bird/lib/printf_test.c

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/*
* 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);
s64 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", INT32_MIN);
BSPRINTF(10, "2147483647", buf, "%d", INT32_MAX);
BSPRINTF(1, "0", buf, "%u", 0x0);
BSPRINTF(10, "4294967295", buf, "%u", 0xFFFFFFFF);
BSPRINTF(4, "-100", buf, "%ld", (s64) -100);
BSPRINTF(3, "100", buf, "%ld", (s64) 100);
BSPRINTF(20, "-9223372036854775808", buf, "%ld", INT64_MIN);
BSPRINTF(19, "9223372036854775807", buf, "%ld", INT64_MAX);
BSPRINTF(3, "0 8", buf, "%lu %lu", U64(0), U64(8));
BSPRINTF(20, "18446744073709551615", buf, "%lu", UINT64_MAX);
return 1;
}
static int
t_router_id(void)
{
char buf[256];
BSPRINTF(7, "1.2.3.4", buf, "%R", (u32) 0x01020304);
BSPRINTF(15, "240.224.208.192", buf, "%R", (u32) 0xF0E0D0C0);
BSPRINTF(23, "01:02:03:04:05:06:07:08", buf, "%lR", (u64) 0x0102030405060708);
BSPRINTF(23, "f0:e0:d0:c0:b0:a0:90:80", buf, "%lR", (u64) 0xF0E0D0C0B0A09080);
return 1;
}
static int
t_time(void)
{
char buf[256];
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;
}
static int
t_bstrcmp(void)
{
bt_assert(bstrcmp("aa", "aa") == 0);
bt_assert(bstrcmp("aa", "bb") == -1);
bt_assert(bstrcmp("bb", "aa") == 1);
bt_assert(bstrcmp(NULL, NULL) == 0);
bt_assert(bstrcmp(NULL, "bb") == -1);
bt_assert(bstrcmp("bb", NULL) == 1);
return 1;
}
int
main(int argc, char *argv[])
{
bt_init(argc, argv);
bt_test_suite(t_simple, "printf without varargs");
bt_test_suite(t_router_id, "print router id");
bt_test_suite(t_time, "print time");
bt_test_suite(t_bstrcmp, "bstrcmp");
return bt_exit_value();
}