LXR linux/tools/testing/selftests/kvm/include/test

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * tools/testing/selftests/kvm/include/test_util.h
   4 *
   5 * Copyright (C) 2018, Google LLC.
   6 */
   7
   8#ifndef SELFTEST_KVM_TEST_UTIL_H
   9#define SELFTEST_KVM_TEST_UTIL_H
  10
  11#include <stdlib.h>
  12#include <stdarg.h>
  13#include <stdbool.h>
  14#include <stdio.h>
  15#include <string.h>
  16#include <inttypes.h>
  17#include <errno.h>
  18#include <unistd.h>
  19#include <fcntl.h>
  20#include "kselftest.h"
  21
  22static inline int _no_printf(const char *format, ...) { return 0; }
  23
  24#ifdef DEBUG
  25#define pr_debug(...) printf(__VA_ARGS__)
  26#else
  27#define pr_debug(...) _no_printf(__VA_ARGS__)
  28#endif
  29#ifndef QUIET
  30#define pr_info(...) printf(__VA_ARGS__)
  31#else
  32#define pr_info(...) _no_printf(__VA_ARGS__)
  33#endif
  34
  35void print_skip(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
  36
  37ssize_t test_write(int fd, const void *buf, size_t count);
  38ssize_t test_read(int fd, void *buf, size_t count);
  39int test_seq_read(const char *path, char **bufp, size_t *sizep);
  40
  41void test_assert(bool exp, const char *exp_str,
  42                 const char *file, unsigned int line, const char *fmt, ...)
  43                __attribute__((format(printf, 5, 6)));
  44
  45#define TEST_ASSERT(e, fmt, ...) \
  46        test_assert((e), #e, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
  47
  48#define ASSERT_EQ(a, b) do { \
  49        typeof(a) __a = (a); \
  50        typeof(b) __b = (b); \
  51        TEST_ASSERT(__a == __b, \
  52                    "ASSERT_EQ(%s, %s) failed.\n" \
  53                    "\t%s is %#lx\n" \
  54                    "\t%s is %#lx", \
  55                    #a, #b, #a, (unsigned long) __a, #b, (unsigned long) __b); \
  56} while (0)
  57
  58#define TEST_FAIL(fmt, ...) \
  59        TEST_ASSERT(false, fmt, ##__VA_ARGS__)
  60
  61size_t parse_size(const char *size);
  62
  63int64_t timespec_to_ns(struct timespec ts);
  64struct timespec timespec_add_ns(struct timespec ts, int64_t ns);
  65struct timespec timespec_add(struct timespec ts1, struct timespec ts2);
  66struct timespec timespec_sub(struct timespec ts1, struct timespec ts2);
  67
  68#endif /* SELFTEST_KVM_TEST_UTIL_H */
  69