From 7f386b175c2e0f7b76a6e21e38bbbff2f6083d0c Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Mon, 4 Dec 2017 22:18:11 +0100
Subject: [PATCH] test: retry(): fix time calculation

libuv caches the results of uv.now() until the next loop tick. If a test
does not spin the libuv event loop, retry() enters an infinite cycle.
---
 test/functional/helpers.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/functional/helpers.lua b/test/functional/helpers.lua
index da334d4ac6..1709427d59 100644
--- a/test/functional/helpers.lua
+++ b/test/functional/helpers.lua
@@ -261,6 +261,7 @@ local function retry(max, max_ms, fn)
     if status then
       return result
     end
+    luv.update_time()  -- Update cached value of luv.now() (libuv: uv_now()).
     if (max and tries >= max) or (luv.now() - start_time > timeout) then
       if type(result) == "string" then
         result = "\nretry() attempts: "..tostring(tries).."\n"..result