CFIX_ASSERT_STATUS may be used to check whether an expression yields a specific NTSTATUS. This macro is intended for kernel mode development.
void CFIX_ASSERT_STATUS( __in NTSTATUS ExpectedStatus, __in NTSTATUS Expression );
CFIX_ASSERT_STATUS( STATUS_SUCCESS, KeWaitForSingleObject( Thread, Executive, KernelMode, FALSE, NULL ) );
Table 7.6.