diff --git a/tests/test-children.out b/tests/test-children.out
new file mode 100644
--- /dev/null
+++ b/tests/test-children.out
@@ -0,0 +1,52 @@
+% init
+% no working directory
+abort: All non-merge changesets are children of the null revision!
+% setup
+0 files updated, 0 files merged, 2 files removed, 0 files unresolved
+% hg children at revision 3 (tip)
+0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+% hg children at nullrev (should be 0 and 3)
+2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+% hg children at revision 1 (should be 2)
+changeset:   2:8f5eea5023c2
+user:        test
+date:        Thu Jan 01 00:00:02 1970 +0000
+summary:     2
+
+1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+% hg children at revision 2 (other head)
+% hg children -r null
+abort: All non-merge changesets are children of the null revision!
+% hg children -r 0
+changeset:   1:708c093edef0
+user:        test
+date:        Thu Jan 01 00:00:01 1970 +0000
+summary:     1
+
+% hg children -r 1
+changeset:   2:8f5eea5023c2
+user:        test
+date:        Thu Jan 01 00:00:02 1970 +0000
+summary:     2
+
+% hg children -r 2
+% hg children -r 3
+% hg children -r 0 file0 (should be 2)
+changeset:   2:8f5eea5023c2
+user:        test
+date:        Thu Jan 01 00:00:02 1970 +0000
+summary:     2
+
+% hg children -r 1 file0 (should be 2)
+changeset:   2:8f5eea5023c2
+user:        test
+date:        Thu Jan 01 00:00:02 1970 +0000
+summary:     2
+
+1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+% hg children file0 at revision 0 (should be 2)
+changeset:   2:8f5eea5023c2
+user:        test
+date:        Thu Jan 01 00:00:02 1970 +0000
+summary:     2
+