/*
 * Check: a unit test framework for C
 * Copyright (C) 2001, 2002 Arien Malec
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#ifndef CHECK_IMPL_H
#define CHECK_IMPL_H

/* This header should be included by any module that needs
   to know the implementation details of the check structures
   Include stdio.h, time.h, & list.h before this header
*/

#define US_PER_SEC 1000000
#define NANOS_PER_SECONDS 1000000000

/** calculate the difference in useconds out of two "struct timespec"s */
#define DIFF_IN_USEC(begin, end) \
  ( (((end).tv_sec - (begin).tv_sec) * US_PER_SEC) + \
    ((end).tv_nsec/1000) - ((begin).tv_nsec/1000) )

typedef struct TF
{
  TFun fn;
  int loop_start;
  int loop_end;
  const char *name;
  int signal;
  signed char allowed_exit_value;
} TF;

struct Suite
{
  const char *name;
  List *tclst;                  /* List of test cases */
};

typedef struct Fixture
{
  int ischecked;
  SFun fun;
} Fixture;

struct TCase
{
  const char *name;
  struct timespec timeout;
  List *tflst;                  /* list of test functions */
  List *unch_sflst;
  List *unch_tflst;
  List *ch_sflst;
  List *ch_tflst;
  List *tags;
};

typedef struct TestStats
{
  int n_checked;
  int n_failed;
  int n_errors;
} TestStats;

struct TestResult
{
  enum test_result rtype;       /* Type of result */
  enum ck_result_ctx ctx;       /* When the result occurred */
  char *file;                   /* File where the test occured */
  int line;                     /* Line number where the test occurred */
  int iter;                     /* The iteration value for looping tests */
  int duration;                 /* duration of this test in microseconds */
  const char *tcname;           /* Test case that generated the result */
  const char *tname;            /* Test that generated the result */
  char *msg;                    /* Failure message */
};

TestResult *tr_create (void);
void tr_reset (TestResult * tr);
void tr_free (TestResult * tr);

enum cl_event
{
  CLINITLOG_SR,                 /* Initialize log file */
  CLENDLOG_SR,                  /* Tests are complete */
  CLSTART_SR,                   /* Suite runner start */
  CLSTART_S,                    /* Suite start */
  CLEND_SR,                     /* Suite runner end */
  CLEND_S,                      /* Suite end */
  CLSTART_T,                    /* A test case is about to run */
  CLEND_T                       /* Test case end */
};

typedef void (*LFun) (SRunner *, FILE *, enum print_output,
    void *, enum cl_event);

typedef struct Log
{
  FILE *lfile;
  LFun lfun;
  int close;
  enum print_output mode;
} Log;

struct SRunner
{
  List *slst;                   /* List of Suite objects */
  TestStats *stats;             /* Run statistics */
  List *resultlst;              /* List of unit test results */
  const char *log_fname;        /* name of log file */
  const char *xml_fname;        /* name of xml output file */
  const char *tap_fname;        /* name of tap output file */
  List *loglst;                 /* list of Log objects */
  enum fork_status fstat;       /* controls if suites are forked or not
                                   NOTE: Don't use this value directly,
                                   instead use srunner_fork_status */
};


void set_fork_status (enum fork_status fstat);
enum fork_status cur_fork_status (void);

clockid_t check_get_clockid (void);

unsigned int tcase_matching_tag (TCase * tc, List * check_for);
List *tag_string_to_list (const char *tags_string);

#endif /* CHECK_IMPL_H */