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libkernaux/examples/panic_guards.c

74 lines
1.5 KiB
C

#include <kernaux/assert.h>
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <string.h>
static unsigned int count = 0;
static const char *last_file = NULL;
static int last_line = 0;
static const char *last_str = NULL;
static unsigned int noreturn_count = 0;
static void assert_cb(
const char *const file,
const int line,
const char *const str
) {
++count;
last_file = file;
last_line = line;
last_str = str;
}
static void test_panic_return(const bool do_panic)
{
if (do_panic) KERNAUX_PANIC_RETURN("foo");
++noreturn_count;
}
static bool test_panic_retval(const bool do_panic)
{
if (do_panic) KERNAUX_PANIC_RETVAL("bar", false);
++noreturn_count;
return true;
}
int main()
{
kernaux_assert_cb = assert_cb;
test_panic_return(false);
assert(count == 0);
assert(last_file == NULL);
assert(last_line == 0);
assert(last_str == NULL);
assert(noreturn_count == 1);
assert(test_panic_retval(false));
assert(count == 0);
assert(last_file == NULL);
assert(last_line == 0);
assert(last_str == NULL);
assert(noreturn_count == 2);
test_panic_return(true);
assert(count == 1);
assert(strcmp(last_file, __FILE__) == 0);
assert(last_line == 28);
assert(strcmp(last_str, "\"foo\"") == 0);
assert(noreturn_count == 2);
assert(!test_panic_retval(true));
assert(count == 2);
assert(strcmp(last_file, __FILE__) == 0);
assert(last_line == 34);
assert(strcmp(last_str, "\"bar\"") == 0);
assert(noreturn_count == 2);
}