tests/test-rename

--- a/tests/test-rename	Sun Feb 14 15:45:12 2010 +0100
+++ b/tests/test-rename	Thu Feb 11 11:22:57 2010 -0200
@@ -210,6 +210,13 @@
 hg status -C
 hg update -C
 
+echo '# overwriting with renames (issue1959)'
+hg rename d1/a d1/c
+hg rename d1/b d1/a
+hg status -C
+hg diff --git
+hg update -C
+
 echo "# check illegal path components"
 
 hg rename d1/d11/a1 .hg/foo