mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-26 11:46:54 +00:00
35 lines
799 B
C++
35 lines
799 B
C++
#include <cxxtest/TestSuite.h>
|
|
|
|
#include "common/scummsys.h"
|
|
#include <stddef.h>
|
|
|
|
#include <common/pack-start.h> // START STRUCT PACKING
|
|
|
|
struct TestStruct {
|
|
uint32 x;
|
|
byte y;
|
|
uint16 z;
|
|
uint32 a;
|
|
byte b;
|
|
} PACKED_STRUCT;
|
|
|
|
#include <common/pack-end.h> // END STRUCT PACKING
|
|
|
|
#define OFFS(type,item) (((ptrdiff_t)(&((type*)42)->type::item))-42)
|
|
|
|
class PackTestSuite : public CxxTest::TestSuite
|
|
{
|
|
public:
|
|
void test_packing() {
|
|
TS_ASSERT_EQUALS(sizeof(TestStruct), size_t(4+1+2+4+1));
|
|
}
|
|
|
|
void test_offsets() {
|
|
TS_ASSERT_EQUALS(OFFS(TestStruct, x), (ptrdiff_t)0);
|
|
TS_ASSERT_EQUALS(OFFS(TestStruct, y), (ptrdiff_t)4);
|
|
TS_ASSERT_EQUALS(OFFS(TestStruct, z), (ptrdiff_t)5);
|
|
TS_ASSERT_EQUALS(OFFS(TestStruct, a), (ptrdiff_t)7);
|
|
TS_ASSERT_EQUALS(OFFS(TestStruct, b), (ptrdiff_t)11);
|
|
}
|
|
};
|