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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Kernel#sleep" do
it "is a private method" do
Kernel.should have_private_instance_method(:sleep)
end
it "pauses execution for approximately the duration requested" do
duration = 0.1
start = Time.now
sleep duration
(Time.now - start).should be_close(duration, 0.1)
end
it "returns the rounded number of seconds asleep" do
sleep(0.01).should be_kind_of(Integer)
end
it "raises a TypeError when passed a non-numeric duration" do
lambda { sleep(nil) }.should raise_error(TypeError)
lambda { sleep('now') }.should raise_error(TypeError)
lambda { sleep('2') }.should raise_error(TypeError)
end
it "pauses execution indefinitely if not given a duration" do
lock = Channel.new
t = Thread.new do
lock << :ready
sleep
5
end
lock.receive.should == :ready
# wait until the thread has gone to sleep
Thread.pass while t.status and t.status != "sleep"
t.run
t.value.should == 5
end
end
describe "Kernel.sleep" do
it "needs to be reviewed for spec completeness"
end
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