--- a/tests/test-backout
+++ b/tests/test-backout
@@ -2,9 +2,14 @@
HGMERGE=true; export HGMERGE
-echo '# basic operation'
hg init basic
cd basic
+
+echo '# should complain'
+hg backout
+hg backout -r 0 0
+
+echo '# basic operation'
echo a > a
hg commit -d '0 0' -A -m a
echo b >> a