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/* SPDX-License-Identifier: GPL-2.0 */
/*
* kselftest.h: low-level kselftest framework to include from
* selftest programs. When possible, please use
* kselftest_harness.h instead.
*
* Copyright (c) 2014 Shuah Khan <shuahkh@osg.samsung.com>
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
*
* Using this API consists of first counting how many tests your code
* has to run, and then starting up the reporting:
*
* ksft_print_header();
* ksft_set_plan(total_number_of_tests);
*
* For each test, report any progress, debugging, etc with:
*
* ksft_print_msg(fmt, ...);
*
* and finally report the pass/fail/skip/xfail state of the test with one of:
*
* ksft_test_result(condition, fmt, ...);
* ksft_test_result_pass(fmt, ...);
* ksft_test_result_fail(fmt, ...);
* ksft_test_result_skip(fmt, ...);
* ksft_test_result_xfail(fmt, ...);
* ksft_test_result_error(fmt, ...);
*
* When all tests are finished, clean up and exit the program with one of:
*
* ksft_exit(condition);
* ksft_exit_pass();
* ksft_exit_fail();
*
* If the program wants to report details on why the entire program has
* failed, it can instead exit with a message (this is usually done when
* the program is aborting before finishing all tests):
*
* ksft_exit_fail_msg(fmt, ...);
*
*/
#ifndef __KSELFTEST_H
#define __KSELFTEST_H
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
#include <stdio.h>
/* define kselftest exit codes */
#define KSFT_PASS 0
#define KSFT_FAIL 1
#define KSFT_XFAIL 2
#define KSFT_XPASS 3
#define KSFT_SKIP 4
/* counters */
struct ksft_count {
unsigned int ksft_pass;
unsigned int ksft_fail;
unsigned int ksft_xfail;
unsigned int ksft_xpass;
unsigned int ksft_xskip;
unsigned int ksft_error;
};
static struct ksft_count ksft_cnt;
static unsigned int ksft_plan;
static inline unsigned int ksft_test_num(void)
{
return ksft_cnt.ksft_pass + ksft_cnt.ksft_fail +
ksft_cnt.ksft_xfail + ksft_cnt.ksft_xpass +
ksft_cnt.ksft_xskip + ksft_cnt.ksft_error;
}
static inline void ksft_inc_pass_cnt(void) { ksft_cnt.ksft_pass++; }
static inline void ksft_inc_fail_cnt(void) { ksft_cnt.ksft_fail++; }
static inline void ksft_inc_xfail_cnt(void) { ksft_cnt.ksft_xfail++; }
static inline void ksft_inc_xpass_cnt(void) { ksft_cnt.ksft_xpass++; }
static inline void ksft_inc_xskip_cnt(void) { ksft_cnt.ksft_xskip++; }
static inline void ksft_inc_error_cnt(void) { ksft_cnt.ksft_error++; }
static inline int ksft_get_pass_cnt(void) { return ksft_cnt.ksft_pass; }
static inline int ksft_get_fail_cnt(void) { return ksft_cnt.ksft_fail; }
static inline int ksft_get_xfail_cnt(void) { return ksft_cnt.ksft_xfail; }
static inline int ksft_get_xpass_cnt(void) { return ksft_cnt.ksft_xpass; }
static inline int ksft_get_xskip_cnt(void) { return ksft_cnt.ksft_xskip; }
static inline int ksft_get_error_cnt(void) { return ksft_cnt.ksft_error; }
static inline void ksft_print_header(void)
{
if (!(getenv("KSFT_TAP_LEVEL")))
printf("TAP version 13\n");
}
static inline void ksft_set_plan(unsigned int plan)
{
ksft_plan = plan;
printf("1..%d\n", ksft_plan);
}
static inline void ksft_print_cnts(void)
{
if (ksft_plan != ksft_test_num())
printf("# Planned tests != run tests (%u != %u)\n",
ksft_plan, ksft_test_num());
printf("# Totals: pass:%d fail:%d xfail:%d xpass:%d skip:%d error:%d\n",
ksft_cnt.ksft_pass, ksft_cnt.ksft_fail,
ksft_cnt.ksft_xfail, ksft_cnt.ksft_xpass,
ksft_cnt.ksft_xskip, ksft_cnt.ksft_error);
}
static inline void ksft_print_msg(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
va_start(args, msg);
printf("# ");
errno = saved_errno;
vprintf(msg, args);
va_end(args);
}
static inline void ksft_test_result_pass(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
ksft_cnt.ksft_pass++;
va_start(args, msg);
printf("ok %d ", ksft_test_num());
errno = saved_errno;
vprintf(msg, args);
va_end(args);
}
static inline void ksft_test_result_fail(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
ksft_cnt.ksft_fail++;
va_start(args, msg);
printf("not ok %d ", ksft_test_num());
errno = saved_errno;
vprintf(msg, args);
va_end(args);
}
/**
* ksft_test_result() - Report test success based on truth of condition
*
* @condition: if true, report test success, otherwise failure.
*/
#define ksft_test_result(condition, fmt, ...) do { \
if (!!(condition)) \
ksft_test_result_pass(fmt, ##__VA_ARGS__);\
else \
ksft_test_result_fail(fmt, ##__VA_ARGS__);\
} while (0)
static inline void ksft_test_result_xfail(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
ksft_cnt.ksft_xfail++;
va_start(args, msg);
printf("ok %d # XFAIL ", ksft_test_num());
errno = saved_errno;
vprintf(msg, args);
va_end(args);
}
static inline void ksft_test_result_skip(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
ksft_cnt.ksft_xskip++;
va_start(args, msg);
printf("ok %d # SKIP ", ksft_test_num());
errno = saved_errno;
vprintf(msg, args);
va_end(args);
}
/* TODO: how does "error" differ from "fail" or "skip"? */
static inline void ksft_test_result_error(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
ksft_cnt.ksft_error++;
va_start(args, msg);
printf("not ok %d # error ", ksft_test_num());
errno = saved_errno;
vprintf(msg, args);
va_end(args);
}
static inline int ksft_exit_pass(void)
{
ksft_print_cnts();
exit(KSFT_PASS);
}
static inline int ksft_exit_fail(void)
{
ksft_print_cnts();
exit(KSFT_FAIL);
}
/**
* ksft_exit() - Exit selftest based on truth of condition
*
* @condition: if true, exit self test with success, otherwise fail.
*/
#define ksft_exit(condition) do { \
if (!!(condition)) \
ksft_exit_pass(); \
else \
ksft_exit_fail(); \
} while (0)
static inline int ksft_exit_fail_msg(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
va_start(args, msg);
printf("Bail out! ");
errno = saved_errno;
vprintf(msg, args);
va_end(args);
ksft_print_cnts();
exit(KSFT_FAIL);
}
static inline int ksft_exit_xfail(void)
{
ksft_print_cnts();
exit(KSFT_XFAIL);
}
static inline int ksft_exit_xpass(void)
{
ksft_print_cnts();
exit(KSFT_XPASS);
}
static inline int ksft_exit_skip(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
va_start(args, msg);
/*
* FIXME: several tests misuse ksft_exit_skip so produce
* something sensible if some tests have already been run
* or a plan has been printed. Those tests should use
* ksft_test_result_skip or ksft_exit_fail_msg instead.
*/
if (ksft_plan || ksft_test_num()) {
ksft_cnt.ksft_xskip++;
printf("ok %d # SKIP ", 1 + ksft_test_num());
} else {
printf("1..0 # SKIP ");
}
if (msg) {
errno = saved_errno;
vprintf(msg, args);
va_end(args);
}
if (ksft_test_num())
ksft_print_cnts();
exit(KSFT_SKIP);
}
#endif /* __KSELFTEST_H */
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