1
1
libssh/tests/unittests/torture_buffer.c

68 строки
1.5 KiB
C
Исходник Обычный вид История

2010-10-03 12:06:47 +02:00
#define LIBSSH_STATIC
#include "torture.h"
#include "libssh/buffer.h"
ssh_buffer buffer;
#define LIMIT (8*1024*1024)
static void setup(void) {
buffer=ssh_buffer_new();
}
static void teardown(void) {
ssh_buffer_free(buffer);
}
/* test if the continuously growing buffer size never exceeds 2 time its
* real capacity
*/
START_TEST (torture_growing_buffer)
{
int i;
for(i=0;i<LIMIT;++i){
buffer_add_data(buffer,"A",1);
if(buffer->used >= 128){
if(buffer_get_rest_len(buffer) * 2 < buffer->allocated){
ck_assert(buffer_get_rest_len(buffer) * 2 >= buffer->allocated);
}
}
}
}
END_TEST
/* test if the continuously growing buffer size never exceeds 2 time its
* real capacity, when we remove 1 byte after each call (sliding window)
*/
START_TEST (torture_growing_buffer_shifting)
{
int i;
unsigned char c;
for(i=0; i<1024;++i){
buffer_add_data(buffer,"S",1);
}
for(i=0;i<LIMIT;++i){
buffer_get_u8(buffer,&c);
buffer_add_data(buffer,"A",1);
if(buffer->used >= 128){
if(buffer_get_rest_len(buffer) * 4 < buffer->allocated){
ck_assert(buffer_get_rest_len(buffer) * 4 >= buffer->allocated);
return;
}
}
}
}
END_TEST
Suite *torture_make_suite(void) {
Suite *s = suite_create("libssh_buffer");
torture_create_case_fixture(s, "torture_growing_buffer",
torture_growing_buffer, setup, teardown);
torture_create_case_fixture(s, "torture_growing_buffer_shifting",
torture_growing_buffer_shifting, setup, teardown);
return s;
}