#pragma once
#include <stdio.h>
#include <stdlib.h>

static int _t_pass = 0, _t_fail = 0;
static const char *_t_current = "";

#define T_RUN(fn) do { \
    _t_current = #fn; \
    int _before = _t_fail; \
    fn(); \
    fprintf(stderr, "  %-48s %s\n", #fn, (_t_fail == _before) ? "ok" : "FAIL"); \
} while(0)

#define T_CHECK(expr) do { \
    if (expr) { _t_pass++; } \
    else { _t_fail++; \
           fprintf(stderr, "    check failed: %s  (%s:%d)\n", #expr, __FILE__, __LINE__); } \
} while(0)

#define T_EQ(a,b)  T_CHECK((a) == (b))
#define T_NEQ(a,b) T_CHECK((a) != (b))
#define T_GE(a,b)  T_CHECK((a) >= (b))
#define T_LE(a,b)  T_CHECK((a) <= (b))
#define T_GT(a,b)  T_CHECK((a) >  (b))

#define T_SUMMARY() do { \
    fprintf(stderr, "\n%d passed  %d failed\n", _t_pass, _t_fail); \
    return _t_fail ? 1 : 0; \
} while(0)

#define T_SECTION(name) fprintf(stderr, "\n%s\n", name)

#define T_SKIP(reason) do { \
    fprintf(stderr, "  SKIP: %s\n", reason); \
    return 0; \
} while(0)