TEST_F(DLError, buffer_to_small_returned)
{
Pods p;
unsigned char packed[1024];
EXPECT_DL_ERR_EQ( DL_ERROR_OK, dl_instance_store( Ctx, Pods::TYPE_ID, &p, packed, 0, 0x0 ) ); // pack to 0-size out_buffer is ok, calculating size
EXPECT_DL_ERR_EQ( DL_ERROR_BUFFER_TO_SMALL, dl_instance_store( Ctx, Pods::TYPE_ID, &p, packed, 10, 0x0 ) ); // test buffer smaller than header
EXPECT_DL_ERR_EQ( DL_ERROR_BUFFER_TO_SMALL, dl_instance_store( Ctx, Pods::TYPE_ID, &p, packed, 21, 0x0 ) ); // test buffer to small
}
TEST_F(DLError, version_mismatch_returned)
{
unused u;
size_t dummy;
unsigned char packed[sizeof(unused) * 10]; // large enough buffer!
unsigned char swaped[sizeof(unused) * 10]; // large enough buffer!
unsigned char bus_buffer[sizeof(unused) * 10]; // large enough buffer!
char bus_text[sizeof(unused) * 10]; // large enough buffer!
dl_endian_t other_endian = DL_ENDIAN_HOST == DL_ENDIAN_LITTLE ? DL_ENDIAN_BIG : DL_ENDIAN_LITTLE;
EXPECT_DL_ERR_OK( dl_instance_store( Ctx, unused::TYPE_ID, &u, packed, DL_ARRAY_LENGTH(packed), 0x0 ) );
EXPECT_DL_ERR_OK( dl_convert( Ctx, unused::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), swaped, DL_ARRAY_LENGTH(swaped), other_endian, sizeof(void*), 0x0 ) );
// testing that errors are returned correctly by modding data.
union
{
unsigned int* instance_version;
unsigned char* instance;
} conv;
conv.instance = packed;
unsigned int* instance_version;
instance_version = conv.instance_version + 1;
EXPECT_EQ(1u, *instance_version);
*instance_version = 0xFFFFFFFF;
conv.instance = swaped;
instance_version = conv.instance_version + 1;
EXPECT_EQ(0x01000000u, *instance_version);
*instance_version = 0xFFFFFFFF;
// test all functions in...
#define EXPECT_DL_ERR_VERSION_MISMATCH( err ) EXPECT_DL_ERR_EQ( DL_ERROR_VERSION_MISMATCH, err )
Pods p;
// dl.h
EXPECT_DL_ERR_VERSION_MISMATCH( dl_instance_load( Ctx, unused::TYPE_ID, &p, sizeof(Pods), packed, DL_ARRAY_LENGTH(packed), 0x0 ) );
// dl_convert.h
EXPECT_DL_ERR_VERSION_MISMATCH( dl_convert( Ctx, unused::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), bus_buffer, DL_ARRAY_LENGTH(bus_buffer), other_endian, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_VERSION_MISMATCH( dl_convert( Ctx, unused::TYPE_ID, swaped, DL_ARRAY_LENGTH(swaped), bus_buffer, DL_ARRAY_LENGTH(bus_buffer), DL_ENDIAN_HOST, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_VERSION_MISMATCH( dl_convert_inplace( Ctx, unused::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), other_endian, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_VERSION_MISMATCH( dl_convert_inplace( Ctx, unused::TYPE_ID, swaped, DL_ARRAY_LENGTH(swaped), DL_ENDIAN_HOST, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_VERSION_MISMATCH( dl_convert_calc_size( Ctx, unused::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), sizeof(void*), &dummy ) );
EXPECT_DL_ERR_VERSION_MISMATCH( dl_convert_calc_size( Ctx, unused::TYPE_ID, swaped, DL_ARRAY_LENGTH(swaped), sizeof(void*), &dummy ) );
// dl_txt.h
EXPECT_DL_ERR_VERSION_MISMATCH( dl_txt_unpack( Ctx, unused::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), bus_text, DL_ARRAY_LENGTH(bus_text), 0x0 ) );
EXPECT_DL_ERR_VERSION_MISMATCH( dl_txt_unpack_calc_size( Ctx, unused::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), &dummy ) );
#undef EXPECT_DL_ERR_VERSION_MISMATCH
}
void inplace_load_test::do_it( dl_ctx_t dl_ctx, dl_typeid_t type,
unsigned char* store_buffer, size_t store_size,
unsigned char* out_buffer, size_t* out_size )
{
// copy stored instance into temp-buffer
unsigned char inplace_buffer[4096];
memset( inplace_buffer, 0xFE, DL_ARRAY_LENGTH(inplace_buffer) );
memcpy( inplace_buffer, store_buffer, store_size );
// load inplace
void* loaded_instance = 0x0;
size_t consumed = 0;
EXPECT_DL_ERR_OK( dl_instance_load_inplace( dl_ctx, type, inplace_buffer, store_size, &loaded_instance, &consumed ));
EXPECT_EQ( store_size, consumed );
EXPECT_EQ( (unsigned char)0xFE, (unsigned char)inplace_buffer[store_size + 1] ); // no overwrite by inplace load!
// store to out-buffer
EXPECT_DL_ERR_OK( dl_instance_calc_size( dl_ctx, type, loaded_instance, out_size ) );
EXPECT_DL_ERR_OK( dl_instance_store( dl_ctx, type, loaded_instance, out_buffer, *out_size, 0x0 ) );
}
TEST_F(DLError, type_mismatch_returned)
{
// testing that DL_ERROR_TYPE_MISMATCH is returned if provided type is not matching type stored in instance
unused u;
size_t dummy;
unsigned char packed[sizeof(unused) * 10]; // large enough buffer!
unsigned char swaped[sizeof(unused) * 10]; // large enough buffer!
unsigned char bus_buffer[sizeof(unused) * 10]; // large enough buffer!
char bus_text[sizeof(unused) * 10]; // large enough buffer!
dl_endian_t other_endian = DL_ENDIAN_HOST == DL_ENDIAN_LITTLE ? DL_ENDIAN_BIG : DL_ENDIAN_LITTLE;
EXPECT_DL_ERR_OK( dl_instance_store( Ctx, unused::TYPE_ID, &u, packed, DL_ARRAY_LENGTH(packed), 0x0 ) );
EXPECT_DL_ERR_OK( dl_convert( Ctx, unused::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), swaped, DL_ARRAY_LENGTH(swaped), other_endian, sizeof(void*), 0x0 ) );
// test all functions in...
#define EXPECT_DL_ERR_TYPE_MISMATCH( err ) EXPECT_DL_ERR_EQ( DL_ERROR_TYPE_MISMATCH, err )
Pods p;
// dl.h
EXPECT_DL_ERR_TYPE_MISMATCH( dl_instance_load( Ctx, Pods::TYPE_ID, &p, sizeof(Pods), packed, DL_ARRAY_LENGTH(packed), 0x0 ) );
// dl_convert.h
EXPECT_DL_ERR_TYPE_MISMATCH( dl_convert( Ctx, Pods::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), bus_buffer, DL_ARRAY_LENGTH(bus_buffer), other_endian, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_TYPE_MISMATCH( dl_convert( Ctx, Pods::TYPE_ID, swaped, DL_ARRAY_LENGTH(swaped), bus_buffer, DL_ARRAY_LENGTH(bus_buffer), DL_ENDIAN_HOST, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_TYPE_MISMATCH( dl_convert_inplace( Ctx, Pods::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), other_endian, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_TYPE_MISMATCH( dl_convert_inplace( Ctx, Pods::TYPE_ID, swaped, DL_ARRAY_LENGTH(swaped), DL_ENDIAN_HOST, sizeof(void*), 0x0 ) );
EXPECT_DL_ERR_TYPE_MISMATCH( dl_convert_calc_size( Ctx, Pods::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), sizeof(void*), &dummy ) );
EXPECT_DL_ERR_TYPE_MISMATCH( dl_convert_calc_size( Ctx, Pods::TYPE_ID, swaped, DL_ARRAY_LENGTH(swaped), sizeof(void*), &dummy ) );
// dl_txt.h
EXPECT_DL_ERR_TYPE_MISMATCH( dl_txt_unpack( Ctx, Pods::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), bus_text, DL_ARRAY_LENGTH(bus_text), 0x0 ) );
EXPECT_DL_ERR_TYPE_MISMATCH( dl_txt_unpack_calc_size( Ctx, Pods::TYPE_ID, packed, DL_ARRAY_LENGTH(packed), &dummy ) );
#undef EXPECT_DL_ERR_TYPE_MISMATCH
}
dl_error_t dl_instance_calc_size( dl_ctx_t dl_ctx, dl_typeid_t type, void* instance, size_t* out_size )
{
return dl_instance_store( dl_ctx, type, instance, 0x0, 0, out_size );
}
