diff --git a/tests/test-parentrevspec.out b/tests/test-parentrevspec.out
new file mode 100644
--- /dev/null
+++ b/tests/test-parentrevspec.out
@@ -0,0 +1,44 @@
+6:755d1e0d79e9 
+5:9ce2ce29723a 3:a3e00c7dbf11 4:bb4475edb621 
+4:bb4475edb621 1:5d953a1917d1 
+3:a3e00c7dbf11 
+2:befc7d89d081 
+1:5d953a1917d1 
+0:837088b6e1d9 
+
+should work with tag/branch/node/rev
+tip^: 5
+default^: 5
+755d1e0d79e9^: 5
+6^: 5
+
+some random lookups
+6^^: 3
+6^^^: 2
+6^^^^: 1
+6^^^^^: 0
+6^^^^^^: -1
+6^1: 5
+6^2: abort: unknown revision '6^2'!
+6^^2: 4
+6^1^2: 4
+6^^3: abort: unknown revision '6^^3'!
+6~: abort: unknown revision '6~'!
+6~1: 5
+6~2: 3
+6~3: 2
+6~4: 1
+6~5: 0
+6~42: -1
+6~1^2: 4
+6~1^2~2: 0
+
+with a tag "6^" pointing to rev 1
+6^: 1
+6^1: 5
+6~1: 5
+6^^: 3
+
+with a tag "foo^bar" pointing to rev 2
+foo^bar: 2
+foo^bar^: abort: unknown revision 'foo^bar^'!