diff --git a/tests/test-diff-newlines.out b/tests/test-diff-newlines.out
new file mode 100644
--- /dev/null
+++ b/tests/test-diff-newlines.out
@@ -0,0 +1,8 @@
+adding a
+diff -r 107ba6f817b5 -r 310ce7989cdc a
+--- a/a	Thu Jan 01 00:00:01 1970 +0000
++++ b/a	Thu Jan 01 00:00:02 1970 +0000
+@@ -1,2 +1,3 @@ confuse str.splitlines
+ confuse str.splitlines
+ embedded
newline
++clean diff