1 files changed, 64 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/addrinfo/ip_address_spec.rb b/spec/ruby/library/socket/addrinfo/ip_address_spec.rb
new file mode 100644
index 0000000000..9a0ede4eeb
--- /dev/null
+++ b/spec/ruby/library/socket/addrinfo/ip_address_spec.rb
@@ -0,0 +1,64 @@
+require_relative '../spec_helper'
+
+describe "Addrinfo#ip_address" do
+  describe "for an ipv4 socket" do
+    before :each do
+      @addrinfo = Addrinfo.tcp("127.0.0.1", 80)
+    end
+
+    it "returns the ip address" do
+      @addrinfo.ip_address.should == "127.0.0.1"
+    end
+  end
+
+  describe "for an ipv6 socket" do
+    before :each do
+      @addrinfo = Addrinfo.tcp("::1", 80)
+    end
+
+    it "returns the ip address" do
+      @addrinfo.ip_address.should == "::1"
+    end
+  end
+
+  describe "for a unix socket" do
+    before :each do
+      @addrinfo = Addrinfo.unix("/tmp/sock")
+    end
+
+    it "raises an exception" do
+      -> { @addrinfo.ip_address }.should.raise(SocketError)
+    end
+  end
+
+  describe 'with an Array as the socket address' do
+    it 'returns the IP as a String' do
+      sockaddr = ['AF_INET', 80, 'localhost', '127.0.0.1']
+      addr     = Addrinfo.new(sockaddr)
+
+      addr.ip_address.should == '127.0.0.1'
+    end
+  end
+
+  describe 'without an IP address' do
+    before do
+      @ips = ['127.0.0.1', '0.0.0.0', '::1']
+    end
+
+    # Both these cases seem to return different values at times on MRI. Since
+    # this is network dependent we can't rely on an exact IP being returned.
+    it 'returns the local IP address when using an empty String as the IP' do
+      sockaddr = Socket.sockaddr_in(80, '')
+      addr     = Addrinfo.new(sockaddr)
+
+      @ips.include?(addr.ip_address).should == true
+    end
+
+    it 'returns the local IP address when using nil as the IP' do
+      sockaddr = Socket.sockaddr_in(80, nil)
+      addr     = Addrinfo.new(sockaddr)
+
+      @ips.include?(addr.ip_address).should == true
+    end
+  end
+end