angiosperm/tests/rb_snprintf_try_append1.c

184 lines
3.8 KiB
C

/*
* rb_snprintf_try_append1.c: Test rb_snprintf_try_append under various conditions
* Copyright 2017 Simon Arlott
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "tap/basic.h"
#include "stdinc.h"
#include "ircd_defs.h"
#include "client.h"
#include "rb_lib.h"
#define MSG "%s:%d (%s)", __FILE__, __LINE__, __FUNCTION__
struct Client me;
static void from_empty1(void)
{
char output[2048] = { 0 };
int len;
len = rb_snprintf_try_append(output, sizeof(output), "%s", "test");
is_int(4, len, MSG);
is_string("test", output, MSG);
}
static void basic_append1(void)
{
char output[2048] = { 0 };
int len;
strcat(output, "test");
len = rb_snprintf_try_append(output, sizeof(output), "%s", "TESTING");
is_int(11, len, MSG);
is_string("testTESTING", output, MSG);
}
static void append_empty1(void)
{
char output[2048] = { 0 };
int len;
strcat(output, "test");
len = rb_snprintf_try_append(output, sizeof(output), "%s", "");
is_int(4, len, MSG);
is_string("test", output, MSG);
}
static void exact_fit_empty1(void)
{
char output[5] = { 0 };
int len;
strcat(output, "test");
len = rb_snprintf_try_append(output, sizeof(output), "%s", "");
is_int(4, len, MSG);
is_string("test", output, MSG);
}
static void exact_fit_basic_append1(void)
{
char output[12] = { 0 };
int len;
strcat(output, "test");
len = rb_snprintf_try_append(output, sizeof(output), "%s", "TESTING");
is_int(11, len, MSG);
is_string("testTESTING", output, MSG);
}
static void too_long_basic_append1(void)
{
char output[11] = { 0 };
int len;
strcat(output, "test");
len = rb_snprintf_try_append(output, sizeof(output), "%s", "TESTING");
is_int(-1, len, MSG);
is_string("test", output, MSG);
}
static void exact_fit_from_empty1(void)
{
char output[5] = { 0 };
int len;
len = rb_snprintf_try_append(output, sizeof(output), "%s", "test");
is_int(4, len, MSG);
is_string("test", output, MSG);
}
static void too_long_from_empty1(void)
{
char output[4] = { 0 };
int len;
len = rb_snprintf_try_append(output, sizeof(output), "%s", "test");
is_int(-1, len, MSG);
is_string("", output, MSG);
}
static void truncate_existing1(void)
{
char output[2048] = { 0 };
int len;
strcat(output, "testing");
len = rb_snprintf_try_append(output, 5, "%s", "");
is_int(-1, len, MSG);
is_string("test", output, MSG);
}
static void truncate_existing2(void)
{
char output[2048] = { 0 };
int len;
strcat(output, "testing");
len = rb_snprintf_try_append(output, 5, "%s", "TEST");
is_int(-1, len, MSG);
is_string("test", output, MSG);
}
static void no_buffer(void)
{
int len;
len = rb_snprintf_try_append(NULL, 0, "%s", "test");
is_int(-1, len, MSG);
}
int main(int argc, char *argv[])
{
memset(&me, 0, sizeof(me));
strcpy(me.name, "me.name.");
rb_lib_init(NULL, NULL, NULL, 0, 1024, DNODE_HEAP_SIZE, FD_HEAP_SIZE);
rb_linebuf_init(LINEBUF_HEAP_SIZE);
plan_lazy();
from_empty1();
basic_append1();
append_empty1();
exact_fit_from_empty1();
too_long_from_empty1();
exact_fit_basic_append1();
too_long_basic_append1();
exact_fit_empty1();
truncate_existing1();
truncate_existing2();
no_buffer();
return 0;
}