From 96275ee66a13c01ba0e17a40b33685635fdd3aea Mon Sep 17 00:00:00 2001
From: Tomas Doran <tdoran@yelp.com>
Date: Sun, 25 Oct 2015 18:55:21 +0000
Subject: [PATCH] Add an explicit test for PR #2973

---
 config/interpolate_funcs_test.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/config/interpolate_funcs_test.go b/config/interpolate_funcs_test.go
index 7b7311fd4f..bbfdd484ad 100644
--- a/config/interpolate_funcs_test.go
+++ b/config/interpolate_funcs_test.go
@@ -506,6 +506,12 @@ func TestInterpolateFuncLength(t *testing.T) {
 				"5",
 				false,
 			},
+			// Want length 0 if we split an empty string then compact
+			{
+				`${length(compact(split(",", "")))}`,
+				"0",
+				false,
+			},
 		},
 	})
 }