bird/lib/printf_test.c
Ondrej Zajicek (work) 49fc021337 Printf: Add support for microsecond times
Use '%t' in bsnprintf() for microsecond times (in btime) with variable
sub-second precision.
2017-12-07 13:49:27 +01:00

79 lines
2.3 KiB
C

/*
* BIRD Library -- String Functions Tests
*
* (c) 2015 CZ.NIC z.s.p.o.
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "test/birdtest.h"
#include "lib/string.h"
#define BSPRINTF(nw, res, buf, fmt, ...) \
do { \
int n = bsprintf(buf, fmt, ##__VA_ARGS__); \
bt_assert_msg(n == nw, "fmt=\"%s\" returns n=%d, want %d", fmt, n, nw); \
bt_assert_msg(buf[n] == 0, "fmt=\"%s\" buf[%d] should be \'\\0\', found 0x%02x", fmt, n, buf[n]); \
bt_assert_msg(memcmp(buf, res, nw) == 0, "fmt=\"%s\" writes \"%*s\", want \"%*s\"", fmt, (n < nw ? n : nw), buf, nw, res); \
} while (0)
static int
t_simple(void)
{
char buf[256];
memset(buf, 0xa5, 256);
BSPRINTF(0, "", buf, "", NULL);
BSPRINTF(1, "%", buf, "%%", NULL);
BSPRINTF(2, "%%", buf, "%%%%", NULL);
BSPRINTF(1, "\x00", buf, "%c", 0);
BSPRINTF(1, "@", buf, "@", 64);
BSPRINTF(1, "\xff", buf, "%c", 0xff);
errno = 5;
BSPRINTF(18, "Input/output error", buf, "%m");
errno = 0;
BSPRINTF(18, "Input/output error", buf, "%M", 5);
BSPRINTF(11, "TeSt%StRiNg", buf, "%s", "TeSt%StRiNg");
if (sizeof(void *) == 4)
BSPRINTF(8, "1a15600d", buf, "%p", (void *) 0x1a15600d);
else
BSPRINTF(16, "00000fee1a15600d", buf, "%p", (void *) 0xfee1a15600d);
long ln = 0;
BSPRINTF(10, "TeStStRiNg", buf, "TeStS%lntRiNg", &ln);
bt_assert_msg(ln == 5, "fmt=\"TeStS%%lntRiNg\", &ln makes ln=%ld, want 5", ln);
BSPRINTF(2, "%d", buf, "%%d", 1);
BSPRINTF(1, "1", buf, "%d", 1);
BSPRINTF(2, "+1", buf, "%+d", 1);
BSPRINTF(2, " 1", buf, "% d", 1);
BSPRINTF(2, "-1", buf, "%d", -1);
BSPRINTF(11, "-2147483648", buf, "%d", -2147483648);
BSPRINTF(7, "123.456", buf, "%t", (btime) 123456789);
BSPRINTF(7, "123.456", buf, "%2t", (btime) 123456789);
BSPRINTF(8, " 123.456", buf, "%8t", (btime) 123456789);
BSPRINTF(4, " 123", buf, "%4.0t", (btime) 123456789);
BSPRINTF(8, "123.4567", buf, "%8.4t", (btime) 123456789);
BSPRINTF(9, "0123.4567", buf, "%09.4t", (btime) 123456789);
BSPRINTF(12, " 123.456789", buf, "%12.10t", (btime) 123456789);
BSPRINTF(8, " 123.004", buf, "%8t", (btime) 123004 MS);
return 1;
}
int
main(int argc, char *argv[])
{
bt_init(argc, argv);
bt_test_suite(t_simple, "printf without varargs");
return bt_exit_value();
}