1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/ipsocket/getaddress_spec.rb b/spec/ruby/library/socket/ipsocket/getaddress_spec.rb
new file mode 100644
index 0000000000..d302cd6a8a
--- /dev/null
+++ b/spec/ruby/library/socket/ipsocket/getaddress_spec.rb
@@ -0,0 +1,28 @@
+require_relative '../spec_helper'
+require_relative '../fixtures/classes'
+
+describe "Socket::IPSocket#getaddress" do
+  it "returns the IP address of hostname" do
+    addr_local = IPSocket.getaddress(SocketSpecs.hostname)
+    ["127.0.0.1", "::1"].include?(addr_local).should == true
+  end
+
+  it "returns the IP address when passed an IP" do
+    IPSocket.getaddress("127.0.0.1").should == "127.0.0.1"
+    IPSocket.getaddress("0.0.0.0").should == "0.0.0.0"
+    IPSocket.getaddress('::1').should == '::1'
+  end
+
+  it 'returns IPv4 compatible IPv6 addresses' do
+    IPSocket.getaddress('::ffff:192.168.1.1').should == '::ffff:192.168.1.1'
+  end
+
+  # There is no way to make this fail-proof on all machines, because
+  # DNS servers like opendns return A records for ANY host, including
+  # traditionally invalidly named ones.
+  it "raises an error on unknown hostnames" do
+    -> {
+      IPSocket.getaddress("rubyspecdoesntexist.ruby-lang.org")
+    }.should.raise(SocketError)
+  end
+end