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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*======
This file is part of PerconaFT.
Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
PerconaFT is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2,
as published by the Free Software Foundation.
PerconaFT 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 PerconaFT. If not, see <http://www.gnu.org/licenses/>.
----------------------------------------
PerconaFT is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License, version 3,
as published by the Free Software Foundation.
PerconaFT 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
======= */
#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
#include "logger/logcursor.h"
#include "test.h"
const int N = 2;
int
test_main (int argc, const char *argv[]) {
default_parse_args(argc, argv);
int r;
toku_os_recursive_delete(TOKU_TEST_FILENAME);
r = toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU); assert(r==0);
TOKULOGGER logger;
LSN lsn = ZERO_LSN;
int helloseq = 0;
// create N log files with a hello message
for (int i=0; i<N; i++) {
r = toku_logger_create(&logger);
assert(r == 0);
r = toku_logger_open(TOKU_TEST_FILENAME, logger);
assert(r == 0);
char str[32];
sprintf(str, "hello%d", helloseq++);
BYTESTRING bs0 = { .len = (uint32_t) strlen(str), .data = str };
toku_log_comment(logger, &lsn, 0, 0, bs0);
r = toku_logger_close(&logger);
assert(r == 0);
}
// create N empty log files
for (int i=0; i<N; i++) {
r = toku_logger_create(&logger);
assert(r == 0);
r = toku_logger_open(TOKU_TEST_FILENAME, logger);
assert(r == 0);
r = toku_logger_close(&logger);
assert(r == 0);
}
// create N log files with a hello message
for (int i=0; i<N; i++) {
r = toku_logger_create(&logger);
assert(r == 0);
r = toku_logger_open(TOKU_TEST_FILENAME, logger);
assert(r == 0);
char str[32];
sprintf(str, "hello%d", helloseq++);
BYTESTRING bs0 = { .len = (uint32_t) strlen(str), .data = str };
toku_log_comment(logger, &lsn, 0, 0, bs0);
r = toku_logger_close(&logger);
assert(r == 0);
}
// verify the log forwards
TOKULOGCURSOR lc = NULL;
struct log_entry *le;
r = toku_logcursor_create(&lc, TOKU_TEST_FILENAME);
assert(r == 0 && lc != NULL);
helloseq = 0;
for (int i=0; i<2*N; i++) {
r = toku_logcursor_next(lc, &le);
assert(r == 0 && le->cmd == LT_comment);
char expect[32];
sprintf(expect, "hello%d", helloseq++);
assert(le->u.comment.comment.len == strlen(expect) && memcmp(le->u.comment.comment.data, expect, le->u.comment.comment.len) == 0);
}
r = toku_logcursor_next(lc, &le);
assert(r != 0);
r = toku_logcursor_destroy(&lc);
assert(r == 0 && lc == NULL);
// verify the log backwards
r = toku_logcursor_create(&lc, TOKU_TEST_FILENAME);
assert(r == 0 && lc != NULL);
helloseq = 2*N;
for (int i=0; i<2*N; i++) {
r = toku_logcursor_prev(lc, &le);
assert(r == 0 && le->cmd == LT_comment);
char expect[32];
sprintf(expect, "hello%d", --helloseq);
assert(le->u.comment.comment.len == strlen(expect) && memcmp(le->u.comment.comment.data, expect, le->u.comment.comment.len) == 0);
}
r = toku_logcursor_prev(lc, &le);
assert(r != 0);
r = toku_logcursor_destroy(&lc);
assert(r == 0 && lc == NULL);
toku_os_recursive_delete(TOKU_TEST_FILENAME);
return 0;
}
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