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munit.h
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munit.h
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/* µnit Testing Framework
* Copyright (c) 2013-2017 Evan Nemerson <evan@nemerson.com>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef MUNIT_H
#define MUNIT_H
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#define MUNIT_VERSION(major, minor, revision) \
(((major) << 16) | ((minor) << 8) | (revision))
#define MUNIT_CURRENT_VERSION MUNIT_VERSION(0, 4, 1)
#if defined(_MSC_VER) && (_MSC_VER < 1600)
# define munit_int8_t __int8
# define munit_uint8_t unsigned __int8
# define munit_int16_t __int16
# define munit_uint16_t unsigned __int16
# define munit_int32_t __int32
# define munit_uint32_t unsigned __int32
# define munit_int64_t __int64
# define munit_uint64_t unsigned __int64
#else
# include <stdint.h>
# define munit_int8_t int8_t
# define munit_uint8_t uint8_t
# define munit_int16_t int16_t
# define munit_uint16_t uint16_t
# define munit_int32_t int32_t
# define munit_uint32_t uint32_t
# define munit_int64_t int64_t
# define munit_uint64_t uint64_t
#endif
#if defined(_MSC_VER) && (_MSC_VER < 1800)
# if !defined(PRIi8)
# define PRIi8 "i"
# endif
# if !defined(PRIi16)
# define PRIi16 "i"
# endif
# if !defined(PRIi32)
# define PRIi32 "i"
# endif
# if !defined(PRIi64)
# define PRIi64 "I64i"
# endif
# if !defined(PRId8)
# define PRId8 "d"
# endif
# if !defined(PRId16)
# define PRId16 "d"
# endif
# if !defined(PRId32)
# define PRId32 "d"
# endif
# if !defined(PRId64)
# define PRId64 "I64d"
# endif
# if !defined(PRIx8)
# define PRIx8 "x"
# endif
# if !defined(PRIx16)
# define PRIx16 "x"
# endif
# if !defined(PRIx32)
# define PRIx32 "x"
# endif
# if !defined(PRIx64)
# define PRIx64 "I64x"
# endif
# if !defined(PRIu8)
# define PRIu8 "u"
# endif
# if !defined(PRIu16)
# define PRIu16 "u"
# endif
# if !defined(PRIu32)
# define PRIu32 "u"
# endif
# if !defined(PRIu64)
# define PRIu64 "I64u"
# endif
#else
# include <inttypes.h>
#endif
#if !defined(munit_bool)
# if defined(bool)
# define munit_bool bool
# elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
# define munit_bool _Bool
# else
# define munit_bool int
# endif
#endif
#if defined(__cplusplus)
extern "C" {
#endif
#if defined(__GNUC__)
# define MUNIT_LIKELY(expr) (__builtin_expect((expr), 1))
# define MUNIT_UNLIKELY(expr) (__builtin_expect((expr), 0))
# define MUNIT_UNUSED __attribute__((__unused__))
#else
# define MUNIT_LIKELY(expr) (expr)
# define MUNIT_UNLIKELY(expr) (expr)
# define MUNIT_UNUSED
#endif
#if !defined(_WIN32)
# define MUNIT_SIZE_MODIFIER "z"
# define MUNIT_CHAR_MODIFIER "hh"
# define MUNIT_SHORT_MODIFIER "h"
#else
# if defined(_M_X64) || defined(__amd64__)
# define MUNIT_SIZE_MODIFIER "I64"
# else
# define MUNIT_SIZE_MODIFIER ""
# endif
# define MUNIT_CHAR_MODIFIER ""
# define MUNIT_SHORT_MODIFIER ""
#endif
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
# define MUNIT_NO_RETURN _Noreturn
#elif defined(__GNUC__)
# define MUNIT_NO_RETURN __attribute__((__noreturn__))
#elif defined(_MSC_VER)
# define MUNIT_NO_RETURN __declspec(noreturn)
#else
# define MUNIT_NO_RETURN
#endif
#if defined(_MSC_VER) && (_MSC_VER >= 1500)
# define MUNIT_PUSH_DISABLE_MSVC_C4127_ \
__pragma(warning(push)) __pragma(warning(disable : 4127))
# define MUNIT_POP_DISABLE_MSVC_C4127_ __pragma(warning(pop))
#else
# define MUNIT_PUSH_DISABLE_MSVC_C4127_
# define MUNIT_POP_DISABLE_MSVC_C4127_
#endif
typedef enum {
MUNIT_LOG_DEBUG,
MUNIT_LOG_INFO,
MUNIT_LOG_WARNING,
MUNIT_LOG_ERROR
} MunitLogLevel;
#if defined(__GNUC__) && !defined(__MINGW32__)
# define MUNIT_PRINTF(string_index, first_to_check) \
__attribute__((format(printf, string_index, first_to_check)))
#else
# define MUNIT_PRINTF(string_index, first_to_check)
#endif
MUNIT_PRINTF(4, 5)
void munit_logf_ex(MunitLogLevel level, const char *filename, int line,
const char *format, ...);
#define munit_logf(level, format, ...) \
munit_logf_ex(level, __FILE__, __LINE__, format, __VA_ARGS__)
#define munit_log(level, msg) munit_logf(level, "%s", msg)
MUNIT_NO_RETURN
MUNIT_PRINTF(3, 4)
void munit_errorf_ex(const char *filename, int line, const char *format, ...);
#define munit_errorf(format, ...) \
munit_errorf_ex(__FILE__, __LINE__, format, __VA_ARGS__)
#define munit_error(msg) munit_errorf("%s", msg)
#define munit_assert(expr) \
do { \
if (!MUNIT_LIKELY(expr)) { \
munit_error("assertion failed: " #expr); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_true(expr) \
do { \
if (!MUNIT_LIKELY(expr)) { \
munit_error("assertion failed: " #expr " is not true"); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_false(expr) \
do { \
if (!MUNIT_LIKELY(!(expr))) { \
munit_error("assertion failed: " #expr " is not false"); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_type_full(prefix, suffix, T, fmt, a, op, b) \
do { \
T munit_tmp_a_ = (a); \
T munit_tmp_b_ = (b); \
if (!(munit_tmp_a_ op munit_tmp_b_)) { \
munit_errorf("assertion failed: %s %s %s (" prefix "%" fmt suffix \
" %s " prefix "%" fmt suffix ")", \
#a, #op, #b, munit_tmp_a_, #op, munit_tmp_b_); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_type(T, fmt, a, op, b) \
munit_assert_type_full("", "", T, fmt, a, op, b)
#define munit_assert_char(a, op, b) \
munit_assert_type_full("'\\x", "'", char, "02" MUNIT_CHAR_MODIFIER "x", a, \
op, b)
#define munit_assert_uchar(a, op, b) \
munit_assert_type_full("'\\x", "'", unsigned char, \
"02" MUNIT_CHAR_MODIFIER "x", a, op, b)
#define munit_assert_short(a, op, b) \
munit_assert_type(short, MUNIT_SHORT_MODIFIER "d", a, op, b)
#define munit_assert_ushort(a, op, b) \
munit_assert_type(unsigned short, MUNIT_SHORT_MODIFIER "u", a, op, b)
#define munit_assert_int(a, op, b) munit_assert_type(int, "d", a, op, b)
#define munit_assert_uint(a, op, b) \
munit_assert_type(unsigned int, "u", a, op, b)
#define munit_assert_long(a, op, b) munit_assert_type(long int, "ld", a, op, b)
#define munit_assert_ulong(a, op, b) \
munit_assert_type(unsigned long int, "lu", a, op, b)
#define munit_assert_llong(a, op, b) \
munit_assert_type(long long int, "lld", a, op, b)
#define munit_assert_ullong(a, op, b) \
munit_assert_type(unsigned long long int, "llu", a, op, b)
#define munit_assert_size(a, op, b) \
munit_assert_type(size_t, MUNIT_SIZE_MODIFIER "u", a, op, b)
#define munit_assert_ssize(a, op, b) \
munit_assert_type(ssize_t, MUNIT_SIZE_MODIFIER "d", a, op, b)
#define munit_assert_float(a, op, b) munit_assert_type(float, "f", a, op, b)
#define munit_assert_double(a, op, b) munit_assert_type(double, "g", a, op, b)
#define munit_assert_ptr(a, op, b) \
munit_assert_type(const void *, "p", a, op, b)
#define munit_assert_int8(a, op, b) \
munit_assert_type(munit_int8_t, PRIi8, a, op, b)
#define munit_assert_uint8(a, op, b) \
munit_assert_type(munit_uint8_t, PRIu8, a, op, b)
#define munit_assert_int16(a, op, b) \
munit_assert_type(munit_int16_t, PRIi16, a, op, b)
#define munit_assert_uint16(a, op, b) \
munit_assert_type(munit_uint16_t, PRIu16, a, op, b)
#define munit_assert_int32(a, op, b) \
munit_assert_type(munit_int32_t, PRIi32, a, op, b)
#define munit_assert_uint32(a, op, b) \
munit_assert_type(munit_uint32_t, PRIu32, a, op, b)
#define munit_assert_int64(a, op, b) \
munit_assert_type(munit_int64_t, PRIi64, a, op, b)
#define munit_assert_uint64(a, op, b) \
munit_assert_type(munit_uint64_t, PRIu64, a, op, b)
#define munit_assert_ptrdiff(a, op, b) \
munit_assert_type(ptrdiff_t, "td", a, op, b)
#define munit_assert_enum(T, a, op, b) munit_assert_type(T, "d", a, op, b)
#define munit_assert_double_equal(a, b, precision) \
do { \
const double munit_tmp_a_ = (a); \
const double munit_tmp_b_ = (b); \
const double munit_tmp_diff_ = ((munit_tmp_a_ - munit_tmp_b_) < 0) \
? -(munit_tmp_a_ - munit_tmp_b_) \
: (munit_tmp_a_ - munit_tmp_b_); \
if (MUNIT_UNLIKELY(munit_tmp_diff_ > 1e-##precision)) { \
munit_errorf("assertion failed: %s == %s (%0." #precision \
"g == %0." #precision "g)", \
#a, #b, munit_tmp_a_, munit_tmp_b_); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#include <string.h>
#define munit_assert_string_equal(a, b) \
do { \
const char *munit_tmp_a_ = a; \
const char *munit_tmp_b_ = b; \
if (MUNIT_UNLIKELY(strcmp(munit_tmp_a_, munit_tmp_b_) != 0)) { \
munit_hexdump_diff(stderr, munit_tmp_a_, strlen(munit_tmp_a_), \
munit_tmp_b_, strlen(munit_tmp_b_)); \
munit_errorf("assertion failed: string %s == %s (\"%s\" == \"%s\")", #a, \
#b, munit_tmp_a_, munit_tmp_b_); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_string_not_equal(a, b) \
do { \
const char *munit_tmp_a_ = a; \
const char *munit_tmp_b_ = b; \
if (MUNIT_UNLIKELY(strcmp(munit_tmp_a_, munit_tmp_b_) == 0)) { \
munit_errorf("assertion failed: string %s != %s (\"%s\" == \"%s\")", #a, \
#b, munit_tmp_a_, munit_tmp_b_); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_memory_equal(size, a, b) \
do { \
const unsigned char *munit_tmp_a_ = (const unsigned char *)(a); \
const unsigned char *munit_tmp_b_ = (const unsigned char *)(b); \
const size_t munit_tmp_size_ = (size); \
if (MUNIT_UNLIKELY(memcmp(munit_tmp_a_, munit_tmp_b_, munit_tmp_size_)) != \
0) { \
size_t munit_tmp_pos_; \
for (munit_tmp_pos_ = 0; munit_tmp_pos_ < munit_tmp_size_; \
munit_tmp_pos_++) { \
if (munit_tmp_a_[munit_tmp_pos_] != munit_tmp_b_[munit_tmp_pos_]) { \
munit_hexdump_diff(stderr, munit_tmp_a_, size, munit_tmp_b_, size); \
munit_errorf("assertion failed: memory %s == %s, at offset " \
"%" MUNIT_SIZE_MODIFIER "u", \
#a, #b, munit_tmp_pos_); \
break; \
} \
} \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_memn_equal(a, a_size, b, b_size) \
do { \
const unsigned char *munit_tmp_a_ = (const unsigned char *)(a); \
const unsigned char *munit_tmp_b_ = (const unsigned char *)(b); \
const size_t munit_tmp_a_size_ = (a_size); \
const size_t munit_tmp_b_size_ = (b_size); \
if (MUNIT_UNLIKELY(munit_tmp_a_size_ != munit_tmp_b_size_) || \
MUNIT_UNLIKELY(munit_tmp_a_size_ && memcmp(munit_tmp_a_, munit_tmp_b_, \
munit_tmp_a_size_)) != 0) { \
munit_hexdump_diff(stderr, munit_tmp_a_, munit_tmp_a_size_, \
munit_tmp_b_, munit_tmp_b_size_); \
munit_errorf("assertion failed: memory %s == %s", #a, #b); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_memory_not_equal(size, a, b) \
do { \
const unsigned char *munit_tmp_a_ = (const unsigned char *)(a); \
const unsigned char *munit_tmp_b_ = (const unsigned char *)(b); \
const size_t munit_tmp_size_ = (size); \
if (MUNIT_UNLIKELY(memcmp(munit_tmp_a_, munit_tmp_b_, munit_tmp_size_)) == \
0) { \
munit_errorf("assertion failed: memory %s != %s (%zu bytes)", #a, #b, \
munit_tmp_size_); \
} \
MUNIT_PUSH_DISABLE_MSVC_C4127_ \
} while (0) MUNIT_POP_DISABLE_MSVC_C4127_
#define munit_assert_ptr_equal(a, b) munit_assert_ptr(a, ==, b)
#define munit_assert_ptr_not_equal(a, b) munit_assert_ptr(a, !=, b)
#define munit_assert_null(ptr) munit_assert_ptr(ptr, ==, NULL)
#define munit_assert_not_null(ptr) munit_assert_ptr(ptr, !=, NULL)
#define munit_assert_ptr_null(ptr) munit_assert_ptr(ptr, ==, NULL)
#define munit_assert_ptr_not_null(ptr) munit_assert_ptr(ptr, !=, NULL)
/*** Memory allocation ***/
void *munit_malloc_ex(const char *filename, int line, size_t size);
#define munit_malloc(size) munit_malloc_ex(__FILE__, __LINE__, (size))
#define munit_new(type) ((type *)munit_malloc(sizeof(type)))
#define munit_calloc(nmemb, size) munit_malloc((nmemb) * (size))
#define munit_newa(type, nmemb) ((type *)munit_calloc((nmemb), sizeof(type)))
/*** Random number generation ***/
void munit_rand_seed(munit_uint32_t seed);
munit_uint32_t munit_rand_uint32(void);
int munit_rand_int_range(int min, int max);
double munit_rand_double(void);
void munit_rand_memory(size_t size, munit_uint8_t *buffer);
/*** Tests and Suites ***/
typedef enum {
/* Test successful */
MUNIT_OK,
/* Test failed */
MUNIT_FAIL,
/* Test was skipped */
MUNIT_SKIP,
/* Test failed due to circumstances not intended to be tested
* (things like network errors, invalid parameter value, failure to
* allocate memory in the test harness, etc.). */
MUNIT_ERROR
} MunitResult;
typedef struct {
char *name;
char **values;
} MunitParameterEnum;
typedef struct {
char *name;
char *value;
} MunitParameter;
const char *munit_parameters_get(const MunitParameter params[],
const char *key);
typedef enum {
MUNIT_TEST_OPTION_NONE = 0,
MUNIT_TEST_OPTION_SINGLE_ITERATION = 1 << 0,
MUNIT_TEST_OPTION_TODO = 1 << 1
} MunitTestOptions;
typedef MunitResult (*MunitTestFunc)(const MunitParameter params[],
void *user_data_or_fixture);
typedef void *(*MunitTestSetup)(const MunitParameter params[], void *user_data);
typedef void (*MunitTestTearDown)(void *fixture);
typedef struct {
const char *name;
MunitTestFunc test;
MunitTestSetup setup;
MunitTestTearDown tear_down;
MunitTestOptions options;
MunitParameterEnum *parameters;
} MunitTest;
typedef enum { MUNIT_SUITE_OPTION_NONE = 0 } MunitSuiteOptions;
typedef struct MunitSuite_ MunitSuite;
struct MunitSuite_ {
const char *prefix;
const MunitTest *tests;
const MunitSuite *suites;
unsigned int iterations;
MunitSuiteOptions options;
};
int munit_suite_main(const MunitSuite *suite, void *user_data, int argc,
char *const *argv);
/* Note: I'm not very happy with this API; it's likely to change if I
* figure out something better. Suggestions welcome. */
typedef struct MunitArgument_ MunitArgument;
struct MunitArgument_ {
char *name;
munit_bool (*parse_argument)(const MunitSuite *suite, void *user_data,
int *arg, int argc, char *const *argv);
void (*write_help)(const MunitArgument *argument, void *user_data);
};
int munit_suite_main_custom(const MunitSuite *suite, void *user_data, int argc,
char *const *argv, const MunitArgument arguments[]);
#if defined(MUNIT_ENABLE_ASSERT_ALIASES)
# define assert_true(expr) munit_assert_true(expr)
# define assert_false(expr) munit_assert_false(expr)
# define assert_char(a, op, b) munit_assert_char(a, op, b)
# define assert_uchar(a, op, b) munit_assert_uchar(a, op, b)
# define assert_short(a, op, b) munit_assert_short(a, op, b)
# define assert_ushort(a, op, b) munit_assert_ushort(a, op, b)
# define assert_int(a, op, b) munit_assert_int(a, op, b)
# define assert_uint(a, op, b) munit_assert_uint(a, op, b)
# define assert_long(a, op, b) munit_assert_long(a, op, b)
# define assert_ulong(a, op, b) munit_assert_ulong(a, op, b)
# define assert_llong(a, op, b) munit_assert_llong(a, op, b)
# define assert_ullong(a, op, b) munit_assert_ullong(a, op, b)
# define assert_size(a, op, b) munit_assert_size(a, op, b)
# define assert_ssize(a, op, b) munit_assert_ssize(a, op, b)
# define assert_float(a, op, b) munit_assert_float(a, op, b)
# define assert_double(a, op, b) munit_assert_double(a, op, b)
# define assert_ptr(a, op, b) munit_assert_ptr(a, op, b)
# define assert_int8(a, op, b) munit_assert_int8(a, op, b)
# define assert_uint8(a, op, b) munit_assert_uint8(a, op, b)
# define assert_int16(a, op, b) munit_assert_int16(a, op, b)
# define assert_uint16(a, op, b) munit_assert_uint16(a, op, b)
# define assert_int32(a, op, b) munit_assert_int32(a, op, b)
# define assert_uint32(a, op, b) munit_assert_uint32(a, op, b)
# define assert_int64(a, op, b) munit_assert_int64(a, op, b)
# define assert_uint64(a, op, b) munit_assert_uint64(a, op, b)
# define assert_ptrdiff(a, op, b) munit_assert_ptrdiff(a, op, b)
# define assert_enum(T, a, op, b) munit_assert_enum(T, a, op, b)
# define assert_double_equal(a, b, precision) \
munit_assert_double_equal(a, b, precision)
# define assert_string_equal(a, b) munit_assert_string_equal(a, b)
# define assert_string_not_equal(a, b) munit_assert_string_not_equal(a, b)
# define assert_memory_equal(size, a, b) munit_assert_memory_equal(size, a, b)
# define assert_memn_equal(a, a_size, b, b_size) \
munit_assert_memn_equal(a, a_size, b, b_size)
# define assert_memory_not_equal(size, a, b) \
munit_assert_memory_not_equal(size, a, b)
# define assert_ptr_equal(a, b) munit_assert_ptr_equal(a, b)
# define assert_ptr_not_equal(a, b) munit_assert_ptr_not_equal(a, b)
# define assert_ptr_null(ptr) munit_assert_null_equal(ptr)
# define assert_ptr_not_null(ptr) munit_assert_not_null(ptr)
# define assert_null(ptr) munit_assert_null(ptr)
# define assert_not_null(ptr) munit_assert_not_null(ptr)
#endif /* defined(MUNIT_ENABLE_ASSERT_ALIASES) */
#define munit_void_test_decl(func) \
void func(void); \
\
static inline MunitResult wrap_##func(const MunitParameter params[], \
void *fixture) { \
(void)params; \
(void)fixture; \
\
func(); \
return MUNIT_OK; \
}
#define munit_void_test(func) \
{ "/" #func, wrap_##func, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }
#define munit_test_end() \
{ NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }
int munit_hexdump(FILE *fp, const void *data, size_t datalen);
int munit_hexdump_diff(FILE *fp, const void *a, size_t alen, const void *b,
size_t blen);
#if defined(__cplusplus)
}
#endif
#endif /* !defined(MUNIT_H) */
#if defined(MUNIT_ENABLE_ASSERT_ALIASES)
#if defined(assert)
# undef assert
#endif
#define assert(expr) munit_assert(expr)
#endif