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https://gitlab.nic.cz/labs/bird.git
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49fc021337
Use '%t' in bsnprintf() for microsecond times (in btime) with variable sub-second precision.
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* BIRD Library -- String Functions Tests
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*
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* (c) 2015 CZ.NIC z.s.p.o.
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#include "test/birdtest.h"
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#include "lib/string.h"
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#define BSPRINTF(nw, res, buf, fmt, ...) \
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do { \
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int n = bsprintf(buf, fmt, ##__VA_ARGS__); \
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bt_assert_msg(n == nw, "fmt=\"%s\" returns n=%d, want %d", fmt, n, nw); \
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bt_assert_msg(buf[n] == 0, "fmt=\"%s\" buf[%d] should be \'\\0\', found 0x%02x", fmt, n, buf[n]); \
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bt_assert_msg(memcmp(buf, res, nw) == 0, "fmt=\"%s\" writes \"%*s\", want \"%*s\"", fmt, (n < nw ? n : nw), buf, nw, res); \
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} while (0)
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static int
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t_simple(void)
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{
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char buf[256];
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memset(buf, 0xa5, 256);
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BSPRINTF(0, "", buf, "", NULL);
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BSPRINTF(1, "%", buf, "%%", NULL);
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BSPRINTF(2, "%%", buf, "%%%%", NULL);
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BSPRINTF(1, "\x00", buf, "%c", 0);
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BSPRINTF(1, "@", buf, "@", 64);
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BSPRINTF(1, "\xff", buf, "%c", 0xff);
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errno = 5;
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BSPRINTF(18, "Input/output error", buf, "%m");
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errno = 0;
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BSPRINTF(18, "Input/output error", buf, "%M", 5);
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BSPRINTF(11, "TeSt%StRiNg", buf, "%s", "TeSt%StRiNg");
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if (sizeof(void *) == 4)
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BSPRINTF(8, "1a15600d", buf, "%p", (void *) 0x1a15600d);
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else
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BSPRINTF(16, "00000fee1a15600d", buf, "%p", (void *) 0xfee1a15600d);
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long ln = 0;
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BSPRINTF(10, "TeStStRiNg", buf, "TeStS%lntRiNg", &ln);
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bt_assert_msg(ln == 5, "fmt=\"TeStS%%lntRiNg\", &ln makes ln=%ld, want 5", ln);
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BSPRINTF(2, "%d", buf, "%%d", 1);
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BSPRINTF(1, "1", buf, "%d", 1);
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BSPRINTF(2, "+1", buf, "%+d", 1);
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BSPRINTF(2, " 1", buf, "% d", 1);
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BSPRINTF(2, "-1", buf, "%d", -1);
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BSPRINTF(11, "-2147483648", buf, "%d", -2147483648);
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BSPRINTF(7, "123.456", buf, "%t", (btime) 123456789);
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BSPRINTF(7, "123.456", buf, "%2t", (btime) 123456789);
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BSPRINTF(8, " 123.456", buf, "%8t", (btime) 123456789);
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BSPRINTF(4, " 123", buf, "%4.0t", (btime) 123456789);
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BSPRINTF(8, "123.4567", buf, "%8.4t", (btime) 123456789);
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BSPRINTF(9, "0123.4567", buf, "%09.4t", (btime) 123456789);
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BSPRINTF(12, " 123.456789", buf, "%12.10t", (btime) 123456789);
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BSPRINTF(8, " 123.004", buf, "%8t", (btime) 123004 MS);
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return 1;
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}
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int
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main(int argc, char *argv[])
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{
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bt_init(argc, argv);
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bt_test_suite(t_simple, "printf without varargs");
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return bt_exit_value();
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}
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