Delegates and unit tests for identity/extensions.
diff --git a/acceptance/rackspace/identity/v2/extension_test.go b/acceptance/rackspace/identity/v2/extension_test.go
new file mode 100644
index 0000000..a50e015
--- /dev/null
+++ b/acceptance/rackspace/identity/v2/extension_test.go
@@ -0,0 +1,54 @@
+// +build acceptance
+
+package v2
+
+import (
+	"testing"
+
+	"github.com/rackspace/gophercloud/pagination"
+	extensions2 "github.com/rackspace/gophercloud/rackspace/identity/v2/extensions"
+	th "github.com/rackspace/gophercloud/testhelper"
+)
+
+func TestExtensions(t *testing.T) {
+	service := authenticatedClient(t)
+
+	t.Logf("Extensions available on this identity endpoint:")
+	count := 0
+	var chosen string
+	err := extensions2.List(service).EachPage(func(page pagination.Page) (bool, error) {
+		t.Logf("--- Page %02d ---", count)
+
+		extensions, err := extensions2.ExtractExtensions(page)
+		th.AssertNoErr(t, err)
+
+		for i, ext := range extensions {
+			if chosen == "" {
+				chosen = ext.Alias
+			}
+
+			t.Logf("[%02d] name=[%s] namespace=[%s]", i, ext.Name, ext.Namespace)
+			t.Logf("     alias=[%s] updated=[%s]", ext.Alias, ext.Updated)
+			t.Logf("     description=[%s]", ext.Description)
+		}
+
+		count++
+		return true, nil
+	})
+	th.AssertNoErr(t, err)
+
+	if chosen == "" {
+		t.Logf("No extensions found.")
+		return
+	}
+
+	ext, err := extensions2.Get(service, chosen).Extract()
+	th.AssertNoErr(t, err)
+
+	t.Logf("Detail for extension [%s]:", chosen)
+	t.Logf("        name=[%s]", ext.Name)
+	t.Logf("   namespace=[%s]", ext.Namespace)
+	t.Logf("       alias=[%s]", ext.Alias)
+	t.Logf("     updated=[%s]", ext.Updated)
+	t.Logf(" description=[%s]", ext.Description)
+}