1 files changed, 117 insertions, 2 deletions
diff --git a/spec/ruby/library/socket/shared/socketpair.rb b/spec/ruby/library/socket/shared/socketpair.rb
index 03ee0e1a52..7fcd4d6b46 100644
--- a/spec/ruby/library/socket/shared/socketpair.rb
+++ b/spec/ruby/library/socket/shared/socketpair.rb
@@ -12,8 +12,123 @@ describe :socket_socketpair, shared: true do
       begin
         s1, s2 = Socket.public_send(@method, :UNIX, :STREAM)
 
-        s1.should be_an_instance_of(Socket)
-        s2.should be_an_instance_of(Socket)
+        s1.should.instance_of?(Socket)
+        s2.should.instance_of?(Socket)
+      ensure
+        s1.close
+        s2.close
+      end
+    end
+
+    describe 'using an Integer as the 1st and 2nd argument' do
+      it 'returns two Socket objects' do
+        s1, s2 = Socket.public_send(@method, Socket::AF_UNIX, Socket::SOCK_STREAM)
+
+        s1.should.instance_of?(Socket)
+        s2.should.instance_of?(Socket)
+        s1.close
+        s2.close
+      end
+    end
+
+    describe 'using a Symbol as the 1st and 2nd argument' do
+      it 'returns two Socket objects' do
+        s1, s2 = Socket.public_send(@method, :UNIX, :STREAM)
+
+        s1.should.instance_of?(Socket)
+        s2.should.instance_of?(Socket)
+        s1.close
+        s2.close
+      end
+
+      it 'raises SocketError for an unknown address family' do
+        -> { Socket.public_send(@method, :CATS, :STREAM) }.should.raise(SocketError)
+      end
+
+      it 'raises SocketError for an unknown socket type' do
+        -> { Socket.public_send(@method, :UNIX, :CATS) }.should.raise(SocketError)
+      end
+    end
+
+    describe 'using a String as the 1st and 2nd argument' do
+      it 'returns two Socket objects' do
+        s1, s2 = Socket.public_send(@method, 'UNIX', 'STREAM')
+
+        s1.should.instance_of?(Socket)
+        s2.should.instance_of?(Socket)
+        s1.close
+        s2.close
+      end
+
+      it 'raises SocketError for an unknown address family' do
+        -> { Socket.public_send(@method, 'CATS', 'STREAM') }.should.raise(SocketError)
+      end
+
+      it 'raises SocketError for an unknown socket type' do
+        -> { Socket.public_send(@method, 'UNIX', 'CATS') }.should.raise(SocketError)
+      end
+    end
+
+    describe 'using an object that responds to #to_str as the 1st and 2nd argument' do
+      it 'returns two Socket objects' do
+        family = mock(:family)
+        type   = mock(:type)
+
+        family.stub!(:to_str).and_return('UNIX')
+        type.stub!(:to_str).and_return('STREAM')
+
+        s1, s2 = Socket.public_send(@method, family, type)
+
+        s1.should.instance_of?(Socket)
+        s2.should.instance_of?(Socket)
+        s1.close
+        s2.close
+      end
+
+      it 'raises TypeError when #to_str does not return a String' do
+        family = mock(:family)
+        type   = mock(:type)
+
+        family.stub!(:to_str).and_return(Socket::AF_UNIX)
+        type.stub!(:to_str).and_return(Socket::SOCK_STREAM)
+
+        -> { Socket.public_send(@method, family, type) }.should.raise(TypeError)
+      end
+
+      it 'raises SocketError for an unknown address family' do
+        family = mock(:family)
+        type   = mock(:type)
+
+        family.stub!(:to_str).and_return('CATS')
+        type.stub!(:to_str).and_return('STREAM')
+
+        -> { Socket.public_send(@method, family, type) }.should.raise(SocketError)
+      end
+
+      it 'raises SocketError for an unknown socket type' do
+        family = mock(:family)
+        type   = mock(:type)
+
+        family.stub!(:to_str).and_return('UNIX')
+        type.stub!(:to_str).and_return('CATS')
+
+        -> { Socket.public_send(@method, family, type) }.should.raise(SocketError)
+      end
+    end
+
+    it 'accepts a custom protocol as an Integer as the 3rd argument' do
+      s1, s2 = Socket.public_send(@method, :UNIX, :STREAM, Socket::IPPROTO_IP)
+      s1.should.instance_of?(Socket)
+      s2.should.instance_of?(Socket)
+      s1.close
+      s2.close
+    end
+
+    it 'connects the returned Socket objects' do
+      s1, s2 = Socket.public_send(@method, :UNIX, :STREAM)
+      begin
+        s1.write('hello')
+        s2.recv(5).should == 'hello'
       ensure
         s1.close
         s2.close