Re-add specs

* This reverts commit 325fd38901.
* Platform guards in the next commit.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64414 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/library/socket/ancillarydata/cmsg_is_spec.rb

@@ -0,0 +1,31 @@
+require_relative '../spec_helper'
+
+with_feature :ancillary_data do
+  describe 'Socket::AncillaryData#cmsg_is?' do
+    describe 'using :INET, :IP, :TTL as the family, level, and type' do
+      before do
+        @data = Socket::AncillaryData.new(:INET, :IP, :TTL, '')
+      end
+
+      it 'returns true when comparing with IPPROTO_IP and IP_TTL' do
+        @data.cmsg_is?(Socket::IPPROTO_IP, Socket::IP_TTL).should == true
+      end
+
+      it 'returns true when comparing with :IP and :TTL' do
+        @data.cmsg_is?(:IP, :TTL).should == true
+      end
+
+      it 'returns false when comparing with :IP and :PKTINFO' do
+        @data.cmsg_is?(:IP, :PKTINFO).should == false
+      end
+
+      it 'returns false when comparing with :SOCKET and :RIGHTS' do
+        @data.cmsg_is?(:SOCKET, :RIGHTS).should == false
+      end
+
+      it 'raises SocketError when comparign with :IPV6 and :RIGHTS' do
+        lambda { @data.cmsg_is?(:IPV6, :RIGHTS) }.should raise_error(SocketError)
+      end
+    end
+  end
+end

spec/ruby/library/socket/ancillarydata/ip_pktinfo_spec.rb

@@ -0,0 +1,145 @@
+require_relative '../spec_helper'
+
+with_feature :ancillary_data do
+  describe 'Socket::AncillaryData.ip_pktinfo' do
+    describe 'with a source address and index' do
+      before do
+        @data = Socket::AncillaryData.ip_pktinfo(Addrinfo.ip('127.0.0.1'), 4)
+      end
+
+      it 'returns a Socket::AncillaryData' do
+        @data.should be_an_instance_of(Socket::AncillaryData)
+      end
+
+      it 'sets the family to AF_INET' do
+        @data.family.should == Socket::AF_INET
+      end
+
+      it 'sets the level to IPPROTO_IP' do
+        @data.level.should == Socket::IPPROTO_IP
+      end
+
+      it 'sets the type to IP_PKTINFO' do
+        @data.type.should == Socket::IP_PKTINFO
+      end
+    end
+
+    describe 'with a source address, index, and destination address' do
+      before do
+        source = Addrinfo.ip('127.0.0.1')
+        dest   = Addrinfo.ip('127.0.0.5')
+        @data  = Socket::AncillaryData.ip_pktinfo(source, 4, dest)
+      end
+
+      it 'returns a Socket::AncillaryData' do
+        @data.should be_an_instance_of(Socket::AncillaryData)
+      end
+
+      it 'sets the family to AF_INET' do
+        @data.family.should == Socket::AF_INET
+      end
+
+      it 'sets the level to IPPROTO_IP' do
+        @data.level.should == Socket::IPPROTO_IP
+      end
+
+      it 'sets the type to IP_PKTINFO' do
+        @data.type.should == Socket::IP_PKTINFO
+      end
+    end
+  end
+
+  describe 'Socket::AncillaryData#ip_pktinfo' do
+    describe 'using an Addrinfo without a port number' do
+      before do
+        @source = Addrinfo.ip('127.0.0.1')
+        @dest   = Addrinfo.ip('127.0.0.5')
+        @data   = Socket::AncillaryData.ip_pktinfo(@source, 4, @dest)
+      end
+
+      it 'returns an Array' do
+        @data.ip_pktinfo.should be_an_instance_of(Array)
+      end
+
+      describe 'the returned Array' do
+        before do
+          @info = @data.ip_pktinfo
+        end
+
+        it 'stores an Addrinfo at index 0' do
+          @info[0].should be_an_instance_of(Addrinfo)
+        end
+
+        it 'stores the ifindex at index 1' do
+          @info[1].should be_an_instance_of(Fixnum)
+        end
+
+        it 'stores an Addrinfo at index 2' do
+          @info[2].should be_an_instance_of(Addrinfo)
+        end
+      end
+
+      describe 'the source Addrinfo' do
+        before do
+          @addr = @data.ip_pktinfo[0]
+        end
+
+        it 'uses the correct IP address' do
+          @addr.ip_address.should == '127.0.0.1'
+        end
+
+        it 'is not the same object as the input Addrinfo' do
+          @addr.should_not == @source
+        end
+      end
+
+      describe 'the ifindex' do
+        it 'is a Fixnum' do
+          @data.ip_pktinfo[1].should == 4
+        end
+      end
+
+      describe 'the destination Addrinfo' do
+        before do
+          @addr = @data.ip_pktinfo[2]
+        end
+
+        it 'uses the correct IP address' do
+          @addr.ip_address.should == '127.0.0.5'
+        end
+
+        it 'is not the same object as the input Addrinfo' do
+          @addr.should_not == @dest
+        end
+      end
+    end
+
+    describe 'using an Addrinfo with a port number' do
+      before do
+        @source = Addrinfo.tcp('127.0.0.1', 80)
+        @dest   = Addrinfo.tcp('127.0.0.5', 85)
+        @data   = Socket::AncillaryData.ip_pktinfo(@source, 4, @dest)
+      end
+
+      describe 'the source Addrinfo' do
+        before do
+          @addr = @data.ip_pktinfo[0]
+        end
+
+        it 'does not contain a port number' do
+          @addr.ip_port.should == 0
+        end
+      end
+
+      describe 'the destination Addrinfo' do
+        before do
+          @addr = @data.ip_pktinfo[2]
+        end
+
+        it 'does not contain a port number' do
+          @addr.ip_port.should == 0
+        end
+      end
+    end
+  end
+end