* merge -r 12066:12069

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@12077 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 67 insertions, 0 deletions

diff --git a/test/thread/test_thread.rb b/test/thread/test_thread.rb
new file mode 100644
index 0000000000..abdcebffcf
--- /dev/null
+++ b/test/thread/test_thread.rb
@@ -0,0 +1,67 @@
+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
+end
+