#include <stdio.h>

 #include <string.h>

 
 #include "dc_syslog.h"
 #include "logging.h"
 

 int logged_priority = -1000;

 const char *logged_message = "";

 void dc_syslog(int priority, const char *message, ...) {

     logged_priority = priority;

     logged_message = message;

 }
 

 int close_log_invoked = 0;

 void dc_closelog(void) {

     close_log_invoked = 1;

 }
 
 int opened_facility = -1000;

 const char *opened_program_name = "";

 int opened_logopt = -1000;

 void dc_openlog(const char *ident, int logopt, int facility) {

     opened_facility = facility;

     opened_program_name = ident;

     opened_logopt = logopt;

 }
 
 

 #define check(assertion, msg) \
     if (!(assertion)) { \

       fprintf(stderr, "assertion failed: %s\n", msg); \

       return 0; \
     }
 

 #define checkint(expected, actual, name) \
     check(expected == actual, name " should be " #expected)
 
 #define checkstr(expected, actual, name) \
     check(!strcmp(actual, expected), name " should be '" expected "'")
 

 #define succeed() return 1
 

 int test_log_success() {

     // given
     opened_facility = -1000;

     opened_program_name = "";

     opened_logopt = -1000;

     logged_priority = -1000;

     logged_message = "";

     close_log_invoked = 0;

 
     // when
     log_success();
 
     // then

     checkint(LOG_AUTHPRIV, opened_facility, "facility");
     checkint(LOG_NOTICE, logged_priority, "priority");
     checkint(0, opened_logopt, "logopt");

     check(close_log_invoked, "log closed");

     checkstr("pam_dual_control", opened_program_name, "program name");
     checkstr("dual control succeeded", logged_message, "logged message");

 
     succeed();

 }
 
 
 int main(int numargs, char **args) {

     if(test_log_success()) {

         fprintf(stderr, "logging_test: success!\n");

         return 0;
     } else {
         return 1;
     }
 }