test-ostream-file.c revision e34d170f8f0e084bd94bfbc1a7085ece67e508df
/* Copyright (c) 2009-2012 Dovecot authors, see the included COPYING file */
#include "test-lib.h"
#include "str.h"
#include "safe-mkstemp.h"
#include "randgen.h"
#include "ostream.h"
#include <stdlib.h>
#include <unistd.h>
#define MAX_BUFSIZE 256
static void test_ostream_file_random(void)
{
struct ostream *output;
string_t *path = t_str_new(128);
char buf[MAX_BUFSIZE*4], buf2[MAX_BUFSIZE*4], randbuf[MAX_BUFSIZE];
unsigned int i, offset, size;
ssize_t ret;
int fd;
memset(buf, 0, sizeof(buf));
fd = safe_mkstemp(path, 0600, (uid_t)-1, (gid_t)-1);
if (fd == -1)
i_fatal("safe_mkstemp(%s) failed: %m", str_c(path));
if (unlink(str_c(path)) < 0)
i_fatal("unlink(%s) failed: %m", str_c(path));
output = o_stream_create_fd(fd, MAX_BUFSIZE, FALSE);
o_stream_cork(output);
size = (rand() % MAX_BUFSIZE) + 1;
random_fill_weak(randbuf, size);
memcpy(buf, randbuf, size);
test_assert(o_stream_send(output, buf, size) > 0);
for (i = 0; i < 10; i++) {
offset = rand() % (MAX_BUFSIZE*3);
size = (rand() % MAX_BUFSIZE) + 1;
random_fill_weak(randbuf, size);
memcpy(buf + offset, randbuf, size);
test_assert(o_stream_pwrite(output, randbuf, size, offset) == 0);
if (rand() % 10 == 0)
test_assert(o_stream_flush(output) > 0);
}
test_assert(o_stream_flush(output) > 0);
o_stream_uncork(output);
ret = pread(fd, buf2, sizeof(buf2), 0);
if (ret < 0)
i_fatal("pread() failed: %m");
else {
i_assert(ret > 0);
test_assert(memcmp(buf, buf2, ret) == 0);
}
o_stream_unref(&output);
(void)close(fd);
}
void test_ostream_file(void)
{
unsigned int i;
test_begin("ostream pwrite random");
for (i = 0; i < 100; i++) T_BEGIN {
test_ostream_file_random();
} T_END;
test_end();
}