ATF_TC_BODY(readline__some, tc)
{
const char *l1 = "First line with % formatting % characters %";
const char *l2 = "Second line; much longer than the first one";
const char *l3 = "Last line, without terminator";
atf_utils_create_file("test.txt", "%s\n%s\n%s", l1, l2, l3);
const int fd = open("test.txt", O_RDONLY);
ATF_REQUIRE(fd != -1);
char *line;
line = atf_utils_readline(fd);
ATF_REQUIRE_STREQ(l1, line);
free(line);
line = atf_utils_readline(fd);
ATF_REQUIRE_STREQ(l2, line);
free(line);
line = atf_utils_readline(fd);
ATF_REQUIRE_STREQ(l3, line);
free(line);
close(fd);
}
/** Searches for a regexp in a file.
*
* \param regex The regexp to look for.
* \param file The file in which to look for the expression.
* \param ... Positional parameters to the regex.
*
* \return True if there is a match; false otherwise. */
bool
atf_utils_grep_file(const char *regex, const char *file, ...)
{
int fd;
va_list ap;
atf_dynstr_t formatted;
atf_error_t error;
va_start(ap, file);
error = atf_dynstr_init_ap(&formatted, regex, ap);
va_end(ap);
ATF_REQUIRE(!atf_is_error(error));
ATF_REQUIRE((fd = open(file, O_RDONLY)) != -1);
bool found = false;
char *line = NULL;
while (!found && (line = atf_utils_readline(fd)) != NULL) {
found = grep_string(atf_dynstr_cstring(&formatted), line);
free(line);
}
close(fd);
atf_dynstr_fini(&formatted);
return found;
}
ATF_TC_BODY(readline__none, tc)
{
atf_utils_create_file("empty.txt", "%s", "");
const int fd = open("empty.txt", O_RDONLY);
ATF_REQUIRE(fd != -1);
ATF_REQUIRE(atf_utils_readline(fd) == NULL);
close(fd);
}
static
void
check_line(int fd, const char *exp)
{
char *line = atf_utils_readline(fd);
ATF_CHECK(line != NULL);
ATF_CHECK_STREQ_MSG(exp, line, "read: '%s', expected: '%s'", line, exp);
free(line);
}