From f0faf9b117f8c3ada2f9b81c261be527ff060d1d Mon Sep 17 00:00:00 2001
From: Brian Cavalier <brian@hovercraftstudios.com>
Date: Sun, 11 Mar 2012 19:36:47 -0400
Subject: [PATCH] Another unit test to cover the specific case in #23

---
 test/promise.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/test/promise.js b/test/promise.js
index 42b29a4f..af86a7fb 100644
--- a/test/promise.js
+++ b/test/promise.js
@@ -66,6 +66,28 @@ buster.testCase('promise', {
 
 	},
 
+	'should forward result when callback is null': function(done) {
+		var d = when.defer();
+
+		function fail(e) {
+			buster.fail(e);
+			done();
+		}
+
+		d.promise.then(
+			null,
+			fail
+		).then(
+			function(val) {
+				assert.equals(val, 1);
+				done();
+			},
+			fail
+		);
+
+		d.resolve(1);
+	},
+
 	'should forward callback result to next callback': function(done) {
 		var d = when.defer();