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acutest.h
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/*
* Acutest -- Another C/C++ Unit Test facility
* <http://github.com/mity/acutest>
*
* Copyright (c) 2013-2019 Martin Mitas
*
* 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 ACUTEST_H__
#define ACUTEST_H__
/************************
*** Public interface ***
************************/
/* By default, "acutest.h" provides the main program entry point (function
* main()). However, if the test suite is composed of multiple source files
* which include "acutest.h", then this causes a problem of multiple main()
* definitions. To avoid this problem, #define macro TEST_NO_MAIN in all
* compilation units but one.
*/
/* Macro to specify list of unit tests in the suite.
* The unit test implementation MUST provide list of unit tests it implements
* with this macro:
*
* TEST_LIST = {
* { "test1_name", test1_func_ptr },
* { "test2_name", test2_func_ptr },
* ...
* { 0 }
* };
*
* The list specifies names of each test (must be unique) and pointer to
* a function implementing it. The function does not take any arguments
* and has no return values, i.e. every test function has to be compatible
* with this prototype:
*
* void test_func(void);
*/
#define TEST_LIST const struct test__ test_list__[]
/* Macros for testing whether an unit test succeeds or fails. These macros
* can be used arbitrarily in functions implementing the unit tests.
*
* If any condition fails throughout execution of a test, the test fails.
*
* TEST_CHECK takes only one argument (the condition), TEST_CHECK_ allows
* also to specify an error message to print out if the condition fails.
* (It expects printf-like format string and its parameters). The macros
* return non-zero (condition passes) or 0 (condition fails).
*
* That can be useful when more conditions should be checked only if some
* preceding condition passes, as illustrated in this code snippet:
*
* SomeStruct* ptr = allocate_some_struct();
* if(TEST_CHECK(ptr != NULL)) {
* TEST_CHECK(ptr->member1 < 100);
* TEST_CHECK(ptr->member2 > 200);
* }
*/
#define TEST_CHECK_(cond,...) test_check__((cond), __FILE__, __LINE__, __VA_ARGS__)
#define TEST_CHECK(cond) test_check__((cond), __FILE__, __LINE__, "%s", #cond)
#ifdef __cplusplus
/* Macros to verify that the code (the 1st argument) throws exception of given
* type (the 2nd argument). (Note these macros are only available in C++.)
*
* TEST_EXCEPTION_ is like TEST_EXCEPTION but accepts custom printf-like
* message.
*
* For example:
*
* TEST_EXCEPTION(function_that_throw(), ExpectedExceptionType);
*
* If the function_that_throw() throws ExpectedExceptionType, the check passes.
* If the function throws anything incompatible with ExpectedExceptionType
* (or if it does not thrown an exception at all), the check fails.
*/
#define TEST_EXCEPTION(code, exctype) \
do { \
bool exc_ok__ = false; \
const char *msg__ = NULL; \
try { \
code; \
msg__ = "No exception thrown."; \
} catch(exctype const&) { \
exc_ok__= true; \
} catch(...) { \
msg__ = "Unexpected exception thrown."; \
} \
test_check__(exc_ok__, __FILE__, __LINE__, #code " throws " #exctype); \
if(msg__ != NULL) \
test_message__("%s", msg__); \
} while(0)
#define TEST_EXCEPTION_(code, exctype, ...) \
do { \
bool exc_ok__ = false; \
const char *msg__ = NULL; \
try { \
code; \
msg__ = "No exception thrown."; \
} catch(exctype const&) { \
exc_ok__= true; \
} catch(...) { \
msg__ = "Unexpected exception thrown."; \
} \
test_check__(exc_ok__, __FILE__, __LINE__, __VA_ARGS__); \
if(msg__ != NULL) \
test_message__("%s", msg__); \
} while(0)
#endif /* #ifdef __cplusplus */
/* Sometimes it is useful to split execution of more complex unit tests to some
* smaller parts and associate those parts with some names.
*
* This is especially handy if the given unit test is implemented as a loop
* over some vector of multiple testing inputs. Using these macros allow to use
* sort of subtitle for each iteration of the loop (e.g. outputting the input
* itself or a name associated to it), so that if any TEST_CHECK condition
* fails in the loop, it can be easily seen which iteration triggers the
* failure, without the need to manually output the iteration-specific data in
* every single TEST_CHECK inside the loop body.
*
* TEST_CASE allows to specify only single string as the name of the case,
* TEST_CASE_ provides all the power of printf-like string formatting.
*
* Note that the test cases cannot be nested. Starting a new test case ends
* implicitly the previous one. To end the test case explicitly (e.g. to end
* the last test case after exiting the loop), you may use TEST_CASE(NULL).
*/
#define TEST_CASE_(...) test_case__(__VA_ARGS__)
#define TEST_CASE(name) test_case__("%s", name);
/* printf-like macro for outputting an extra information about a failure.
*
* Intended use is to output some computed output versus the expected value,
* e.g. like this:
*
* if(!TEST_CHECK(produced == expected)) {
* TEST_MSG("Expected: %d", expected);
* TEST_MSG("Produced: %d", produced);
* }
*
* Note the message is only written down if the most recent use of any checking
* macro (like e.g. TEST_CHECK or TEST_EXCEPTION) in the current test failed.
* This means the above is equivalent to just this:
*
* TEST_CHECK(produced == expected);
* TEST_MSG("Expected: %d", expected);
* TEST_MSG("Produced: %d", produced);
*
* The macro can deal with multi-line output fairly well. It also automatically
* adds a final new-line if there is none present.
*/
#define TEST_MSG(...) test_message__(__VA_ARGS__)
/* Maximal output per TEST_MSG call. Longer messages are cut.
* You may define another limit prior including "acutest.h"
*/
#ifndef TEST_MSG_MAXSIZE
#define TEST_MSG_MAXSIZE 1024
#endif
/* Macro for dumping a block of memory.
*
* Its inteded use is very similar to what TEST_MSG is for, but instead of
* generating any printf-like message, this is for dumping raw block of a
* memory in a hexadecimal form:
*
* TEST_CHECK(size_produced == size_expected && memcmp(addr_produced, addr_expected, size_produced) == 0);
* TEST_DUMP("Expected:", addr_expected, size_expected);
* TEST_DUMP("Produced:", addr_produced, size_produced);
*/
#define TEST_DUMP(title, addr, size) test_dump__(title, addr, size)
/* Maximal output per TEST_DUMP call (in bytes to dump). Longer blocks are cut.
* You may define another limit prior including "acutest.h"
*/
#ifndef TEST_DUMP_MAXSIZE
#define TEST_DUMP_MAXSIZE 1024
#endif
/**********************
*** Implementation ***
**********************/
/* The unit test files should not rely on anything below. */
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(unix) || defined(__unix__) || defined(__unix) || defined(__APPLE__)
#define ACUTEST_UNIX__ 1
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <time.h>
#if defined CLOCK_PROCESS_CPUTIME_ID && defined CLOCK_MONOTONIC
#define ACUTEST_HAS_POSIX_TIMER__ 1
#endif
#endif
#if defined(__gnu_linux__)
#define ACUTEST_LINUX__ 1
#include <fcntl.h>
#include <sys/stat.h>
#endif
#if defined(_WIN32) || defined(__WIN32__) || defined(__WINDOWS__)
#define ACUTEST_WIN__ 1
#include <windows.h>
#include <io.h>
#endif
#ifdef __cplusplus
#include <exception>
#endif
/* Note our global private identifiers end with '__' to mitigate risk of clash
* with the unit tests implementation. */
#ifdef __cplusplus
extern "C" {
#endif
struct test__ {
const char* name;
void (*func)(void);
};
extern const struct test__ test_list__[];
int test_check__(int cond, const char* file, int line, const char* fmt, ...);
void test_case__(const char* fmt, ...);
void test_message__(const char* fmt, ...);
void test_dump__(const char* title, const void* addr, size_t size);
#ifndef TEST_NO_MAIN
static char* test_argv0__ = NULL;
static size_t test_list_size__ = 0;
static const struct test__** tests__ = NULL;
static char* test_flags__ = NULL;
static size_t test_count__ = 0;
static int test_no_exec__ = -1;
static int test_no_summary__ = 0;
static int test_tap__ = 0;
static int test_skip_mode__ = 0;
static int test_worker__ = 0;
static int test_worker_index__ = 0;
static int test_cond_failed__ = 0;
static int test_stat_failed_units__ = 0;
static int test_stat_run_units__ = 0;
static const struct test__* test_current_unit__ = NULL;
static int test_current_index__ = 0;
static char test_case_name__[64] = "";
static int test_current_already_logged__ = 0;
static int test_case_current_already_logged__ = 0;
static int test_verbose_level__ = 2;
static int test_current_failures__ = 0;
static int test_colorize__ = 0;
static int test_timer__ = 0;
#if defined ACUTEST_WIN__
static LARGE_INTEGER test_timer_freq__;
static LARGE_INTEGER test_timer_start__;
static LARGE_INTEGER test_timer_end__;
static void
test_timer_init__(void)
{
QueryPerformanceFrequency(&test_timer_freq__);
}
static void
test_timer_get_time__(LARGE_INTEGER* ts)
{
QueryPerformanceCounter(ts);
}
static void
test_timer_print_diff__(void)
{
double duration = test_timer_end__.QuadPart - test_timer_start__.QuadPart;
duration /= test_timer_freq__.QuadPart;
printf("%.6lf secs", duration);
}
#elif defined ACUTEST_HAS_POSIX_TIMER__
static clockid_t test_timer_id__;
struct timespec test_timer_start__;
struct timespec test_timer_end__;
static void
test_timer_init__(void)
{
if(test_timer__ == 1)
#ifdef CLOCK_MONOTONIC_RAW
/* linux specific; not subject of NTP adjustements or adjtime() */
test_timer_id__ = CLOCK_MONOTONIC_RAW;
#else
test_timer_id__ = CLOCK_MONOTONIC;
#endif
else if(test_timer__ == 2)
test_timer_id__ = CLOCK_PROCESS_CPUTIME_ID;
}
static void
test_timer_get_time__(struct timespec* ts)
{
clock_gettime(test_timer_id__, ts);
}
static void
test_timer_print_diff__(void)
{
double duration = ((double) test_timer_end__.tv_sec +
(double) test_timer_end__.tv_nsec * 10e-9)
-
((double) test_timer_start__.tv_sec +
(double) test_timer_start__.tv_nsec * 10e-9);
printf("%.6lf secs", duration);
}
#else
static int test_timer_start__;
static int test_timer_end__;
void
test_timer_init__(void)
{}
static void
test_timer_get_time__(int* ts)
{
(void) ts;
}
static void
test_timer_print_diff__(void)
{}
#endif
#define TEST_COLOR_DEFAULT__ 0
#define TEST_COLOR_GREEN__ 1
#define TEST_COLOR_RED__ 2
#define TEST_COLOR_DEFAULT_INTENSIVE__ 3
#define TEST_COLOR_GREEN_INTENSIVE__ 4
#define TEST_COLOR_RED_INTENSIVE__ 5
static int
test_print_in_color__(int color, const char* fmt, ...)
{
va_list args;
char buffer[256];
int n;
va_start(args, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, args);
va_end(args);
buffer[sizeof(buffer)-1] = '\0';
if(!test_colorize__) {
return printf("%s", buffer);
}
#if defined ACUTEST_UNIX__
{
const char* col_str;
switch(color) {
case TEST_COLOR_GREEN__: col_str = "\033[0;32m"; break;
case TEST_COLOR_RED__: col_str = "\033[0;31m"; break;
case TEST_COLOR_GREEN_INTENSIVE__: col_str = "\033[1;32m"; break;
case TEST_COLOR_RED_INTENSIVE__: col_str = "\033[1;31m"; break;
case TEST_COLOR_DEFAULT_INTENSIVE__: col_str = "\033[1m"; break;
default: col_str = "\033[0m"; break;
}
printf("%s", col_str);
n = printf("%s", buffer);
printf("\033[0m");
return n;
}
#elif defined ACUTEST_WIN__
{
HANDLE h;
CONSOLE_SCREEN_BUFFER_INFO info;
WORD attr;
h = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo(h, &info);
switch(color) {
case TEST_COLOR_GREEN__: attr = FOREGROUND_GREEN; break;
case TEST_COLOR_RED__: attr = FOREGROUND_RED; break;
case TEST_COLOR_GREEN_INTENSIVE__: attr = FOREGROUND_GREEN | FOREGROUND_INTENSITY; break;
case TEST_COLOR_RED_INTENSIVE__: attr = FOREGROUND_RED | FOREGROUND_INTENSITY; break;
case TEST_COLOR_DEFAULT_INTENSIVE__: attr = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY; break;
default: attr = 0; break;
}
if(attr != 0)
SetConsoleTextAttribute(h, attr);
n = printf("%s", buffer);
SetConsoleTextAttribute(h, info.wAttributes);
return n;
}
#else
n = printf("%s", buffer);
return n;
#endif
}
static void
test_begin_test_line__(const struct test__* test)
{
if(!test_tap__) {
if(test_verbose_level__ >= 3) {
test_print_in_color__(TEST_COLOR_DEFAULT_INTENSIVE__, "Test %s:\n", test->name);
test_current_already_logged__++;
} else if(test_verbose_level__ >= 1) {
int n;
char spaces[48];
n = test_print_in_color__(TEST_COLOR_DEFAULT_INTENSIVE__, "Test %s... ", test->name);
memset(spaces, ' ', sizeof(spaces));
if(n < (int) sizeof(spaces))
printf("%.*s", (int) sizeof(spaces) - n, spaces);
} else {
test_current_already_logged__ = 1;
}
}
}
static void
test_finish_test_line__(int result)
{
if(test_tap__) {
const char* str = (result == 0) ? "ok" : "not ok";
printf("%s %u - %s\n", str, test_current_index__ + 1, test_current_unit__->name);
if(result == 0 && test_timer__) {
printf("# Duration: ");
test_timer_print_diff__();
printf("\n");
}
} else {
int color = (result == 0) ? TEST_COLOR_GREEN_INTENSIVE__ : TEST_COLOR_RED_INTENSIVE__;
const char* str = (result == 0) ? "OK" : "FAILED";
printf("[ ");
test_print_in_color__(color, str);
printf(" ]");
if(result == 0 && test_timer__) {
printf(" ");
test_timer_print_diff__();
}
printf("\n");
}
}
static void
test_line_indent__(int level)
{
static const char spaces[] = " ";
int n = level * 2;
if(test_tap__ && n > 0) {
n--;
printf("#");
}
while(n > 16) {
printf("%s", spaces);
n -= 16;
}
printf("%.*s", n, spaces);
}
int
test_check__(int cond, const char* file, int line, const char* fmt, ...)
{
const char *result_str;
int result_color;
int verbose_level;
if(cond) {
result_str = "ok";
result_color = TEST_COLOR_GREEN__;
verbose_level = 3;
} else {
if(!test_current_already_logged__ && test_current_unit__ != NULL)
test_finish_test_line__(-1);
result_str = "failed";
result_color = TEST_COLOR_RED__;
verbose_level = 2;
test_current_failures__++;
test_current_already_logged__++;
}
if(test_verbose_level__ >= verbose_level) {
va_list args;
if(!test_case_current_already_logged__ && test_case_name__[0]) {
test_line_indent__(1);
test_print_in_color__(TEST_COLOR_DEFAULT_INTENSIVE__, "Case %s:\n", test_case_name__);
test_current_already_logged__++;
test_case_current_already_logged__++;
}
test_line_indent__(test_case_name__[0] ? 2 : 1);
if(file != NULL) {
if(test_verbose_level__ < 3) {
#ifdef ACUTEST_WIN__
const char* lastsep1 = strrchr(file, '\\');
const char* lastsep2 = strrchr(file, '/');
if(lastsep1 == NULL)
lastsep1 = file-1;
if(lastsep2 == NULL)
lastsep2 = file-1;
file = (lastsep1 > lastsep2 ? lastsep1 : lastsep2) + 1;
#else
const char* lastsep = strrchr(file, '/');
if(lastsep != NULL)
file = lastsep+1;
#endif
}
printf("%s:%d: Check ", file, line);
}
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
printf("... ");
test_print_in_color__(result_color, result_str);
printf("\n");
test_current_already_logged__++;
}
test_cond_failed__ = (cond == 0);
return !test_cond_failed__;
}
void
test_case__(const char* fmt, ...)
{
va_list args;
if(test_verbose_level__ < 2)
return;
if(test_case_name__[0]) {
test_case_current_already_logged__ = 0;
test_case_name__[0] = '\0';
}
if(fmt == NULL)
return;
va_start(args, fmt);
vsnprintf(test_case_name__, sizeof(test_case_name__) - 1, fmt, args);
va_end(args);
test_case_name__[sizeof(test_case_name__) - 1] = '\0';
if(test_verbose_level__ >= 3) {
test_line_indent__(1);
test_print_in_color__(TEST_COLOR_DEFAULT_INTENSIVE__, "Case %s:\n", test_case_name__);
test_current_already_logged__++;
test_case_current_already_logged__++;
}
}
void
test_message__(const char* fmt, ...)
{
char buffer[TEST_MSG_MAXSIZE];
char* line_beg;
char* line_end;
va_list args;
if(test_verbose_level__ < 2)
return;
/* We allow extra message only when something is already wrong in the
* current test. */
if(test_current_unit__ == NULL || !test_cond_failed__)
return;
va_start(args, fmt);
vsnprintf(buffer, TEST_MSG_MAXSIZE, fmt, args);
va_end(args);
buffer[TEST_MSG_MAXSIZE-1] = '\0';
line_beg = buffer;
while(1) {
line_end = strchr(line_beg, '\n');
if(line_end == NULL)
break;
test_line_indent__(test_case_name__[0] ? 3 : 2);
printf("%.*s\n", (int)(line_end - line_beg), line_beg);
line_beg = line_end + 1;
}
if(line_beg[0] != '\0') {
test_line_indent__(test_case_name__[0] ? 3 : 2);
printf("%s\n", line_beg);
}
}
void
test_dump__(const char* title, const void* addr, size_t size)
{
static const size_t BYTES_PER_LINE = 16;
size_t line_beg;
size_t truncate = 0;
if(test_verbose_level__ < 2)
return;
/* We allow extra message only when something is already wrong in the
* current test. */
if(test_current_unit__ == NULL || !test_cond_failed__)
return;
if(size > TEST_DUMP_MAXSIZE) {
truncate = size - TEST_DUMP_MAXSIZE;
size = TEST_DUMP_MAXSIZE;
}
test_line_indent__(test_case_name__[0] ? 3 : 2);
printf((title[strlen(title)-1] == ':') ? "%s\n" : "%s:\n", title);
for(line_beg = 0; line_beg < size; line_beg += BYTES_PER_LINE) {
size_t line_end = line_beg + BYTES_PER_LINE;
size_t off;
test_line_indent__(test_case_name__[0] ? 4 : 3);
printf("%08x: ", line_beg);
for(off = line_beg; off < line_end; off++) {
if(off < size)
printf(" %02x", ((unsigned char*)addr)[off]);
else
printf(" ");
}
printf(" ");
for(off = line_beg; off < line_end; off++) {
unsigned char byte = ((unsigned char*)addr)[off];
if(off < size)
printf("%c", (iscntrl(byte) ? '.' : byte));
else
break;
}
printf("\n");
}
if(truncate > 0) {
test_line_indent__(test_case_name__[0] ? 4 : 3);
printf(" ... (and more %u bytes)\n", (unsigned) truncate);
}
}
static void
test_list_names__(void)
{
const struct test__* test;
printf("Unit tests:\n");
for(test = &test_list__[0]; test->func != NULL; test++)
printf(" %s\n", test->name);
}
static void
test_remember__(int i)
{
if(test_flags__[i])
return;
else
test_flags__[i] = 1;
tests__[test_count__] = &test_list__[i];
test_count__++;
}
static int
test_name_contains_word__(const char* name, const char* pattern)
{
static const char word_delim[] = " \t-_.";
const char* substr;
size_t pattern_len;
int starts_on_word_boundary;
int ends_on_word_boundary;
pattern_len = strlen(pattern);
substr = strstr(name, pattern);
while(substr != NULL) {
starts_on_word_boundary = (substr == name || strchr(word_delim, substr[-1]) != NULL);
ends_on_word_boundary = (substr[pattern_len] == '\0' || strchr(word_delim, substr[pattern_len]) != NULL);
if(starts_on_word_boundary && ends_on_word_boundary)
return 1;
substr = strstr(substr+1, pattern);
}
return 0;
}
static int
test_lookup__(const char* pattern)
{
int i;
int n = 0;
/* Try exact match. */
for(i = 0; i < (int) test_list_size__; i++) {
if(strcmp(test_list__[i].name, pattern) == 0) {
test_remember__(i);
n++;
break;
}
}
if(n > 0)
return n;
/* Try word match. */
for(i = 0; i < (int) test_list_size__; i++) {
if(test_name_contains_word__(test_list__[i].name, pattern)) {
test_remember__(i);
n++;
}
}
if(n > 0)
return n;
/* Try relaxed match. */
for(i = 0; i < (int) test_list_size__; i++) {
if(strstr(test_list__[i].name, pattern) != NULL) {
test_remember__(i);
n++;
}
}
return n;
}
/* Called if anything goes bad in Acutest, or if the unit test ends in other
* way then by normal returning from its function (e.g. exception or some
* abnormal child process termination). */
static void
test_error__(const char* fmt, ...)
{
va_list args;
if(test_verbose_level__ == 0)
return;
if(test_verbose_level__ <= 2 && !test_current_already_logged__ && test_current_unit__ != NULL) {
if(test_tap__) {
test_finish_test_line__(-1);
} else {
printf("[ ");
test_print_in_color__(TEST_COLOR_RED_INTENSIVE__, "FAILED");
printf(" ]\n");
}
}
if(test_verbose_level__ >= 2) {
test_line_indent__(1);
if(test_verbose_level__ >= 3)
test_print_in_color__(TEST_COLOR_RED_INTENSIVE__, "ERROR: ");
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
printf("\n");
}
if(test_verbose_level__ >= 3) {
printf("\n");
}
}
/* Call directly the given test unit function. */
static int
test_do_run__(const struct test__* test, int index)
{
test_current_unit__ = test;
test_current_index__ = index;
test_current_failures__ = 0;
test_current_already_logged__ = 0;
test_cond_failed__ = 0;
test_timer_init__();
test_begin_test_line__(test);
#ifdef __cplusplus
try {
#endif
/* This is good to do for case the test unit e.g. crashes. */
fflush(stdout);
fflush(stderr);
test_timer_get_time__(&test_timer_start__);
test->func();
test_timer_get_time__(&test_timer_end__);
if(test_verbose_level__ >= 3) {
test_line_indent__(1);
if(test_current_failures__ == 0) {
test_print_in_color__(TEST_COLOR_GREEN_INTENSIVE__, "SUCCESS: ");
printf("All conditions have passed.\n");
if(test_timer__) {
test_line_indent__(1);
printf("Duration: ");
test_timer_print_diff__();
printf("\n");
}
} else {
test_print_in_color__(TEST_COLOR_RED_INTENSIVE__, "FAILED: ");
printf("%d condition%s %s failed.\n",
test_current_failures__,
(test_current_failures__ == 1) ? "" : "s",
(test_current_failures__ == 1) ? "has" : "have");
}
printf("\n");
} else if(test_verbose_level__ >= 1 && test_current_failures__ == 0) {
test_finish_test_line__(0);
}
test_case__(NULL);
test_current_unit__ = NULL;
return (test_current_failures__ == 0) ? 0 : -1;
#ifdef __cplusplus
} catch(std::exception& e) {
const char* what = e.what();
if(what != NULL)
test_error__("Threw std::exception: %s", what);
else
test_error__("Threw std::exception");
return -1;
} catch(...) {
test_error__("Threw an exception");
return -1;
}
#endif
}
/* Trigger the unit test. If possible (and not suppressed) it starts a child
* process who calls test_do_run__(), otherwise it calls test_do_run__()
* directly. */
static void
test_run__(const struct test__* test, int index)
{
int failed = 1;
test_current_unit__ = test;
test_current_already_logged__ = 0;
if(!test_no_exec__) {
#if defined(ACUTEST_UNIX__)
pid_t pid;
int exit_code;
/* Make sure the child starts with empty I/O buffers. */
fflush(stdout);
fflush(stderr);
pid = fork();
if(pid == (pid_t)-1) {
test_error__("Cannot fork. %s [%d]", strerror(errno), errno);
failed = 1;
} else if(pid == 0) {
/* Child: Do the test. */
failed = (test_do_run__(test, index) != 0);
exit(failed ? 1 : 0);
} else {
/* Parent: Wait until child terminates and analyze its exit code. */
waitpid(pid, &exit_code, 0);
if(WIFEXITED(exit_code)) {
switch(WEXITSTATUS(exit_code)) {
case 0: failed = 0; break; /* test has passed. */
case 1: /* noop */ break; /* "normal" failure. */
default: test_error__("Unexpected exit code [%d]", WEXITSTATUS(exit_code));
}
} else if(WIFSIGNALED(exit_code)) {
char tmp[32];
const char* signame;
switch(WTERMSIG(exit_code)) {
case SIGINT: signame = "SIGINT"; break;
case SIGHUP: signame = "SIGHUP"; break;
case SIGQUIT: signame = "SIGQUIT"; break;
case SIGABRT: signame = "SIGABRT"; break;
case SIGKILL: signame = "SIGKILL"; break;
case SIGSEGV: signame = "SIGSEGV"; break;
case SIGILL: signame = "SIGILL"; break;
case SIGTERM: signame = "SIGTERM"; break;
default: sprintf(tmp, "signal %d", WTERMSIG(exit_code)); signame = tmp; break;
}
test_error__("Test interrupted by %s", signame);
} else {
test_error__("Test ended in an unexpected way [%d]", exit_code);
}
}
#elif defined(ACUTEST_WIN__)
char buffer[512] = {0};
STARTUPINFOA startupInfo;
PROCESS_INFORMATION processInfo;
DWORD exitCode;
/* Windows has no fork(). So we propagate all info into the child
* through a command line arguments. */
_snprintf(buffer, sizeof(buffer)-1,
"%s --worker=%d %s --no-exec --no-summary %s --verbose=%d --color=%s -- \"%s\"",
test_argv0__, index, test_timer__ ? "--timer" : "",
test_tap__ ? "--tap" : "", test_verbose_level__,
test_colorize__ ? "always" : "never",
test->name);
memset(&startupInfo, 0, sizeof(startupInfo));
startupInfo.cb = sizeof(STARTUPINFO);
if(CreateProcessA(NULL, buffer, NULL, NULL, FALSE, 0, NULL, NULL, &startupInfo, &processInfo)) {
WaitForSingleObject(processInfo.hProcess, INFINITE);
GetExitCodeProcess(processInfo.hProcess, &exitCode);
CloseHandle(processInfo.hThread);
CloseHandle(processInfo.hProcess);
failed = (exitCode != 0);
} else {
test_error__("Cannot create unit test subprocess [%ld].", GetLastError());
failed = 1;
}
#else
/* A platform where we don't know how to run child process. */
failed = (test_do_run__(test, index) != 0);
#endif
} else {
/* Child processes suppressed through --no-exec. */
failed = (test_do_run__(test, index) != 0);
}
test_current_unit__ = NULL;
test_stat_run_units__++;
if(failed)
test_stat_failed_units__++;
}
#if defined(ACUTEST_WIN__)
/* Callback for SEH events. */
static LONG CALLBACK
test_exception_filter__(EXCEPTION_POINTERS *ptrs)