1ca5fd003f
We use "typedef struct Ring Ring" with camel-case for internal objects. So rename "struct ring" to "Ring".
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 David Herrmann <dh.herrmann@gmail.com>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <locale.h>
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#include <errno.h>
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#include "def.h"
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#include "ring.h"
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#include "util.h"
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static void test_ring(void) {
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static const char buf[8192];
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Ring r;
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size_t l;
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struct iovec vec[2];
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int s;
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memset(&r, 0, sizeof(r));
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l = ring_peek(&r, vec);
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assert_se(l == 0);
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s = ring_push(&r, buf, 2048);
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assert_se(!s);
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assert_se(ring_get_size(&r) == 2048);
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l = ring_peek(&r, vec);
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assert_se(l == 1);
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assert_se(vec[0].iov_len == 2048);
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assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
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assert_se(ring_get_size(&r) == 2048);
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ring_pull(&r, 2048);
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assert_se(ring_get_size(&r) == 0);
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l = ring_peek(&r, vec);
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assert_se(l == 0);
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assert_se(ring_get_size(&r) == 0);
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s = ring_push(&r, buf, 2048);
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assert_se(!s);
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assert_se(ring_get_size(&r) == 2048);
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l = ring_peek(&r, vec);
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assert_se(l == 1);
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assert_se(vec[0].iov_len == 2048);
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assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
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assert_se(ring_get_size(&r) == 2048);
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s = ring_push(&r, buf, 1);
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assert_se(!s);
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assert_se(ring_get_size(&r) == 2049);
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l = ring_peek(&r, vec);
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assert_se(l == 2);
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assert_se(vec[0].iov_len == 2048);
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assert_se(vec[1].iov_len == 1);
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assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
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assert_se(!memcmp(vec[1].iov_base, buf, vec[1].iov_len));
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assert_se(ring_get_size(&r) == 2049);
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ring_pull(&r, 2048);
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assert_se(ring_get_size(&r) == 1);
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l = ring_peek(&r, vec);
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assert_se(l == 1);
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assert_se(vec[0].iov_len == 1);
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assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
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assert_se(ring_get_size(&r) == 1);
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ring_pull(&r, 1);
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assert_se(ring_get_size(&r) == 0);
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s = ring_push(&r, buf, 2048);
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assert_se(!s);
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assert_se(ring_get_size(&r) == 2048);
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s = ring_push(&r, buf, 2049);
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assert_se(!s);
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assert_se(ring_get_size(&r) == 4097);
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l = ring_peek(&r, vec);
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assert_se(l == 1);
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assert_se(vec[0].iov_len == 4097);
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assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
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assert_se(ring_get_size(&r) == 4097);
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ring_pull(&r, 1);
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assert_se(ring_get_size(&r) == 4096);
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s = ring_push(&r, buf, 4096);
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assert_se(!s);
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assert_se(ring_get_size(&r) == 8192);
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l = ring_peek(&r, vec);
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assert_se(l == 2);
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assert_se(vec[0].iov_len == 8191);
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assert_se(vec[1].iov_len == 1);
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assert_se(!memcmp(vec[0].iov_base, buf, vec[0].iov_len));
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assert_se(!memcmp(vec[1].iov_base, buf, vec[1].iov_len));
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assert_se(ring_get_size(&r) == 8192);
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ring_clear(&r);
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assert_se(ring_get_size(&r) == 0);
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}
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int main(int argc, char *argv[]) {
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log_parse_environment();
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log_open();
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test_ring();
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return 0;
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}
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