1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/socket/unpack_sockaddr_in_spec.rb b/spec/ruby/library/socket/socket/unpack_sockaddr_in_spec.rb
new file mode 100644
index 0000000000..91d2b947a1
--- /dev/null
+++ b/spec/ruby/library/socket/socket/unpack_sockaddr_in_spec.rb
@@ -0,0 +1,29 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+require 'socket'
+
+describe "Socket.unpack_sockaddr_in" do
+
+  it "decodes the host name and port number of a packed sockaddr_in" do
+    sockaddr = Socket.sockaddr_in 3333, '127.0.0.1'
+    Socket.unpack_sockaddr_in(sockaddr).should == [3333, '127.0.0.1']
+  end
+
+  it "gets the hostname and port number from a passed Addrinfo" do
+    addrinfo = Addrinfo.tcp('127.0.0.1', 3333)
+    Socket.unpack_sockaddr_in(addrinfo).should == [3333, '127.0.0.1']
+  end
+
+  platform_is_not :windows do
+    it "raises an ArgumentError when the sin_family is not AF_INET" do
+      sockaddr = Socket.sockaddr_un '/tmp/x'
+      lambda { Socket.unpack_sockaddr_in sockaddr }.should raise_error(ArgumentError)
+    end
+
+    it "raises an ArgumentError when passed addrinfo is not AF_INET/AF_INET6" do
+      addrinfo = Addrinfo.unix('/tmp/sock')
+      lambda { Socket.unpack_sockaddr_in(addrinfo) }.should raise_error(ArgumentError)
+    end
+  end
+
+end