From 5874d0cb08080846d419f7a50b3c338c91236395 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1rk=20S=C3=A1gi-Kaz=C3=A1r?=
 <mark.sagikazar@gmail.com>
Date: Tue, 16 Jan 2018 13:32:03 +0100
Subject: [PATCH] Add test case for empty environment variable

---
 viper_test.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/viper_test.go b/viper_test.go
index c93480e..73ff024 100644
--- a/viper_test.go
+++ b/viper_test.go
@@ -381,6 +381,20 @@ func TestEnv(t *testing.T) {
 
 }
 
+func TestEmptyEnv(t *testing.T) {
+	initJSON()
+
+	BindEnv("type") // Empty environment variable
+	BindEnv("name") // Bound, but not set environment variable
+
+	os.Clearenv()
+
+	os.Setenv("TYPE", "")
+
+	assert.Equal(t, "", Get("type"))
+	assert.Equal(t, "Cake", Get("name"))
+}
+
 func TestEnvPrefix(t *testing.T) {
 	initJSON()