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require 'test/unit'
require 'timeout'
require 'thread'
class TestTimeout < Test::Unit::TestCase
def test_queue
q = Queue.new
assert_raise(Timeout::Error, "[ruby-dev:32935]") {
timeout(0.1) { q.pop }
}
end
def test_timeout
@flag = true
Thread.start {
sleep 0.1
@flag = false
}
assert_nothing_raised("[ruby-dev:38319]") do
Timeout.timeout(1) {
sleep 0.01 while @flag
}
end
assert !@flag, "[ruby-dev:38319]"
end
def test_cannot_convert_into_time_interval
bug3168 = '[ruby-dev:41010]'
def (n = Object.new).zero?; false; end
assert_raise(TypeError, bug3168) {Timeout.timeout(n) { sleep 0.1 }}
end
def test_timeout_immediate
begin
t = Thread.new {
Timeout.timeout(0.1, immediate: true) {
# loop forever, but can be interrupted
loop {}
}
}
sleep 0.5
t.raise RuntimeError
assert_raise(Timeout::Error) {
t.join
}
ensure
t.kill if t.alive?
begin
t.join
rescue Exception
end
end
end
def test_timeout_immediate2
begin
t = Thread.new {
Timeout.timeout(0.1) {
# loop forever, must not interrupted
loop {}
}
}
sleep 0.5
t.raise RuntimeError
assert_raise(Timeout::Error) {
# deferred interrupt should raise
t.join
}
ensure
t.kill if t.alive?
begin
t.join
rescue Exception
end
end
end
def test_timeout_blocking
t0 = Time.now
begin
Timeout.timeout(0.1) {
while true do
t1 = Time.now
break if t1 - t0 > 1
end
sleep 2
}
rescue Timeout::Error
end
t1 = Time.now
assert (t1 - t0) >= 1
assert (t1 - t0) < 2
end
end
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