bird/lib/buffer_test.c
Ondrej Zajicek (work) 7126cadf80 Static: Minor overhaul
The patch fixes several bugs introduced in previous changes, simplifies
the protocol by handing routes uniformly, introduces asynchronous route
processing to avoid issues with separate notifications for each next-hop
in ECMP routes, and makes reconfiguration faster by avoiding quadratic
complexity.
2017-03-09 13:47:00 +01:00

167 lines
3 KiB
C

/*
* BIRD Library -- Buffer Tests
*
* (c) 2015 CZ.NIC z.s.p.o.
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include <stdlib.h>
#include "test/birdtest.h"
#include "lib/buffer.h"
#define MAX_NUM 33
typedef BUFFER(int) buffer_int;
static int expected[MAX_NUM];
static buffer_int buf;
static struct pool *buffer_pool;
static void
show_buf(buffer_int *b)
{
uint i;
bt_debug(".used = %d, .size = %d\n", b->used, b->size);
for (i = 0; i < b->used; i++)
bt_debug(" .data[%3u] = %-16d expected %-16d %s\n", i, b->data[i], expected[i], (b->data[i] == expected[i] ? "OK" : "FAIL!"));
}
static void
fill_expected_array(void)
{
int i;
for (i = 0; i < MAX_NUM; i++)
expected[i] = bt_random();
}
static void
init_buffer(void)
{
resource_init();
buffer_pool = &root_pool;
BUFFER_INIT(buf, buffer_pool, MAX_NUM);
}
static int
is_buffer_as_expected(buffer_int *b)
{
show_buf(b);
int i;
for (i = 0; i < MAX_NUM; i++)
bt_assert(b->data[i] == expected[i]);
return 1;
}
static int
t_buffer_push(void)
{
int i;
init_buffer();
fill_expected_array();
for (i = 0; i < MAX_NUM; i++)
BUFFER_PUSH(buf) = expected[i];
is_buffer_as_expected(&buf);
return 1;
}
static int
t_buffer_pop(void)
{
int i;
init_buffer();
fill_expected_array();
/* POP a half of elements */
for (i = 0; i < MAX_NUM; i++)
BUFFER_PUSH(buf) = expected[i];
for (i = MAX_NUM-1; i >= MAX_NUM/2; i--)
BUFFER_POP(buf);
for (i = MAX_NUM/2; i < MAX_NUM; i++)
BUFFER_PUSH(buf) = expected[i] = bt_random();
is_buffer_as_expected(&buf);
/* POP all of elements */
for (i = MAX_NUM-1; i >= 0; i--)
BUFFER_POP(buf);
bt_assert(buf.used == 0);
for (i = 0; i < MAX_NUM; i++)
BUFFER_PUSH(buf) = expected[i];
is_buffer_as_expected(&buf);
return 1;
}
static int
t_buffer_resize(void)
{
int i;
init_buffer();
BUFFER_INIT(buf, buffer_pool, 0);
fill_expected_array();
for (i = 0; i < MAX_NUM; i++)
BUFFER_PUSH(buf) = expected[i];
is_buffer_as_expected(&buf);
bt_assert(buf.size >= MAX_NUM);
return 1;
}
static int
t_buffer_flush(void)
{
int i;
init_buffer();
fill_expected_array();
for (i = 0; i < MAX_NUM; i++)
BUFFER_PUSH(buf) = expected[i];
BUFFER_FLUSH(buf);
bt_assert(buf.used == 0);
return 1;
}
static int
t_buffer_walk(void)
{
int i;
init_buffer();
fill_expected_array();
for (i = 0; i < MAX_NUM; i++)
BUFFER_PUSH(buf) = expected[i];
i = 0;
BUFFER_WALK(buf, v)
bt_assert(v == expected[i++]);
bt_assert(i == MAX_NUM);
return 1;
}
int
main(int argc, char *argv[])
{
bt_init(argc, argv);
bt_test_suite(t_buffer_push, "Pushing new elements");
bt_test_suite(t_buffer_pop, "Fill whole buffer (PUSH), a half of elements POP and PUSH new elements");
bt_test_suite(t_buffer_resize, "Init a small buffer and try overfill");
bt_test_suite(t_buffer_flush, "Fill and flush all elements");
bt_test_suite(t_buffer_walk, "Fill and walk through buffer");
return bt_exit_value();
}