1 files changed, 27 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/addrinfo/canonname_spec.rb b/spec/ruby/library/socket/addrinfo/canonname_spec.rb
new file mode 100644
index 0000000000..efd3147125
--- /dev/null
+++ b/spec/ruby/library/socket/addrinfo/canonname_spec.rb
@@ -0,0 +1,27 @@
+require_relative '../spec_helper'
+require_relative '../fixtures/classes'
+
+describe "Addrinfo#canonname" do
+
+  before :each do
+    @addrinfos = Addrinfo.getaddrinfo("localhost", 80, :INET, :STREAM, nil, Socket::AI_CANONNAME)
+  end
+
+  it "returns the canonical name for a host" do
+    canonname = @addrinfos.map { |a| a.canonname }.find { |name| name and name.include?("localhost") }
+    if canonname
+      canonname.should.include?("localhost")
+    else
+      canonname.should == nil
+    end
+  end
+
+  describe 'when the canonical name is not available' do
+    it 'returns nil' do
+      addr = Addrinfo.new(Socket.sockaddr_in(0, '127.0.0.1'))
+
+      addr.canonname.should == nil
+    end
+  end
+
+end