--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-issue433.t	Fri Sep 03 23:34:37 2010 +0200
@@ -0,0 +1,12 @@
+# http://mercurial.selenic.com/bts/issue433
+
+  $ hg init
+  $ echo a > a
+  $ hg commit -Ama
+  adding a
+
+  $ hg parents -r 0 doesnotexist
+  abort: 'doesnotexist' not found in manifest!
+
+  $ true
+