diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_bug014.py')
-rw-r--r-- | src/third_party/wiredtiger/test/suite/test_bug014.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_bug014.py b/src/third_party/wiredtiger/test/suite/test_bug014.py new file mode 100644 index 00000000000..c951cb45293 --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_bug014.py @@ -0,0 +1,75 @@ +#!/usr/bin/env python +# +# Public Domain 2014-2016 MongoDB, Inc. +# Public Domain 2008-2014 WiredTiger, Inc. +# +# This is free and unencumbered software released into the public domain. +# +# Anyone is free to copy, modify, publish, use, compile, sell, or +# distribute this software, either in source code form or as a compiled +# binary, for any purpose, commercial or non-commercial, and by any +# means. +# +# In jurisdictions that recognize copyright laws, the author or authors +# of this software dedicate any and all copyright interest in the +# software to the public domain. We make this dedication for the benefit +# of the public at large and to the detriment of our heirs and +# successors. We intend this dedication to be an overt act of +# relinquishment in perpetuity of all present and future rights to this +# software under copyright law. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +import wiredtiger, wttest +from helper import copy_wiredtiger_home, key_populate, simple_populate + +# test_bug014.py +# JIRA WT-2115: fast-delete pages can be incorrectly lost due to a crash. +class test_bug014(wttest.WiredTigerTestCase): + def test_bug014(self): + # Populate a table with 1000 keys on small pages. + uri = 'table:test_bug014' + simple_populate(self, uri, + 'allocation_size=512,leaf_page_max=512,key_format=S', 1000) + + # Reopen it so we can fast-delete pages. + self.reopen_conn() + + # Truncate a chunk of the key/value pairs inside a transaction. + self.session.begin_transaction(None) + start = self.session.open_cursor(uri, None) + start.set_key(key_populate(start, 250)) + end = self.session.open_cursor(uri, None) + end.set_key(key_populate(end, 500)) + self.session.truncate(None, start, end, None) + start.close() + end.close() + + # With the truncation uncommitted, checkpoint the database. + ckpt_session = self.conn.open_session() + ckpt_session.checkpoint(None) + ckpt_session.close() + + # Simulate a crash by copying to a new directory. + copy_wiredtiger_home(".", "RESTART") + + # Open the new directory. + conn = self.setUpConnectionOpen("RESTART") + session = self.setUpSessionOpen(conn) + cursor = session.open_cursor(uri) + + # Confirm all of the records are there. + for i in range(1, 1001): + cursor.set_key(key_populate(cursor, i)) + self.assertEqual(cursor.search(), 0) + + conn.close() + +if __name__ == '__main__': + wttest.run() |