1 files changed, 14 insertions, 0 deletions
diff --git a/test/thread/test_queue.rb b/test/thread/test_queue.rb
index e1ead47197..51da231736 100644
--- a/test/thread/test_queue.rb
+++ b/test/thread/test_queue.rb
@@ -74,6 +74,13 @@ class TestQueue < Test::Unit::TestCase
     assert_equal(0, q.num_waiting)
   end
 
+  def test_queue_pop_non_block
+    q = Queue.new
+    assert_raise_with_message(ThreadError, /empty/) do
+      q.pop(true)
+    end
+  end
+
   def test_sized_queue_pop_interrupt
     q = SizedQueue.new(1)
     t1 = Thread.new { q.pop }
@@ -82,6 +89,13 @@ class TestQueue < Test::Unit::TestCase
     assert_equal(0, q.num_waiting)
   end
 
+  def test_sized_queue_pop_non_block
+    q = SizedQueue.new(1)
+    assert_raise_with_message(ThreadError, /empty/) do
+      q.pop(true)
+    end
+  end
+
   def test_sized_queue_push_interrupt
     q = SizedQueue.new(1)
     q.push(1)