diff --git a/tests/test-phases.t b/tests/test-phases.t
new file mode 100644
--- /dev/null
+++ b/tests/test-phases.t
@@ -0,0 +1,10 @@
+  $ alias hglog='hg log --template "{rev} {phase} {desc}\n"'
+
+  $ hg init initialrepo
+  $ cd initialrepo
+  $ touch sam
+  $ hg add sam
+  $ hg ci -m 'first'
+
+  $ hglog
+  0 0 first