From a1cd868c0224f16d921a25f04cbc39cb03a5471d Mon Sep 17 00:00:00 2001
From: Phil Booth <pmbooth@gmail.com>
Date: Wed, 26 Sep 2018 06:49:21 +0100
Subject: Treat empty environment variables as unset

---
 tests/env.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'tests')

diff --git a/tests/env.rs b/tests/env.rs
index 932d2fc..d1cb11a 100644
--- a/tests/env.rs
+++ b/tests/env.rs
@@ -60,3 +60,15 @@ fn test_separator_behavior() {
 
     env::remove_var("C_B_A");
 }
+
+#[test]
+#[cfg(feature = "ignore-empty-env-vars")]
+fn test_empty_value_is_ignored() {
+    env::set_var("C_A_B", "");
+
+    let environment = Environment::new();
+
+    assert!(!environment.collect().unwrap().contains_key("c_a_b"));
+
+    env::remove_var("C_A_B");
+}
-- 
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