From 38ac92b0df128fea95cb790f2920d747045598df Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Thu, 22 Mar 2018 07:56:01 +0000
Subject: util.async: Add once() to create temporary runners

---
 spec/util_async_spec.lua | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'spec')

diff --git a/spec/util_async_spec.lua b/spec/util_async_spec.lua
index ac71e755..f7e469c9 100644
--- a/spec/util_async_spec.lua
+++ b/spec/util_async_spec.lua
@@ -593,4 +593,14 @@ describe("util.async", function()
 			assert.spy(r.watchers.error).was_not.called();
 		end);
 	end);
+
+	describe("#once()", function ()
+		it("should work", function ()
+			local f = spy.new(function ()
+				assert.truthy(async.ready());
+			end);
+			async.once(f);
+			assert.spy(f).was.called();
+		end);
+	end);
 end);
-- 
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