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Diffstat (limited to 'storage/tokudb/PerconaFT/ft/tests/logcursor-empty-logfile-3.cc')
| -rw-r--r-- | storage/tokudb/PerconaFT/ft/tests/logcursor-empty-logfile-3.cc | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/ft/tests/logcursor-empty-logfile-3.cc b/storage/tokudb/PerconaFT/ft/tests/logcursor-empty-logfile-3.cc new file mode 100644 index 00000000..e54ea495 --- /dev/null +++ b/storage/tokudb/PerconaFT/ft/tests/logcursor-empty-logfile-3.cc @@ -0,0 +1,185 @@ +/* -*- 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 AN EMPTY FILE (tests [t:2384]) + { + long long nexti; + r = toku_logger_find_next_unused_log_file(TOKU_TEST_FILENAME, &nexti); + assert(r == 0); + char mt_fname[TOKU_PATH_MAX+1]; + snprintf(mt_fname, TOKU_PATH_MAX, "%s/log%012lld.tokulog%d", TOKU_TEST_FILENAME, nexti, TOKU_LOG_VERSION); + int mt_fd = open(mt_fname, O_CREAT+O_WRONLY+O_TRUNC+O_EXCL+O_BINARY, S_IRWXU); + assert(mt_fd != -1); + r = close(mt_fd); + } + + // 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 AN EMPTY FILE (tests [t:2384]) + { + long long nexti; + r = toku_logger_find_next_unused_log_file(TOKU_TEST_FILENAME, &nexti); + assert(r == 0); + char mt_fname[TOKU_PATH_MAX+1]; + snprintf(mt_fname, TOKU_PATH_MAX, "%s/log%012lld.tokulog%d", TOKU_TEST_FILENAME, nexti, TOKU_LOG_VERSION); + int mt_fd = open(mt_fname, O_CREAT+O_WRONLY+O_TRUNC+O_EXCL+O_BINARY, S_IRWXU); + assert(mt_fd != -1); + r = close(mt_fd); + } + + // 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); + + // VERIFY TRIM WORKS WITH ZERO LENGTH FILE [t:2384] + { + LSN trim_lsn; + trim_lsn.lsn = (2*N)-1; + r = toku_logger_create(&logger); assert(r==0); + r = toku_logger_open(TOKU_TEST_FILENAME, logger); assert(r==0); + + toku_logger_maybe_trim_log(logger, trim_lsn); + assert( toku_logfilemgr_num_logfiles(logger->logfilemgr) == 4 ); // untrimmed log, empty log, plus newly opened log + + r = toku_logger_close(&logger); + } + + toku_os_recursive_delete(TOKU_TEST_FILENAME); + + return 0; +} |