test/test_timeout.rb: backported from 1.9.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@23303 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/test_timeout.rb

@@ -0,0 +1,26 @@
+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) {
+        nil while @flag
+      }
+    end
+    assert !@flag, "[ruby-dev:38319]"
+  end
+end