unit and acceptance tests
diff --git a/rackspace/networking/v2/subnets/delegate_test.go b/rackspace/networking/v2/subnets/delegate_test.go
new file mode 100644
index 0000000..fafc6fb
--- /dev/null
+++ b/rackspace/networking/v2/subnets/delegate_test.go
@@ -0,0 +1,363 @@
+package subnets
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	os "github.com/rackspace/gophercloud/openstack/networking/v2/subnets"
+	"github.com/rackspace/gophercloud/pagination"
+	fake "github.com/rackspace/gophercloud/rackspace/networking/v2/common"
+	th "github.com/rackspace/gophercloud/testhelper"
+)
+
+func TestList(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	th.Mux.HandleFunc("/subnets", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+
+		fmt.Fprintf(w, `
+{
+    "subnets": [
+        {
+            "name": "private-subnet",
+            "enable_dhcp": true,
+            "network_id": "db193ab3-96e3-4cb3-8fc5-05f4296d0324",
+            "tenant_id": "26a7980765d0414dbc1fc1f88cdb7e6e",
+            "dns_nameservers": [],
+            "allocation_pools": [
+                {
+                    "start": "10.0.0.2",
+                    "end": "10.0.0.254"
+                }
+            ],
+            "host_routes": [],
+            "ip_version": 4,
+            "gateway_ip": "10.0.0.1",
+            "cidr": "10.0.0.0/24",
+            "id": "08eae331-0402-425a-923c-34f7cfe39c1b"
+        },
+        {
+            "name": "my_subnet",
+            "enable_dhcp": true,
+            "network_id": "d32019d3-bc6e-4319-9c1d-6722fc136a22",
+            "tenant_id": "4fd44f30292945e481c7b8a0c8908869",
+            "dns_nameservers": [],
+            "allocation_pools": [
+                {
+                    "start": "192.0.0.2",
+                    "end": "192.255.255.254"
+                }
+            ],
+            "host_routes": [],
+            "ip_version": 4,
+            "gateway_ip": "192.0.0.1",
+            "cidr": "192.0.0.0/8",
+            "id": "54d6f61d-db07-451c-9ab3-b9609b6b6f0b"
+        }
+    ]
+}
+      `)
+	})
+
+	count := 0
+
+	List(fake.ServiceClient(), os.ListOpts{}).EachPage(func(page pagination.Page) (bool, error) {
+		count++
+		actual, err := os.ExtractSubnets(page)
+		if err != nil {
+			t.Errorf("Failed to extract subnets: %v", err)
+			return false, nil
+		}
+
+		expected := []os.Subnet{
+			os.Subnet{
+				Name:           "private-subnet",
+				EnableDHCP:     true,
+				NetworkID:      "db193ab3-96e3-4cb3-8fc5-05f4296d0324",
+				TenantID:       "26a7980765d0414dbc1fc1f88cdb7e6e",
+				DNSNameservers: []string{},
+				AllocationPools: []os.AllocationPool{
+					os.AllocationPool{
+						Start: "10.0.0.2",
+						End:   "10.0.0.254",
+					},
+				},
+				HostRoutes: []os.HostRoute{},
+				IPVersion:  4,
+				GatewayIP:  "10.0.0.1",
+				CIDR:       "10.0.0.0/24",
+				ID:         "08eae331-0402-425a-923c-34f7cfe39c1b",
+			},
+			os.Subnet{
+				Name:           "my_subnet",
+				EnableDHCP:     true,
+				NetworkID:      "d32019d3-bc6e-4319-9c1d-6722fc136a22",
+				TenantID:       "4fd44f30292945e481c7b8a0c8908869",
+				DNSNameservers: []string{},
+				AllocationPools: []os.AllocationPool{
+					os.AllocationPool{
+						Start: "192.0.0.2",
+						End:   "192.255.255.254",
+					},
+				},
+				HostRoutes: []os.HostRoute{},
+				IPVersion:  4,
+				GatewayIP:  "192.0.0.1",
+				CIDR:       "192.0.0.0/8",
+				ID:         "54d6f61d-db07-451c-9ab3-b9609b6b6f0b",
+			},
+		}
+
+		th.CheckDeepEquals(t, expected, actual)
+
+		return true, nil
+	})
+
+	if count != 1 {
+		t.Errorf("Expected 1 page, got %d", count)
+	}
+}
+
+func TestGet(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	th.Mux.HandleFunc("/subnets/54d6f61d-db07-451c-9ab3-b9609b6b6f0b", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+
+		fmt.Fprintf(w, `
+{
+    "subnet": {
+        "name": "my_subnet",
+        "enable_dhcp": true,
+        "network_id": "d32019d3-bc6e-4319-9c1d-6722fc136a22",
+        "tenant_id": "4fd44f30292945e481c7b8a0c8908869",
+        "dns_nameservers": [],
+        "allocation_pools": [
+            {
+                "start": "192.0.0.2",
+                "end": "192.255.255.254"
+            }
+        ],
+        "host_routes": [],
+        "ip_version": 4,
+        "gateway_ip": "192.0.0.1",
+        "cidr": "192.0.0.0/8",
+        "id": "54d6f61d-db07-451c-9ab3-b9609b6b6f0b"
+    }
+}
+      `)
+	})
+
+	s, err := Get(fake.ServiceClient(), "54d6f61d-db07-451c-9ab3-b9609b6b6f0b").Extract()
+	th.AssertNoErr(t, err)
+
+	th.AssertEquals(t, s.Name, "my_subnet")
+	th.AssertEquals(t, s.EnableDHCP, true)
+	th.AssertEquals(t, s.NetworkID, "d32019d3-bc6e-4319-9c1d-6722fc136a22")
+	th.AssertEquals(t, s.TenantID, "4fd44f30292945e481c7b8a0c8908869")
+	th.AssertDeepEquals(t, s.DNSNameservers, []string{})
+	th.AssertDeepEquals(t, s.AllocationPools, []os.AllocationPool{
+		os.AllocationPool{
+			Start: "192.0.0.2",
+			End:   "192.255.255.254",
+		},
+	})
+	th.AssertDeepEquals(t, s.HostRoutes, []os.HostRoute{})
+	th.AssertEquals(t, s.IPVersion, 4)
+	th.AssertEquals(t, s.GatewayIP, "192.0.0.1")
+	th.AssertEquals(t, s.CIDR, "192.0.0.0/8")
+	th.AssertEquals(t, s.ID, "54d6f61d-db07-451c-9ab3-b9609b6b6f0b")
+}
+
+func TestCreate(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	th.Mux.HandleFunc("/subnets", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "POST")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+		th.TestHeader(t, r, "Content-Type", "application/json")
+		th.TestHeader(t, r, "Accept", "application/json")
+		th.TestJSONRequest(t, r, `
+{
+    "subnet": {
+        "network_id": "d32019d3-bc6e-4319-9c1d-6722fc136a22",
+        "ip_version": 4,
+        "cidr": "192.168.199.0/24",
+        "dns_nameservers": ["foo"],
+        "allocation_pools": [
+            {
+                "start": "192.168.199.2",
+                "end": "192.168.199.254"
+            }
+        ],
+        "host_routes": [{"destination":"","nexthop": "bar"}]
+    }
+}
+      `)
+
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+
+		fmt.Fprintf(w, `
+{
+    "subnet": {
+        "name": "",
+        "enable_dhcp": true,
+        "network_id": "d32019d3-bc6e-4319-9c1d-6722fc136a22",
+        "tenant_id": "4fd44f30292945e481c7b8a0c8908869",
+        "dns_nameservers": [],
+        "allocation_pools": [
+            {
+                "start": "192.168.199.2",
+                "end": "192.168.199.254"
+            }
+        ],
+        "host_routes": [],
+        "ip_version": 4,
+        "gateway_ip": "192.168.199.1",
+        "cidr": "192.168.199.0/24",
+        "id": "3b80198d-4f7b-4f77-9ef5-774d54e17126"
+    }
+}
+    `)
+	})
+
+	opts := os.CreateOpts{
+		NetworkID: "d32019d3-bc6e-4319-9c1d-6722fc136a22",
+		IPVersion: 4,
+		CIDR:      "192.168.199.0/24",
+		AllocationPools: []os.AllocationPool{
+			os.AllocationPool{
+				Start: "192.168.199.2",
+				End:   "192.168.199.254",
+			},
+		},
+		DNSNameservers: []string{"foo"},
+		HostRoutes: []os.HostRoute{
+			os.HostRoute{NextHop: "bar"},
+		},
+	}
+	s, err := Create(fake.ServiceClient(), opts).Extract()
+	th.AssertNoErr(t, err)
+
+	th.AssertEquals(t, s.Name, "")
+	th.AssertEquals(t, s.EnableDHCP, true)
+	th.AssertEquals(t, s.NetworkID, "d32019d3-bc6e-4319-9c1d-6722fc136a22")
+	th.AssertEquals(t, s.TenantID, "4fd44f30292945e481c7b8a0c8908869")
+	th.AssertDeepEquals(t, s.DNSNameservers, []string{})
+	th.AssertDeepEquals(t, s.AllocationPools, []os.AllocationPool{
+		os.AllocationPool{
+			Start: "192.168.199.2",
+			End:   "192.168.199.254",
+		},
+	})
+	th.AssertDeepEquals(t, s.HostRoutes, []os.HostRoute{})
+	th.AssertEquals(t, s.IPVersion, 4)
+	th.AssertEquals(t, s.GatewayIP, "192.168.199.1")
+	th.AssertEquals(t, s.CIDR, "192.168.199.0/24")
+	th.AssertEquals(t, s.ID, "3b80198d-4f7b-4f77-9ef5-774d54e17126")
+}
+
+func TestRequiredCreateOpts(t *testing.T) {
+	res := Create(fake.ServiceClient(), os.CreateOpts{})
+	if res.Err == nil {
+		t.Fatalf("Expected error, got none")
+	}
+
+	res = Create(fake.ServiceClient(), os.CreateOpts{NetworkID: "foo"})
+	if res.Err == nil {
+		t.Fatalf("Expected error, got none")
+	}
+
+	res = Create(fake.ServiceClient(), os.CreateOpts{NetworkID: "foo", CIDR: "bar", IPVersion: 40})
+	if res.Err == nil {
+		t.Fatalf("Expected error, got none")
+	}
+}
+
+func TestUpdate(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	th.Mux.HandleFunc("/subnets/08eae331-0402-425a-923c-34f7cfe39c1b", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "PUT")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+		th.TestHeader(t, r, "Content-Type", "application/json")
+		th.TestHeader(t, r, "Accept", "application/json")
+		th.TestJSONRequest(t, r, `
+{
+    "subnet": {
+        "name": "my_new_subnet",
+        "dns_nameservers": ["foo"],
+        "host_routes": [{"destination":"","nexthop": "bar"}]
+    }
+}
+    `)
+
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+
+		fmt.Fprintf(w, `
+{
+    "subnet": {
+        "name": "my_new_subnet",
+        "enable_dhcp": true,
+        "network_id": "db193ab3-96e3-4cb3-8fc5-05f4296d0324",
+        "tenant_id": "26a7980765d0414dbc1fc1f88cdb7e6e",
+        "dns_nameservers": [],
+        "allocation_pools": [
+            {
+                "start": "10.0.0.2",
+                "end": "10.0.0.254"
+            }
+        ],
+        "host_routes": [],
+        "ip_version": 4,
+        "gateway_ip": "10.0.0.1",
+        "cidr": "10.0.0.0/24",
+        "id": "08eae331-0402-425a-923c-34f7cfe39c1b"
+    }
+}
+  `)
+	})
+
+	opts := os.UpdateOpts{
+		Name:           "my_new_subnet",
+		DNSNameservers: []string{"foo"},
+		HostRoutes: []os.HostRoute{
+			os.HostRoute{NextHop: "bar"},
+		},
+	}
+	s, err := Update(fake.ServiceClient(), "08eae331-0402-425a-923c-34f7cfe39c1b", opts).Extract()
+	th.AssertNoErr(t, err)
+
+	th.AssertEquals(t, s.Name, "my_new_subnet")
+	th.AssertEquals(t, s.ID, "08eae331-0402-425a-923c-34f7cfe39c1b")
+}
+
+func TestDelete(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	th.Mux.HandleFunc("/subnets/08eae331-0402-425a-923c-34f7cfe39c1b", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "DELETE")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+		w.WriteHeader(http.StatusNoContent)
+	})
+
+	res := Delete(fake.ServiceClient(), "08eae331-0402-425a-923c-34f7cfe39c1b")
+	th.AssertNoErr(t, res.Err)
+}