tap.h

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#ifndef LELY_TAP_TAP_H_
#define LELY_TAP_TAP_H_

#include <lely/features.h>

#ifdef __GNUC__
#pragma GCC diagnostic ignored "-Wformat-zero-length"
#pragma GCC diagnostic ignored "-Wformat-extra-args"
#endif

#define tap_plan(...) tap_plan_(__VA_ARGS__, "")
#define tap_plan_(n, ...) tap_plan_impl(n, "" __VA_ARGS__)

#define tap_test(...) tap_test_(__VA_ARGS__, "")
#define tap_test_(expr, ...) \
        tap_test_impl(!!(expr), #expr, __FILE__, __LINE__, "" __VA_ARGS__)

#define tap_pass(...) tap_test_impl(1, "", __FILE__, __LINE__, "" __VA_ARGS__)

#define tap_fail(...) tap_test_impl(0, "", __FILE__, __LINE__, "" __VA_ARGS__)

#define tap_todo(...) tap_todo_(__VA_ARGS__, "")
#define tap_todo_(expr, ...) \
        tap_test_impl(!!(expr), #expr, __FILE__, __LINE__, \
                        " # TODO " __VA_ARGS__)

#define tap_skip(...) tap_skip_(__VA_ARGS__, "")
#define tap_skip_(expr, ...) tap_pass(" # SKIP " __VA_ARGS__)

#define tap_diag(...) tap_diag_impl("# " __VA_ARGS__)

#define tap_abort(...) tap_abort_impl("" __VA_ARGS__)

// clang-format off
#define tap_assert(expr) \
        ((expr) ? (void)0 \
                : tap_abort("%s:%d: Assertion `%s' failed.", __FILE__, \
                                __LINE__, #expr))
// clang-format on

#ifdef __cplusplus
extern "C" {
#endif

void tap_plan_impl(int n, const char *format, ...) format_printf__(2, 3);
int tap_test_impl(int test, const char *expr, const char *file, int line,
                const char *format, ...) format_printf__(5, 6);
void tap_diag_impl(const char *format, ...) format_printf__(1, 2);
_Noreturn void tap_abort_impl(const char *format, ...) format_printf__(1, 2);

#ifdef __cplusplus
}
#endif

#endif // !LELY_TAP_TAP_H_