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
_no_printf(const char * format,...)22 static 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
35 void print_skip(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
36
37 ssize_t test_write(int fd, const void *buf, size_t count);
38 ssize_t test_read(int fd, void *buf, size_t count);
39 int test_seq_read(const char *path, char **bufp, size_t *sizep);
40
41 void 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
61 size_t parse_size(const char *size);
62
63 int64_t timespec_to_ns(struct timespec ts);
64 struct timespec timespec_add_ns(struct timespec ts, int64_t ns);
65 struct timespec timespec_add(struct timespec ts1, struct timespec ts2);
66 struct timespec timespec_sub(struct timespec ts1, struct timespec ts2);
67 struct timespec timespec_diff_now(struct timespec start);
68 struct timespec timespec_div(struct timespec ts, int divisor);
69
70 #endif /* SELFTEST_KVM_TEST_UTIL_H */
71