import wiredtiger, wttest
from helper import key_populate, value_populate

class test_f(wttest.WiredTigerTestCase):
	uri = 'table:x'

	def test_f(self):
		self.session.create(self.uri, 'key_format=S,value_format=S')

		self.session.checkpoint('')
		curs1 = self.session.open_cursor(self.uri, None)
		for i in xrange(10):
			curs1.set_key(str(i) + "TEST_KEY")
			curs1.set_value("TEST_VAL")
			curs1.insert()
		curs1.close()

		curs1 = self.session.open_cursor(self.uri, None, 'checkpoint=WiredTigerCheckpoint')
		for i in xrange(10):
			curs1.set_key(str(i) + "TEST_KEY")
			self.assertEqual(curs1.search(), wiredtiger.WT_NOTFOUND)
		curs1.close()

		# Pin the original checkpoint
		sess2 = self.conn.open_session()
		curs2 = sess2.open_cursor(self.uri, None, 'checkpoint=WiredTigerCheckpoint')

		# Take a new checkpoint, make sure the data is there.
		self.session.checkpoint('')
		curs1 = self.session.open_cursor(self.uri, None, 'checkpoint=WiredTigerCheckpoint')
		for i in xrange(10):
			curs1.set_key(str(i) + "TEST_KEY")
			self.assertEqual(curs1.search(), 0)
		curs1.close()

		# Release the pinned cursor / session
		curs2.close()
		sess2.close()

		# Add more data
		curs3 = self.session.open_cursor(self.uri, None)
		for i in xrange(10, 20):
			curs3.set_key(str(i) + "TEST_KEY")
			curs3.set_value("TEST_VAL")
			curs3.insert()
		curs3.close()

		self.session.checkpoint('')

if __name__ == '__main__':
   wttest.run()