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ruby--ruby/test/ruby/test_sleep.rb
naruse 3e92b635fb Add frozen_string_literal: false for all files
When you change this to true, you may need to add more tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-16 05:07:31 +00:00

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Ruby

# frozen_string_literal: false
require 'test/unit'
require 'etc'
class TestSleep < Test::Unit::TestCase
def test_sleep_5sec
GC.disable
start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
sleep 5
slept = Process.clock_gettime(Process::CLOCK_MONOTONIC) - start
bottom = 5.0
assert_operator(slept, :>=, bottom)
assert_operator(slept, :<=, 6.0, "[ruby-core:18015]: longer than expected")
ensure
GC.enable
end
end