diff options
Diffstat (limited to 'storage/perfschema/unittest/pfs_misc-t.cc')
| -rw-r--r-- | storage/perfschema/unittest/pfs_misc-t.cc | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/storage/perfschema/unittest/pfs_misc-t.cc b/storage/perfschema/unittest/pfs_misc-t.cc new file mode 100644 index 00000000000..a4b11b9a727 --- /dev/null +++ b/storage/perfschema/unittest/pfs_misc-t.cc @@ -0,0 +1,72 @@ +/* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program 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 this program; if not, write to the Free Software Foundation, + 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */ + +#include <my_global.h> +#include <pfs_instr.h> +#include <pfs_stat.h> +#include <pfs_global.h> +#include <pfs_instr_class.h> +#include <tap.h> + +#include <memory.h> + +void test_digest_length_overflow() +{ + if (sizeof(size_t) != 4) + { + skip(2, "digest length overflow requires a 32-bit environment"); + return; + } + + PFS_global_param param; + memset(¶m, 0, sizeof(param)); + param.m_enabled= true; + /* + Force 32-bit arithmetic overflow using the digest memory allocation + parameters. The Performance Schema should detect the overflow, free + allocated memory and abort initialization with a warning. + */ + + /* Max digest length, events_statements_history_long. */ + param.m_events_statements_history_long_sizing= 10000; + param.m_digest_sizing= 1000; + param.m_max_digest_length= (1024 * 1024); + pfs_max_digest_length= param.m_max_digest_length; + + int rc = init_events_statements_history_long(param.m_events_statements_history_long_sizing); + ok(rc == 1, "digest length overflow (init_events_statements_history_long"); + + /* Max digest length, events_statements_summary_by_digest. */ + param.m_max_digest_length= (1024 * 1024); + param.m_digest_sizing= 10000; + + rc = init_digest(¶m); + ok(rc == 1, "digest length overflow (init_digest)"); +} + +void do_all_tests() +{ + test_digest_length_overflow(); +} + +int main(int, char **) +{ + plan(2); + MY_INIT("pfs_misc-t"); + do_all_tests(); + my_end(0); + return exit_status(); +} + |