From 2455a210b422b199c5d0dfa852b1e0123b8d2586 Mon Sep 17 00:00:00 2001
From: Luke Childs <lukechilds123@gmail.com>
Date: Fri, 23 Dec 2016 11:32:03 +0700
Subject: [PATCH] Test expired.in returns zero ms for instantly stale cache

---
 test/expired.in.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/expired.in.js b/test/expired.in.js
index 49a6358..9be4ed3 100644
--- a/test/expired.in.js
+++ b/test/expired.in.js
@@ -19,3 +19,16 @@ test('expired.in returns positive ms for valid cache', t => {
 	t.is(expired.in(headers), maxAge * 1000);
 	tk.reset();
 });
+
+test('expired.in returns zero ms for instantly stale cache', t => {
+	const date = new Date().toUTCString();
+	const headers = {
+		date: date,
+		age: 0,
+		'cache-control': `public, max-age=0`
+	};
+
+	tk.freeze(date);
+	t.is(expired.in(headers), 0);
+	tk.reset();
+});