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# -*- ruby-indent-level: 4 -*-
require 'thread'
require 'test/unit'
class TC_Thread < Test::Unit::TestCase
def setup
Thread.abort_on_exception = true
end
def teardown
Thread.abort_on_exception = false
end
def test_condvar
mutex = Mutex.new
condvar = ConditionVariable.new
result = []
mutex.synchronize do
t = Thread.new do
mutex.synchronize do
result << 1
condvar.signal
end
end
result << 0
condvar.wait(mutex)
result << 2
t.join
end
assert_equal([0, 1, 2], result)
end
def test_condvar_wait_not_owner
mutex = Mutex.new
condvar = ConditionVariable.new
assert_raises(ThreadError) { condvar.wait(mutex) }
end
def test_condvar_wait_exception_handling
# Calling wait in the only thread running should raise a ThreadError of
# 'stopping only thread'
mutex = Mutex.new
condvar = ConditionVariable.new
Thread.abort_on_exception = false
locked = false
thread = Thread.new do
mutex.synchronize do
begin
condvar.wait(mutex)
rescue Exception
locked = mutex.locked?
raise
end
end
end
while !thread.stop?
sleep(0.1)
end
thread.raise Interrupt, "interrupt a dead condition variable"
assert_raises(Interrupt) { thread.value }
assert(locked)
end
def test_local_barrier
dir = File.dirname(__FILE__)
lbtest = File.join(dir, "lbtest.rb")
$:.unshift File.join(File.dirname(dir), 'ruby')
require 'envutil'
$:.shift
10.times {
result = `#{EnvUtil.rubybin} #{lbtest}`
assert(!$?.coredump?, '[ruby-dev:30653]')
assert_equal("exit.", result[/.*\Z/], '[ruby-dev:30653]')
}
end
end
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