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+#!/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()