[tests] Rename feature_* functional tests.

test/functional/feature_reindex.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+# Copyright (c) 2014-2017 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test running bitcoind with -reindex and -reindex-chainstate options.
+
+- Start a single node and generate 3 blocks.
+- Stop the node and restart it with -reindex. Verify that the node has reindexed up to block 3.
+- Stop the node and restart it with -reindex-chainstate. Verify that the node has reindexed up to block 3.
+"""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import assert_equal
+import time
+
+class ReindexTest(BitcoinTestFramework):
+
+    def set_test_params(self):
+        self.setup_clean_chain = True
+        self.num_nodes = 1
+
+    def reindex(self, justchainstate=False):
+        self.nodes[0].generate(3)
+        blockcount = self.nodes[0].getblockcount()
+        self.stop_nodes()
+        extra_args = [["-reindex-chainstate" if justchainstate else "-reindex", "-checkblockindex=1"]]
+        self.start_nodes(extra_args)
+        while self.nodes[0].getblockcount() < blockcount:
+            time.sleep(0.1)
+        assert_equal(self.nodes[0].getblockcount(), blockcount)
+        self.log.info("Success")
+
+    def run_test(self):
+        self.reindex(False)
+        self.reindex(True)
+        self.reindex(False)
+        self.reindex(True)
+
+if __name__ == '__main__':
+    ReindexTest().main()