From 6f4862659f7f86e1637fe579343bc878f499d9bf Mon Sep 17 00:00:00 2001
From: Frank Wessels <fwessels@xs4all.nl>
Date: Mon, 12 Jun 2017 17:20:29 -0700
Subject: [PATCH] Investigate issue #4461 (#4521)

* Code to investigate issue #4461 (rare test failure in TestListenAndServeTLS)

* Use UTCNow() instead of time.Now().UTC()
---
 cmd/server-mux_test.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmd/server-mux_test.go b/cmd/server-mux_test.go
index 614621b2f..4a4007710 100644
--- a/cmd/server-mux_test.go
+++ b/cmd/server-mux_test.go
@@ -390,11 +390,17 @@ func TestServerListenAndServeTLS(t *testing.T) {
 			Transport: tr,
 		}
 		// Keep trying the server until it's accepting connections
+		start := UTCNow()
 		for {
 			res, _ := client.Get("https://" + addr)
 			if res != nil && res.StatusCode == http.StatusOK {
 				break
 			}
+			// Explicit check to terminate loop after 5 minutes
+			// (for investigational purpose of issue #4461)
+			if UTCNow().Sub(start) >= 5*time.Minute {
+				t.Fatalf("Failed to establish connection after 5 minutes")
+			}
 		}
 
 		// Once a request succeeds, subsequent requests should