--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-empty-file.t	Thu Sep 02 18:12:07 2010 +0200
@@ -0,0 +1,46 @@
+  $ hg init a
+  $ cd a
+  $ touch empty1
+  $ hg add empty1
+  $ hg commit -m 'add empty1'
+
+  $ touch empty2
+  $ hg add empty2
+  $ hg commit -m 'add empty2'
+
+  $ hg up -C 0
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ touch empty3
+  $ hg add empty3
+  $ hg commit -m 'add empty3'
+  created new head
+
+  $ hg heads
+  changeset:   2:a1cb177e0d44
+  tag:         tip
+  parent:      0:1e1d9c4e5b64
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     add empty3
+  
+  changeset:   1:097d2b0e17f6
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     add empty2
+  
+
+  $ hg merge 1
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+
+Before changeset 05257fd28591, we didn't notice the
+empty file that came from rev 1:
+
+  $ hg status
+  M empty2
+  $ hg commit -m merge
+  $ hg manifest --debug tip
+  b80de5d138758541c5f05265ad144ab9fa86d1db 644   empty1
+  b80de5d138758541c5f05265ad144ab9fa86d1db 644   empty2
+  b80de5d138758541c5f05265ad144ab9fa86d1db 644   empty3
+