new file mode 100755
--- /dev/null
+++ b/tests/test-convert-hg-sink
@@ -0,0 +1,53 @@
+#!/bin/sh
+
+echo "[extensions]" >> $HGRCPATH
+echo "hgext.convert=" >> $HGRCPATH
+
+hg init orig
+cd orig
+echo foo > foo
+echo bar > bar
+hg ci -qAm 'add foo and bar' -d '0 0'
+
+hg rm foo
+hg ci -m 'remove foo' -d '0 0'
+
+mkdir foo
+echo file > foo/file
+hg ci -qAm 'add foo/file' -d '0 0'
+
+hg tag -d '0 0' some-tag
+
+hg log
+cd ..
+
+hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
+cd new
+hg out ../orig
+
+echo '% dirstate should be empty:'
+hg debugstate
+hg parents -q
+
+hg up -C
+hg copy bar baz
+echo '% put something in the dirstate:'
+hg debugstate > debugstate
+grep baz debugstate
+
+echo '% add a new revision in the original repo'
+cd ../orig
+echo baz > baz
+hg ci -qAm 'add baz'
+
+cd ..
+hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
+cd new
+hg out ../orig
+echo '% dirstate should be the same (no output below):'
+hg debugstate > new-debugstate
+diff debugstate new-debugstate
+
+echo '% no copies'
+hg up -C
+hg debugrename baz