diff --git a/tests/test-commit b/tests/test-commit
new file mode 100755
--- /dev/null
+++ b/tests/test-commit
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+hg init test
+cd test
+echo foo > foo
+hg add foo
+hg commit -d '0 0' -m commit-1
+echo foo >> foo
+hg commit -d '1 4444444' -m commit-3
+hg commit -d '1	15.1' -m commit-4
+hg commit -d 'foo bar' -m commit-5
+hg commit -d ' 1 4444' -m commit-6
+hg commit -d '111111111111 0' -m commit-7