Use time.Time for internal memcache memory implementation

impl/memory/memcache_test.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package memory
 
 import (
         "testing"
         "time"
 
@@ skipping 167 matching lines @@
 
                         So(err, ShouldBeNil)
                         stats, err := mc.Stats()
                         So(err, ShouldBeNil)
                         So(stats.Items, ShouldEqual, 1)
                         So(stats.Bytes, ShouldEqual, 4)
                         So(stats.Hits, ShouldEqual, 4)
                         So(stats.Misses, ShouldEqual, 1)
                         So(stats.ByteHits, ShouldEqual, 4*4)
                         So(mci.data.casID, ShouldEqual, 1)
-                        So(mci.data.items["sup"], ShouldResemble, &mcItem{
-                                key:        "sup",
+                        So(mci.data.items["sup"], ShouldResemble, &mcDataItem{
                                 value:      []byte("cool"),
-                                expiration: time.Duration(curTime.Add(time.Second * 2).UnixNano()),
-                                CasID:      1,
+                                expiration: curTime.Add(time.Second * 2).Truncate(time.Second),
+                                casID:      1,
                         })
 
                         getItm := mc.NewItem("sup")
                         So(mc.Get(getItm), ShouldBeNil)
                         So(len(mci.data.items), ShouldEqual, 1)
                         So(mci.data.casID, ShouldEqual, 1)
 
                         testItem := &mcItem{
                                 key:   "sup",
                                 value: []byte("cool"),
                                 CasID: 1,
                         }
                         So(getItm, ShouldResemble, testItem)
                 })
 
         })
 }