1 files changed, 25 insertions, 0 deletions
diff --git a/spec/ruby/library/thread/sizedqueue/new_spec.rb b/spec/ruby/library/thread/sizedqueue/new_spec.rb
new file mode 100644
index 0000000000..a36aa5ed18
--- /dev/null
+++ b/spec/ruby/library/thread/sizedqueue/new_spec.rb
@@ -0,0 +1,25 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'thread'
+
+describe "Thread::SizedQueue#new" do
+  it "returns a new SizedQueue" do
+    SizedQueue.new(1).should be_kind_of(SizedQueue)
+  end
+
+  it "raises a TypeError when the given argument is not Numeric" do
+    lambda { SizedQueue.new("foo") }.should raise_error(TypeError)
+    lambda { SizedQueue.new(Object.new) }.should raise_error(TypeError)
+  end
+
+  it "raises an argument error when no argument is given" do
+    lambda { SizedQueue.new }.should raise_error(ArgumentError)
+  end
+
+  it "raises an argument error when the given argument is zero" do
+    lambda { SizedQueue.new(0) }.should raise_error(ArgumentError)
+  end
+
+  it "raises an argument error when the given argument is negative" do
+    lambda { SizedQueue.new(-1) }.should raise_error(ArgumentError)
+  end
+end