From e3f32ac5af69641d12ad07a52f3ab495f61938f1 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Mon, 29 Mar 2010 09:43:55 +0000
Subject: [PATCH]

---
 src/libexpr/eval-test.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libexpr/eval-test.cc b/src/libexpr/eval-test.cc
index 6f686bd6b..983cac951 100644
--- a/src/libexpr/eval-test.cc
+++ b/src/libexpr/eval-test.cc
@@ -686,6 +686,7 @@ void run(Strings args)
     doTest("true == false");
     doTest("__head [ 1 2 3 ]");
     doTest("__add 1 2");
+    doTest("null");
     doTest("\"foo\"");
     doTest("let s = \"bar\"; in \"foo${s}\"");