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/*
* printfrr() unit test
* Copyright (C) 2019 David Lamparter
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "zebra.h"
#include <math.h>
#include "lib/printfrr.h"
#include "lib/memory.h"
#include "lib/prefix.h"
static int errors;
static void printcmp(const char *fmt, ...) PRINTFRR(1, 2);
static void printcmp(const char *fmt, ...)
{
va_list ap;
char buf[256], bufrr[256], *p;
int cmp;
memset(bufrr, 0xcc, sizeof(bufrr));
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
va_start(ap, fmt);
vsnprintfrr(bufrr, sizeof(bufrr), fmt, ap);
va_end(ap);
cmp = strcmp(buf, bufrr);
/* OS dependent "+nan" vs. "nan" */
if (cmp && (p = strstr(bufrr, "+nan"))) {
p[0] = ' ';
if (!strcmp(buf, bufrr))
cmp = 0;
p[0] = '+';
}
printf("fmt: \"%s\"\nsys: \"%s\"\nfrr: \"%s\"\n%s\n\n",
fmt, buf, bufrr, cmp ? "ERROR" : "ok");
if (cmp)
errors++;
}
static int printchk(const char *ref, const char *fmt, ...) PRINTFRR(2, 3);
static int printchk(const char *ref, const char *fmt, ...)
{
va_list ap;
char bufrr[256];
bool truncfail = false;
size_t i;
size_t expectlen;
memset(bufrr, 0xcc, sizeof(bufrr));
va_start(ap, fmt);
expectlen = vsnprintfrr(NULL, 0, fmt, ap);
va_end(ap);
va_start(ap, fmt);
vsnprintfrr(bufrr, 7, fmt, ap);
va_end(ap);
if (strnlen(bufrr, 7) == 7)
truncfail = true;
if (strnlen(bufrr, 7) < 7 && strncmp(ref, bufrr, 6) != 0)
truncfail = true;
for (i = 7; i < sizeof(bufrr); i++)
if (bufrr[i] != (char)0xcc) {
truncfail = true;
break;
}
if (truncfail) {
printf("truncation test FAILED:\n"
"fmt: \"%s\"\nref: \"%s\"\nfrr[:7]: \"%s\"\n%s\n\n",
fmt, ref, bufrr, strcmp(ref, bufrr) ? "ERROR" : "ok");
errors++;
}
struct fmt_outpos outpos[16];
struct fbuf fb = {
.buf = bufrr,
.pos = bufrr,
.len = sizeof(bufrr) - 1,
.outpos = outpos,
.outpos_n = array_size(outpos),
};
va_start(ap, fmt);
vbprintfrr(&fb, fmt, ap);
fb.pos[0] = '\0';
va_end(ap);
printf("fmt: \"%s\"\nref: \"%s\"\nfrr: \"%s\"\n%s\n",
fmt, ref, bufrr, strcmp(ref, bufrr) ? "ERROR" : "ok");
if (strcmp(ref, bufrr))
errors++;
if (strlen(bufrr) != expectlen) {
printf("return value <> length mismatch\n");
errors++;
}
for (size_t i = 0; i < fb.outpos_i; i++)
printf("\t[%zu: %u..%u] = \"%.*s\"\n", i,
outpos[i].off_start,
outpos[i].off_end,
(int)(outpos[i].off_end - outpos[i].off_start),
bufrr + outpos[i].off_start);
printf("\n");
return 0;
}
static void test_va(const char *ref, const char *fmt, ...) PRINTFRR(2, 3);
static void test_va(const char *ref, const char *fmt, ...)
{
struct va_format vaf;
va_list ap;
va_start(ap, fmt);
vaf.fmt = fmt;
vaf.va = ≈
printchk(ref, "VA [%pVA] %s", &vaf, "--");
va_end(ap);
}
int main(int argc, char **argv)
{
size_t i;
float flts[] = {
123.456789,
23.456789e-30,
3.456789e+30,
INFINITY,
NAN,
};
uint64_t ui64 = 0xfeed1278cafef00d;
struct in_addr ip;
char *p;
char buf[256];
printcmp("%d %u %d %u", 123, 123, -456, -456);
printcmp("%lld %llu %lld %llu", 123LL, 123LL, -456LL, -456LL);
printcmp("%-20s,%20s,%.20s", "test", "test", "test");
printcmp("%-3s,%3s,%.3s", "test", "test", "test");
printcmp("%-6.3s,%6.3s,%6.3s", "test", "test", "test");
printcmp("%*s,%*s,%.*s", -3, "test", 3, "test", 3, "test");
for (i = 0; i < array_size(flts); i++) {
printcmp("%-6.3e,%6.3e,%+06.3e", flts[i], flts[i], flts[i]);
printcmp("%-6.3f,%6.3f,%+06.3f", flts[i], flts[i], flts[i]);
printcmp("%-6.3g,%6.3g,%+06.3g", flts[i], flts[i], flts[i]);
printcmp("%-6.3a,%6.3a,%+06.3a", flts[i], flts[i], flts[i]);
}
printchk("-77385308584349683 18369358765125201933 feed1278cafef00d",
"%Ld %Lu %Lx", ui64, ui64, ui64);
inet_aton("192.168.1.2", &ip);
printchk("192.168.1.2", "%pI4", &ip);
printchk(" 192.168.1.2", "%20pI4", &ip);
printchk("192.168.1.2 ", "%-20pI4", &ip);
printcmp("%p", &ip);
test_va("VA [192.168.1.2 1234] --", "%pI4 %u", &ip, 1234);
snprintfrr(buf, sizeof(buf), "test%s", "#1");
csnprintfrr(buf, sizeof(buf), "test%s", "#2");
assert(strcmp(buf, "test#1test#2") == 0);
p = asnprintfrr(MTYPE_TMP, buf, sizeof(buf), "test%s", "#3");
assert(p == buf);
assert(strcmp(buf, "test#3") == 0);
p = asnprintfrr(MTYPE_TMP, buf, 4, "test%s", "#4");
assert(p != buf);
assert(strcmp(p, "test#4") == 0);
XFREE(MTYPE_TMP, p);
p = asprintfrr(MTYPE_TMP, "test%s", "#5");
assert(strcmp(p, "test#5") == 0);
XFREE(MTYPE_TMP, p);
struct prefix_sg sg;
sg.src.s_addr = INADDR_ANY;
sg.grp.s_addr = INADDR_ANY;
printchk("(*,*)", "%pSG4", &sg);
inet_aton("192.168.1.2", &sg.src);
printchk("(192.168.1.2,*)", "%pSG4", &sg);
inet_aton("224.1.2.3", &sg.grp);
printchk("(192.168.1.2,224.1.2.3)", "%pSG4", &sg);
sg.src.s_addr = INADDR_ANY;
printchk("(*,224.1.2.3)", "%pSG4", &sg);
uint8_t randhex[] = { 0x12, 0x34, 0x00, 0xca, 0xfe, 0x00, 0xaa, 0x55 };
FMT_NSTD(printchk("12 34 00 ca fe 00 aa 55", "%.8pHX", randhex));
FMT_NSTD(printchk("12 34 00 ca fe 00 aa 55", "%.*pHX",
(int)sizeof(randhex), randhex));
FMT_NSTD(printchk("12 34 00 ca", "%.4pHX", randhex));
printchk("12 34 00 ca fe 00 aa 55", "%8pHX", randhex);
printchk("12 34 00 ca fe 00 aa 55", "%*pHX",
(int)sizeof(randhex), randhex);
printchk("12 34 00 ca", "%4pHX", randhex);
printchk("", "%pHX", randhex);
printchk("12:34:00:ca:fe:00:aa:55", "%8pHXc", randhex);
printchk("123400cafe00aa55", "%8pHXn", randhex);
printchk("/test/pa\\ th/\\~spe\\ncial\\x01/file.name", "%pSE",
"/test/pa th/~spe\ncial\x01/file.name");
printchk("/test/pa\\ th/\\~spe\\n", "%17pSE",
"/test/pa th/~spe\ncial\x01/file.name");
char nulltest[] = { 'n', 'u', 0, 'l', 'l' };
printchk("nu\\x00ll", "%5pSE", nulltest);
printchk("nu\\x00ll", "%*pSE", 5, nulltest);
printchk("bl\\\"ah\\x01te[st\\nab]c", "%pSQ",
"bl\"ah\x01te[st\nab]c");
printchk("\"bl\\\"ah\\x01te[st\\nab]c\"", "%pSQq",
"bl\"ah\x01te[st\nab]c");
printchk("\"bl\\\"ah\\x01te[st\\x0aab\\]c\"", "%pSQqs",
"bl\"ah\x01te[st\nab]c");
printchk("\"\"", "%pSQqn", "");
printchk("\"\"", "%pSQqn", (char *)NULL);
printchk("(null)", "%pSQq", (char *)NULL);
return !!errors;
}
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