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-rw-r--r--ruby_1_8_6/test/thread/test_thread.rb119
1 files changed, 119 insertions, 0 deletions
diff --git a/ruby_1_8_6/test/thread/test_thread.rb b/ruby_1_8_6/test/thread/test_thread.rb
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+++ b/ruby_1_8_6/test/thread/test_thread.rb
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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
+
+ # This test checks that a thread in Mutex#lock which is raised is
+ # completely removed from the wait_list of the mutex
+ def test_mutex_exception_handling
+ m = Mutex.new
+ m.lock
+
+ sleeping = false
+ t = Thread.new do
+ begin
+ m.lock
+ rescue
+ end
+
+ sleeping = true
+ # Keep that thread alive: if the thread returns, the test method
+ # won't be able to check that +m+ has not been taken (dead mutex
+ # owners are ignored)
+ sleep
+ end
+
+ # Wait for t to wait for the mutex and raise it
+ while true
+ sleep 0.1
+ break if t.stop?
+ end
+ t.raise ArgumentError
+ assert(t.alive? || sleeping)
+
+ # Wait for +t+ to reach the sleep
+ while true
+ sleep 0.1
+ break if t.stop?
+ end
+
+ # Now unlock. The mutex should be free, so Mutex#unlock should return nil
+ assert(! m.unlock)
+ end
+end
+