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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 "$Id$"
#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
#include "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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