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Test: bsprintf() partial test file

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This commit is contained in:
Jan Moskyto Matejka 2016-04-19 14:08:11 +02:00
parent b0044fcf13
commit 3cb7182091
1 changed files with 71 additions and 0 deletions
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lib/printf_test.c Normal file
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/*
* BIRD Library -- Generic Bit Operations 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 "test/bt-utils.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\" doesn't make buf[%d]=\'\\0\', found 0x%02x instead", 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)
{
bt_test_suite_success = BT_SUCCESS;
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);
BSPRINTF(7, "Success", buf, "%m");
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");
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);
return bt_test_suite_success;
}
int
main(int argc, char *argv[])
{
bt_init(argc, argv);
bt_test_suite(t_simple, "printf without varargs");
return bt_end();
}