1 files changed, 46 insertions, 0 deletions
diff --git a/test/sleep.lua b/test/sleep.lua
new file mode 100755
index 0000000..41f7fe5
--- /dev/null
+++ b/test/sleep.lua
@@ -0,0 +1,46 @@
+#!bin/lem
+--
+-- This file is part of LEM, a Lua Event Machine.
+-- Copyright 2011-2012 Emil Renner Berthing
+--
+-- LEM is free software: you can redistribute it and/or
+-- modify it under the terms of the GNU General Public License as
+-- published by the Free Software Foundation, either version 3 of
+-- the License, or (at your option) any later version.
+--
+-- LEM is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with LEM.  If not, see <http://www.gnu.org/licenses/>.
+--
+
+local utils = require 'lem.utils'
+
+local sum, coros, n = 0, 0, 0
+local done = utils.sleeper()
+
+local function test(t)
+	local sleeper = utils.sleeper()
+	local diff = utils.now()
+	sleeper:sleep(t)
+	diff = utils.now() - diff
+
+	print(string.format('%fs, %fms off', diff, 1000*(diff - t)))
+	sum = sum + math.abs(diff - t)
+	n = n + 1
+	if n == coros then done:wakeup() end
+end
+
+for t = 0, 3, 0.1 do
+	coros = coros + 1
+	utils.spawn(test, t)
+end
+
+done:sleep()
+
+print(string.format('%fms off on average', 1000*sum / n))
+
+-- vim: syntax=lua ts=2 sw=2 noet: