8 files changed, 132 insertions, 0 deletions
diff --git a/spec/rubyspec/library/thread/shared/queue/clear.rb b/spec/rubyspec/library/thread/shared/queue/clear.rb
new file mode 100644
index 0000000000..59ea37d615
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/clear.rb
@@ -0,0 +1,10 @@
+describe :queue_clear, shared: true do
+  it "removes all objects from the queue" do
+    queue = @object.call
+    queue << Object.new
+    queue << 1
+    queue.empty?.should be_false
+    queue.clear
+    queue.empty?.should be_true
+  end
+end
diff --git a/spec/rubyspec/library/thread/shared/queue/close.rb b/spec/rubyspec/library/thread/shared/queue/close.rb
new file mode 100644
index 0000000000..4457f3ae8b
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/close.rb
@@ -0,0 +1,26 @@
+describe :queue_close, shared: true do
+  it "closes the queue and returns nil for further #pop" do
+    q = @object.call
+    q << 1
+    q.close
+    q.pop.should == 1
+    q.pop.should == nil
+    q.pop.should == nil
+  end
+
+  it "prevents further #push" do
+    q = @object.call
+    q.close
+    lambda {
+      q << 1
+    }.should raise_error(ClosedQueueError)
+  end
+
+  it "may be called multiple times" do
+    q = @object.call
+    q.close
+    q.closed?.should be_true
+    q.close # no effect
+    q.closed?.should be_true
+  end
+end
diff --git a/spec/rubyspec/library/thread/shared/queue/closed.rb b/spec/rubyspec/library/thread/shared/queue/closed.rb
new file mode 100644
index 0000000000..b3cea0c524
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/closed.rb
@@ -0,0 +1,12 @@
+describe :queue_closed?, shared: true do
+  it "returns false initially" do
+    queue = @object.call
+    queue.closed?.should be_false
+  end
+
+  it "returns true when the queue is closed" do
+    queue = @object.call
+    queue.close
+    queue.closed?.should be_true
+  end
+end
diff --git a/spec/rubyspec/library/thread/shared/queue/deque.rb b/spec/rubyspec/library/thread/shared/queue/deque.rb
new file mode 100644
index 0000000000..1b06dffa2c
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/deque.rb
@@ -0,0 +1,37 @@
+describe :queue_deq, shared: true do
+  it "removes an item from the Queue" do
+    q = @object.call
+    q << Object.new
+    q.size.should == 1
+    q.send(@method)
+    q.size.should == 0
+  end
+
+  it "returns items in the order they were added" do
+    q = @object.call
+    q << 1
+    q << 2
+    q.send(@method).should == 1
+    q.send(@method).should == 2
+  end
+
+  it "blocks the thread until there are items in the queue" do
+    q = @object.call
+    v = 0
+
+    th = Thread.new do
+      q.send(@method)
+      v = 1
+    end
+
+    v.should == 0
+    q << Object.new
+    th.join
+    v.should == 1
+  end
+
+  it "raises a ThreadError if Queue is empty" do
+    q = @object.call
+    lambda { q.send(@method,true) }.should raise_error(ThreadError)
+  end
+end
diff --git a/spec/rubyspec/library/thread/shared/queue/empty.rb b/spec/rubyspec/library/thread/shared/queue/empty.rb
new file mode 100644
index 0000000000..4acd831d48
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/empty.rb
@@ -0,0 +1,12 @@
+describe :queue_empty?, shared: true do
+  it "returns true on an empty Queue" do
+    queue = @object.call
+    queue.empty?.should be_true
+  end
+
+  it "returns false when Queue is not empty" do
+    queue = @object.call
+    queue << Object.new
+    queue.empty?.should be_false
+  end
+end
diff --git a/spec/rubyspec/library/thread/shared/queue/enque.rb b/spec/rubyspec/library/thread/shared/queue/enque.rb
new file mode 100644
index 0000000000..36b98d3a07
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/enque.rb
@@ -0,0 +1,10 @@
+describe :queue_enq, shared: true do
+  it "adds an element to the Queue" do
+    q = @object.call
+    q.size.should == 0
+    q.send(@method, Object.new)
+    q.size.should == 1
+    q.send(@method, Object.new)
+    q.size.should == 2
+  end
+end
diff --git a/spec/rubyspec/library/thread/shared/queue/length.rb b/spec/rubyspec/library/thread/shared/queue/length.rb
new file mode 100644
index 0000000000..a0143a4e19
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/length.rb
@@ -0,0 +1,9 @@
+describe :queue_length, shared: true do
+  it "returns the number of elements" do
+    q = @object.call
+    q.send(@method).should == 0
+    q << Object.new
+    q << Object.new
+    q.send(@method).should == 2
+  end
+end
diff --git a/spec/rubyspec/library/thread/shared/queue/num_waiting.rb b/spec/rubyspec/library/thread/shared/queue/num_waiting.rb
new file mode 100644
index 0000000000..b054951e45
--- /dev/null
+++ b/spec/rubyspec/library/thread/shared/queue/num_waiting.rb
@@ -0,0 +1,16 @@
+describe :queue_num_waiting, shared: true do
+  it "reports the number of threads waiting on the queue" do
+    q = @object.call
+    threads = []
+
+    5.times do |i|
+      q.num_waiting.should == i
+      t = Thread.new { q.deq }
+      Thread.pass until q.num_waiting == i+1
+      threads << t
+    end
+
+    threads.each { q.enq Object.new }
+    threads.each {|t| t.join }
+  end
+end