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greatest.h
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greatest.h
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/*
* Copyright (c) 2011-2015 Scott Vokes <vokes.s@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef GREATEST_H
#define GREATEST_H
/* 1.0.0 */
#define GREATEST_VERSION_MAJOR 1
#define GREATEST_VERSION_MINOR 0
#define GREATEST_VERSION_PATCH 0
/* A unit testing system for C, contained in 1 file.
* It doesn't use dynamic allocation or depend on anything
* beyond ANSI C89. */
/*********************************************************************
* Minimal test runner template
*********************************************************************/
#if 0
#include "greatest.h"
TEST foo_should_foo() {
PASS();
}
static void setup_cb(void *data) {
printf("setup callback for each test case\n");
}
static void teardown_cb(void *data) {
printf("teardown callback for each test case\n");
}
SUITE(suite) {
/* Optional setup/teardown callbacks which will be run before/after
* every test case in the suite.
* Cleared when the suite finishes. */
SET_SETUP(setup_cb, voidp_to_callback_data);
SET_TEARDOWN(teardown_cb, voidp_to_callback_data);
RUN_TEST(foo_should_foo);
}
/* Add definitions that need to be in the test runner's main file. */
GREATEST_MAIN_DEFS();
/* Set up, run suite(s) of tests, report pass/fail/skip stats. */
int run_tests(void) {
GREATEST_INIT(); /* init. greatest internals */
/* List of suites to run. */
RUN_SUITE(suite);
GREATEST_REPORT(); /* display results */
return greatest_all_passed();
}
/* main(), for a standalone command-line test runner.
* This replaces run_tests above, and adds command line option
* handling and exiting with a pass/fail status. */
int main(int argc, char **argv) {
GREATEST_MAIN_BEGIN(); /* init & parse command-line args */
RUN_SUITE(suite);
GREATEST_MAIN_END(); /* display results */
}
#endif
/*********************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/***********
* Options *
***********/
/* Default column width for non-verbose output. */
#ifndef GREATEST_DEFAULT_WIDTH
#define GREATEST_DEFAULT_WIDTH 72
#endif
/* FILE *, for test logging. */
#ifndef GREATEST_STDOUT
#define GREATEST_STDOUT stdout
#endif
/* Remove GREATEST_ prefix from most commonly used symbols? */
#ifndef GREATEST_USE_ABBREVS
#define GREATEST_USE_ABBREVS 1
#endif
/* Set to 0 to disable all use of setjmp/longjmp. */
#ifndef GREATEST_USE_LONGJMP
#define GREATEST_USE_LONGJMP 1
#endif
#if GREATEST_USE_LONGJMP
#include <setjmp.h>
#endif
/* Set to 0 to disable all use of time.h / clock(). */
#ifndef GREATEST_USE_TIME
#define GREATEST_USE_TIME 1
#endif
#if GREATEST_USE_TIME
#include <time.h>
#endif
/* Floating point type, for ASSERT_IN_RANGE. */
#ifndef GREATEST_FLOAT
#define GREATEST_FLOAT double
#define GREATEST_FLOAT_FMT "%g"
#endif
/*********
* Types *
*********/
/* Info for the current running suite. */
typedef struct greatest_suite_info {
unsigned int tests_run;
unsigned int passed;
unsigned int failed;
unsigned int skipped;
#if GREATEST_USE_TIME
/* timers, pre/post running suite and individual tests */
clock_t pre_suite;
clock_t post_suite;
clock_t pre_test;
clock_t post_test;
#endif
} greatest_suite_info;
/* Type for a suite function. */
typedef void (greatest_suite_cb)(void);
/* Types for setup/teardown callbacks. If non-NULL, these will be run
* and passed the pointer to their additional data. */
typedef void (greatest_setup_cb)(void *udata);
typedef void (greatest_teardown_cb)(void *udata);
/* Type for an equality comparison between two pointers of the same type.
* Should return non-0 if equal, otherwise 0.
* UDATA is a closure value, passed through from ASSERT_EQUAL_T[m]. */
typedef int greatest_equal_cb(const void *exp, const void *got, void *udata);
/* Type for a callback that prints a value pointed to by T.
* Return value has the same meaning as printf's.
* UDATA is a closure value, passed through from ASSERT_EQUAL_T[m]. */
typedef int greatest_printf_cb(const void *t, void *udata);
/* Callbacks for an arbitrary type; needed for type-specific
* comparisons via GREATEST_ASSERT_EQUAL_T[m].*/
typedef struct greatest_type_info {
greatest_equal_cb *equal;
greatest_printf_cb *print;
} greatest_type_info;
/* Callbacks for string type. */
extern greatest_type_info greatest_type_info_string;
typedef enum {
GREATEST_FLAG_VERBOSE = 0x01,
GREATEST_FLAG_FIRST_FAIL = 0x02,
GREATEST_FLAG_LIST_ONLY = 0x04
} GREATEST_FLAG;
/* Struct containing all test runner state. */
typedef struct greatest_run_info {
unsigned int flags;
unsigned int tests_run; /* total test count */
/* overall pass/fail/skip counts */
unsigned int passed;
unsigned int failed;
unsigned int skipped;
unsigned int assertions;
/* currently running test suite */
greatest_suite_info suite;
/* info to print about the most recent failure */
const char *fail_file;
unsigned int fail_line;
const char *msg;
/* current setup/teardown hooks and userdata */
greatest_setup_cb *setup;
void *setup_udata;
greatest_teardown_cb *teardown;
void *teardown_udata;
/* formatting info for ".....s...F"-style output */
unsigned int col;
unsigned int width;
/* only run a specific suite or test */
char *suite_filter;
char *test_filter;
#if GREATEST_USE_TIME
/* overall timers */
clock_t begin;
clock_t end;
#endif
#if GREATEST_USE_LONGJMP
jmp_buf jump_dest;
#endif
} greatest_run_info;
/* Global var for the current testing context.
* Initialized by GREATEST_MAIN_DEFS(). */
extern greatest_run_info greatest_info;
/**********************
* Exported functions *
**********************/
/* These are used internally by greatest. */
void greatest_do_pass(const char *name);
void greatest_do_fail(const char *name);
void greatest_do_skip(const char *name);
int greatest_pre_test(const char *name);
void greatest_post_test(const char *name, int res);
void greatest_usage(const char *name);
int greatest_do_assert_equal_t(const void *exp, const void *got,
greatest_type_info *type_info, void *udata);
/* These are part of the public greatest API. */
void GREATEST_SET_SETUP_CB(greatest_setup_cb *cb, void *udata);
void GREATEST_SET_TEARDOWN_CB(greatest_teardown_cb *cb, void *udata);
int greatest_all_passed(void);
/********************
* Language Support *
********************/
/* If __VA_ARGS__ (C99) is supported, allow parametric testing
* without needing to manually manage the argument struct. */
#if __STDC_VERSION__ >= 19901L || _MSC_VER >= 1800
#define GREATEST_VA_ARGS
#endif
/**********
* Macros *
**********/
/* Define a suite. */
#define GREATEST_SUITE(NAME) void NAME(void); void NAME(void)
/* Start defining a test function.
* The arguments are not included, to allow parametric testing. */
#define GREATEST_TEST static greatest_test_res
/* PASS/FAIL/SKIP result from a test. Used internally. */
typedef enum {
GREATEST_TEST_RES_PASS = 0,
GREATEST_TEST_RES_FAIL = -1,
GREATEST_TEST_RES_SKIP = 1
} greatest_test_res;
/* Run a suite. */
#define GREATEST_RUN_SUITE(S_NAME) greatest_run_suite(S_NAME, #S_NAME)
/* Run a test in the current suite. */
#define GREATEST_RUN_TEST(TEST) \
do { \
if (greatest_pre_test(#TEST) == 1) { \
greatest_test_res res = GREATEST_SAVE_CONTEXT(); \
if (res == GREATEST_TEST_RES_PASS) { \
res = TEST(); \
} \
greatest_post_test(#TEST, res); \
} else if (GREATEST_LIST_ONLY()) { \
fprintf(GREATEST_STDOUT, " %s\n", #TEST); \
} \
} while (0)
/* Run a test in the current suite with one void * argument,
* which can be a pointer to a struct with multiple arguments. */
#define GREATEST_RUN_TEST1(TEST, ENV) \
do { \
if (greatest_pre_test(#TEST) == 1) { \
int res = TEST(ENV); \
greatest_post_test(#TEST, res); \
} else if (GREATEST_LIST_ONLY()) { \
fprintf(GREATEST_STDOUT, " %s\n", #TEST); \
} \
} while (0)
#ifdef GREATEST_VA_ARGS
#define GREATEST_RUN_TESTp(TEST, ...) \
do { \
if (greatest_pre_test(#TEST) == 1) { \
int res = TEST(__VA_ARGS__); \
greatest_post_test(#TEST, res); \
} else if (GREATEST_LIST_ONLY()) { \
fprintf(GREATEST_STDOUT, " %s\n", #TEST); \
} \
} while (0)
#endif
/* Check if the test runner is in verbose mode. */
#define GREATEST_IS_VERBOSE() (greatest_info.flags & GREATEST_FLAG_VERBOSE)
#define GREATEST_LIST_ONLY() (greatest_info.flags & GREATEST_FLAG_LIST_ONLY)
#define GREATEST_FIRST_FAIL() (greatest_info.flags & GREATEST_FLAG_FIRST_FAIL)
#define GREATEST_FAILURE_ABORT() (greatest_info.suite.failed > 0 && GREATEST_FIRST_FAIL())
/* Message-less forms of tests defined below. */
#define GREATEST_PASS() GREATEST_PASSm(NULL)
#define GREATEST_FAIL() GREATEST_FAILm(NULL)
#define GREATEST_SKIP() GREATEST_SKIPm(NULL)
#define GREATEST_ASSERT(COND) \
GREATEST_ASSERTm(#COND, COND)
#define GREATEST_ASSERT_OR_LONGJMP(COND) \
GREATEST_ASSERT_OR_LONGJMPm(#COND, COND)
#define GREATEST_ASSERT_FALSE(COND) \
GREATEST_ASSERT_FALSEm(#COND, COND)
#define GREATEST_ASSERT_EQ(EXP, GOT) \
GREATEST_ASSERT_EQm(#EXP " != " #GOT, EXP, GOT)
#define GREATEST_ASSERT_EQ_FMT(EXP, GOT, FMT) \
GREATEST_ASSERT_EQ_FMTm(#EXP " != " #GOT, EXP, GOT, FMT)
#define GREATEST_ASSERT_IN_RANGE(EXP, GOT, TOL) \
GREATEST_ASSERT_IN_RANGEm(#EXP " != " #GOT " +/- " #TOL, EXP, GOT, TOL)
#define GREATEST_ASSERT_EQUAL_T(EXP, GOT, TYPE_INFO, UDATA) \
GREATEST_ASSERT_EQUAL_Tm(#EXP " != " #GOT, EXP, GOT, TYPE_INFO, UDATA)
#define GREATEST_ASSERT_STR_EQ(EXP, GOT) \
GREATEST_ASSERT_STR_EQm(#EXP " != " #GOT, EXP, GOT)
/* The following forms take an additional message argument first,
* to be displayed by the test runner. */
/* Fail if a condition is not true, with message. */
#define GREATEST_ASSERTm(MSG, COND) \
do { \
greatest_info.assertions++; \
if (!(COND)) { GREATEST_FAILm(MSG); } \
} while (0)
/* Fail if a condition is not true, longjmping out of test. */
#define GREATEST_ASSERT_OR_LONGJMPm(MSG, COND) \
do { \
greatest_info.assertions++; \
if (!(COND)) { GREATEST_FAIL_WITH_LONGJMPm(MSG); } \
} while (0)
/* Fail if a condition is not false, with message. */
#define GREATEST_ASSERT_FALSEm(MSG, COND) \
do { \
greatest_info.assertions++; \
if ((COND)) { GREATEST_FAILm(MSG); } \
} while (0)
/* Fail if EXP != GOT (equality comparison by ==). */
#define GREATEST_ASSERT_EQm(MSG, EXP, GOT) \
do { \
greatest_info.assertions++; \
if ((EXP) != (GOT)) { GREATEST_FAILm(MSG); } \
} while (0)
/* Fail if EXP != GOT (equality comparison by ==). */
#define GREATEST_ASSERT_EQ_FMTm(MSG, EXP, GOT, FMT) \
do { \
greatest_info.assertions++; \
const char *fmt = ( FMT ); \
if ((EXP) != (GOT)) { \
fprintf(GREATEST_STDOUT, "\nExpected: "); \
fprintf(GREATEST_STDOUT, fmt, EXP); \
fprintf(GREATEST_STDOUT, "\nGot: "); \
fprintf(GREATEST_STDOUT, fmt, GOT); \
fprintf(GREATEST_STDOUT, "\n"); \
GREATEST_FAILm(MSG); \
} \
} while (0)
/* Fail if GOT not in range of EXP +|- TOL. */
#define GREATEST_ASSERT_IN_RANGEm(MSG, EXP, GOT, TOL) \
do { \
greatest_info.assertions++; \
GREATEST_FLOAT exp = (EXP); \
GREATEST_FLOAT got = (GOT); \
GREATEST_FLOAT tol = (TOL); \
if ((exp > got && exp - got > tol) || \
(exp < got && got - exp > tol)) { \
fprintf(GREATEST_STDOUT, \
"\nExpected: " GREATEST_FLOAT_FMT \
" +/- " GREATEST_FLOAT_FMT "\n" \
"Got: " GREATEST_FLOAT_FMT "\n", \
exp, tol, got); \
GREATEST_FAILm(MSG); \
} \
} while (0)
/* Fail if EXP is not equal to GOT, according to strcmp. */
#define GREATEST_ASSERT_STR_EQm(MSG, EXP, GOT) \
do { \
GREATEST_ASSERT_EQUAL_Tm(MSG, EXP, GOT, \
&greatest_type_info_string, NULL); \
} while (0) \
/* Fail if EXP is not equal to GOT, according to a comparison
* callback in TYPE_INFO. If they are not equal, optionally use a
* print callback in TYPE_INFO to print them. */
#define GREATEST_ASSERT_EQUAL_Tm(MSG, EXP, GOT, TYPE_INFO, UDATA) \
do { \
greatest_type_info *type_info = (TYPE_INFO); \
greatest_info.assertions++; \
if (!greatest_do_assert_equal_t(EXP, GOT, \
type_info, UDATA)) { \
if (type_info == NULL || type_info->equal == NULL) { \
GREATEST_FAILm("type_info->equal callback missing!"); \
} else { \
GREATEST_FAILm(MSG); \
} \
} \
} while (0) \
/* Pass. */
#define GREATEST_PASSm(MSG) \
do { \
greatest_info.msg = MSG; \
return GREATEST_TEST_RES_PASS; \
} while (0)
/* Fail. */
#define GREATEST_FAILm(MSG) \
do { \
greatest_info.fail_file = __FILE__; \
greatest_info.fail_line = __LINE__; \
greatest_info.msg = MSG; \
return GREATEST_TEST_RES_FAIL; \
} while (0)
/* Optional GREATEST_FAILm variant that longjmps. */
#if GREATEST_USE_LONGJMP
#define GREATEST_FAIL_WITH_LONGJMP() GREATEST_FAIL_WITH_LONGJMPm(NULL)
#define GREATEST_FAIL_WITH_LONGJMPm(MSG) \
do { \
greatest_info.fail_file = __FILE__; \
greatest_info.fail_line = __LINE__; \
greatest_info.msg = MSG; \
longjmp(greatest_info.jump_dest, GREATEST_TEST_RES_FAIL); \
} while (0)
#endif
/* Skip the current test. */
#define GREATEST_SKIPm(MSG) \
do { \
greatest_info.msg = MSG; \
return GREATEST_TEST_RES_SKIP; \
} while (0)
/* Check the result of a subfunction using ASSERT, etc. */
#define GREATEST_CHECK_CALL(RES) \
do { \
int _check_call_res = RES; \
if (_check_call_res != GREATEST_TEST_RES_PASS) { \
return _check_call_res; \
} \
} while (0) \
#if GREATEST_USE_TIME
#define GREATEST_SET_TIME(NAME) \
NAME = clock(); \
if (NAME == (clock_t) -1) { \
fprintf(GREATEST_STDOUT, \
"clock error: %s\n", #NAME); \
exit(EXIT_FAILURE); \
}
#define GREATEST_CLOCK_DIFF(C1, C2) \
fprintf(GREATEST_STDOUT, " (%lu ticks, %.3f sec)", \
(long unsigned int) (C2) - (long unsigned int)(C1), \
(double)((C2) - (C1)) / (1.0 * (double)CLOCKS_PER_SEC))
#else
#define GREATEST_SET_TIME(UNUSED)
#define GREATEST_CLOCK_DIFF(UNUSED1, UNUSED2)
#endif
#if GREATEST_USE_LONGJMP
#define GREATEST_SAVE_CONTEXT() \
/* setjmp returns 0 (GREATEST_TEST_RES_PASS) on first call */ \
/* so the test runs, then RES_FAIL from FAIL_WITH_LONGJMP. */ \
((greatest_test_res)(setjmp(greatest_info.jump_dest)))
#else
#define GREATEST_SAVE_CONTEXT() \
/*a no-op, since setjmp/longjmp aren't being used */ \
GREATEST_TEST_RES_PASS
#endif
/* Include several function definitions in the main test file. */
#define GREATEST_MAIN_DEFS() \
\
/* Is FILTER a subset of NAME? */ \
static int greatest_name_match(const char *name, \
const char *filter) { \
size_t offset = 0; \
size_t filter_len = strlen(filter); \
while (name[offset] != '\0') { \
if (name[offset] == filter[0]) { \
if (0 == strncmp(&name[offset], filter, filter_len)) { \
return 1; \
} \
} \
offset++; \
} \
\
return 0; \
} \
\
int greatest_pre_test(const char *name) { \
if (!GREATEST_LIST_ONLY() \
&& (!GREATEST_FIRST_FAIL() || greatest_info.suite.failed == 0) \
&& (greatest_info.test_filter == NULL || \
greatest_name_match(name, greatest_info.test_filter))) { \
GREATEST_SET_TIME(greatest_info.suite.pre_test); \
if (greatest_info.setup) { \
greatest_info.setup(greatest_info.setup_udata); \
} \
return 1; /* test should be run */ \
} else { \
return 0; /* skipped */ \
} \
} \
\
void greatest_post_test(const char *name, int res) { \
GREATEST_SET_TIME(greatest_info.suite.post_test); \
if (greatest_info.teardown) { \
void *udata = greatest_info.teardown_udata; \
greatest_info.teardown(udata); \
} \
\
if (res <= GREATEST_TEST_RES_FAIL) { \
greatest_do_fail(name); \
} else if (res >= GREATEST_TEST_RES_SKIP) { \
greatest_do_skip(name); \
} else if (res == GREATEST_TEST_RES_PASS) { \
greatest_do_pass(name); \
} \
greatest_info.suite.tests_run++; \
greatest_info.col++; \
if (GREATEST_IS_VERBOSE()) { \
GREATEST_CLOCK_DIFF(greatest_info.suite.pre_test, \
greatest_info.suite.post_test); \
fprintf(GREATEST_STDOUT, "\n"); \
} else if (greatest_info.col % greatest_info.width == 0) { \
fprintf(GREATEST_STDOUT, "\n"); \
greatest_info.col = 0; \
} \
if (GREATEST_STDOUT == stdout) fflush(stdout); \
} \
\
static void greatest_run_suite(greatest_suite_cb *suite_cb, \
const char *suite_name) { \
if (greatest_info.suite_filter && \
!greatest_name_match(suite_name, greatest_info.suite_filter)) { \
return; \
} \
if (GREATEST_FIRST_FAIL() && greatest_info.failed > 0) { return; } \
memset(&greatest_info.suite, 0, sizeof(greatest_info.suite)); \
greatest_info.col = 0; \
fprintf(GREATEST_STDOUT, "\n* Suite %s:\n", suite_name); \
GREATEST_SET_TIME(greatest_info.suite.pre_suite); \
suite_cb(); \
GREATEST_SET_TIME(greatest_info.suite.post_suite); \
if (greatest_info.suite.tests_run > 0) { \
fprintf(GREATEST_STDOUT, \
"\n%u tests - %u pass, %u fail, %u skipped", \
greatest_info.suite.tests_run, \
greatest_info.suite.passed, \
greatest_info.suite.failed, \
greatest_info.suite.skipped); \
GREATEST_CLOCK_DIFF(greatest_info.suite.pre_suite, \
greatest_info.suite.post_suite); \
fprintf(GREATEST_STDOUT, "\n"); \
} \
greatest_info.setup = NULL; \
greatest_info.setup_udata = NULL; \
greatest_info.teardown = NULL; \
greatest_info.teardown_udata = NULL; \
greatest_info.passed += greatest_info.suite.passed; \
greatest_info.failed += greatest_info.suite.failed; \
greatest_info.skipped += greatest_info.suite.skipped; \
greatest_info.tests_run += greatest_info.suite.tests_run; \
} \
\
void greatest_do_pass(const char *name) { \
if (GREATEST_IS_VERBOSE()) { \
fprintf(GREATEST_STDOUT, "PASS %s: %s", \
name, greatest_info.msg ? greatest_info.msg : ""); \
} else { \
fprintf(GREATEST_STDOUT, "."); \
} \
greatest_info.suite.passed++; \
} \
\
void greatest_do_fail(const char *name) { \
if (GREATEST_IS_VERBOSE()) { \
fprintf(GREATEST_STDOUT, \
"FAIL %s: %s (%s:%u)", \
name, greatest_info.msg ? greatest_info.msg : "", \
greatest_info.fail_file, greatest_info.fail_line); \
} else { \
fprintf(GREATEST_STDOUT, "F"); \
greatest_info.col++; \
/* add linebreak if in line of '.'s */ \
if (greatest_info.col != 0) { \
fprintf(GREATEST_STDOUT, "\n"); \
greatest_info.col = 0; \
} \
fprintf(GREATEST_STDOUT, "FAIL %s: %s (%s:%u)\n", \
name, \
greatest_info.msg ? greatest_info.msg : "", \
greatest_info.fail_file, greatest_info.fail_line); \
} \
greatest_info.suite.failed++; \
} \
\
void greatest_do_skip(const char *name) { \
if (GREATEST_IS_VERBOSE()) { \
fprintf(GREATEST_STDOUT, "SKIP %s: %s", \
name, \
greatest_info.msg ? \
greatest_info.msg : "" ); \
} else { \
fprintf(GREATEST_STDOUT, "s"); \
} \
greatest_info.suite.skipped++; \
} \
\
int greatest_do_assert_equal_t(const void *exp, const void *got, \
greatest_type_info *type_info, void *udata) { \
int eq = 0; \
if (type_info == NULL || type_info->equal == NULL) { \
return 0; \
} \
eq = type_info->equal(exp, got, udata); \
if (!eq) { \
if (type_info->print != NULL) { \
fprintf(GREATEST_STDOUT, "\nExpected: "); \
(void)type_info->print(exp, udata); \
fprintf(GREATEST_STDOUT, "\nGot: "); \
(void)type_info->print(got, udata); \
fprintf(GREATEST_STDOUT, "\n"); \
} else { \
fprintf(GREATEST_STDOUT, \
"GREATEST_ASSERT_EQUAL_T failure at %s:%dn", \
greatest_info.fail_file, \
greatest_info.fail_line); \
} \
} \
return eq; \
} \
\
void greatest_usage(const char *name) { \
fprintf(GREATEST_STDOUT, \
"Usage: %s [-hlfv] [-s SUITE] [-t TEST]\n" \
" -h print this Help\n" \
" -l List suites and their tests, then exit\n" \
" -f Stop runner after first failure\n" \
" -v Verbose output\n" \
" -s SUITE only run suite named SUITE\n" \
" -t TEST only run test named TEST\n", \
name); \
} \
\
int greatest_all_passed() { return (greatest_info.failed == 0); } \
\
void GREATEST_SET_SETUP_CB(greatest_setup_cb *cb, void *udata) { \
greatest_info.setup = cb; \
greatest_info.setup_udata = udata; \
} \
\
void GREATEST_SET_TEARDOWN_CB(greatest_teardown_cb *cb, \
void *udata) { \
greatest_info.teardown = cb; \
greatest_info.teardown_udata = udata; \
} \
\
static int greatest_string_equal_cb(const void *exp, const void *got, \
void *udata) { \
(void)udata; \
return (0 == strcmp((const char *)exp, (const char *)got)); \
} \
\
static int greatest_string_printf_cb(const void *t, void *udata) { \
(void)udata; \
return fprintf(GREATEST_STDOUT, "%s", (const char *)t); \
} \
\
greatest_type_info greatest_type_info_string = { \
greatest_string_equal_cb, \
greatest_string_printf_cb, \
}; \
\
greatest_run_info greatest_info
/* Init internals. */
#define GREATEST_INIT() \
do { \
memset(&greatest_info, 0, sizeof(greatest_info)); \
greatest_info.width = GREATEST_DEFAULT_WIDTH; \
GREATEST_SET_TIME(greatest_info.begin); \
} while (0) \
/* Handle command-line arguments, etc. */
#define GREATEST_MAIN_BEGIN() \
do { \
int i = 0; \
GREATEST_INIT(); \
for (i = 1; i < argc; i++) { \
if (0 == strcmp("-t", argv[i])) { \
if (argc <= i + 1) { \
greatest_usage(argv[0]); \
exit(EXIT_FAILURE); \
} \
greatest_info.test_filter = argv[i+1]; \
i++; \
} else if (0 == strcmp("-s", argv[i])) { \
if (argc <= i + 1) { \
greatest_usage(argv[0]); \
exit(EXIT_FAILURE); \
} \
greatest_info.suite_filter = argv[i+1]; \
i++; \
} else if (0 == strcmp("-f", argv[i])) { \
greatest_info.flags |= GREATEST_FLAG_FIRST_FAIL; \
} else if (0 == strcmp("-v", argv[i])) { \
greatest_info.flags |= GREATEST_FLAG_VERBOSE; \
} else if (0 == strcmp("-l", argv[i])) { \
greatest_info.flags |= GREATEST_FLAG_LIST_ONLY; \
} else if (0 == strcmp("-h", argv[i])) { \
greatest_usage(argv[0]); \
exit(EXIT_SUCCESS); \
} else { \
fprintf(GREATEST_STDOUT, \
"Unknown argument '%s'\n", argv[i]); \
greatest_usage(argv[0]); \
exit(EXIT_FAILURE); \
} \
} \
} while (0)
/* Report passes, failures, skipped tests, the number of
* assertions, and the overall run time. */
#define GREATEST_REPORT() \
do { \
if (!GREATEST_LIST_ONLY()) { \
GREATEST_SET_TIME(greatest_info.end); \
fprintf(GREATEST_STDOUT, \
"\nTotal: %u tests", greatest_info.tests_run); \
GREATEST_CLOCK_DIFF(greatest_info.begin, \
greatest_info.end); \
fprintf(GREATEST_STDOUT, ", %u assertions\n", \
greatest_info.assertions); \
fprintf(GREATEST_STDOUT, \
"Pass: %u, fail: %u, skip: %u.\n", \
greatest_info.passed, \
greatest_info.failed, greatest_info.skipped); \
} \
} while (0)
/* Report results, exit with exit status based on results. */
#define GREATEST_MAIN_END() \
do { \
GREATEST_REPORT(); \
return (greatest_all_passed() ? EXIT_SUCCESS : EXIT_FAILURE); \
} while (0)
/* Make abbreviations without the GREATEST_ prefix for the
* most commonly used symbols. */
#if GREATEST_USE_ABBREVS
#define TEST GREATEST_TEST
#define SUITE GREATEST_SUITE
#define RUN_TEST GREATEST_RUN_TEST
#define RUN_TEST1 GREATEST_RUN_TEST1
#define RUN_SUITE GREATEST_RUN_SUITE
#define ASSERT GREATEST_ASSERT
#define ASSERTm GREATEST_ASSERTm
#define ASSERT_FALSE GREATEST_ASSERT_FALSE
#define ASSERT_EQ GREATEST_ASSERT_EQ
#define ASSERT_EQ_FMT GREATEST_ASSERT_EQ_FMT
#define ASSERT_IN_RANGE GREATEST_ASSERT_IN_RANGE
#define ASSERT_EQUAL_T GREATEST_ASSERT_EQUAL_T
#define ASSERT_STR_EQ GREATEST_ASSERT_STR_EQ
#define ASSERT_FALSEm GREATEST_ASSERT_FALSEm
#define ASSERT_EQm GREATEST_ASSERT_EQm
#define ASSERT_EQ_FMTm GREATEST_ASSERT_EQ_FMTm
#define ASSERT_IN_RANGEm GREATEST_ASSERT_IN_RANGEm
#define ASSERT_EQUAL_Tm GREATEST_ASSERT_EQUAL_Tm
#define ASSERT_STR_EQm GREATEST_ASSERT_STR_EQm
#define PASS GREATEST_PASS
#define FAIL GREATEST_FAIL
#define SKIP GREATEST_SKIP
#define PASSm GREATEST_PASSm
#define FAILm GREATEST_FAILm
#define SKIPm GREATEST_SKIPm
#define SET_SETUP GREATEST_SET_SETUP_CB
#define SET_TEARDOWN GREATEST_SET_TEARDOWN_CB
#define CHECK_CALL GREATEST_CHECK_CALL
#ifdef GREATEST_VA_ARGS
#define RUN_TESTp GREATEST_RUN_TESTp
#endif
#if GREATEST_USE_LONGJMP
#define ASSERT_OR_LONGJMP GREATEST_ASSERT_OR_LONGJMP
#define ASSERT_OR_LONGJMPm GREATEST_ASSERT_OR_LONGJMPm
#define FAIL_WITH_LONGJMP GREATEST_FAIL_WITH_LONGJMP
#define FAIL_WITH_LONGJMPm GREATEST_FAIL_WITH_LONGJMPm
#endif
#endif /* USE_ABBREVS */
#endif