Simple memory testing for gae/wrapper

go/src/infra/gae/libs/wrapper/unsafe/memcache_test.go

Index: go/src/infra/gae/libs/wrapper/unsafe/memcache_test.go
diff --git a/go/src/infra/gae/libs/wrapper/unsafe/memcache_test.go b/go/src/infra/gae/libs/wrapper/unsafe/memcache_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..0a412ea1c0043ccaa4bc20248ffa4ac0b02e1934
--- /dev/null
+++ b/go/src/infra/gae/libs/wrapper/unsafe/memcache_test.go
@@ -0,0 +1,24 @@
+// 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 unsafe
+
+import (
+	"testing"
+
+	"appengine/memcache"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestUnsafeMemcacheItem(t *testing.T) {
+	Convey("unsafe memcache", t, func() {
+		// kinda a bogus test, but it forces the init() to run, which checks the
+		// field alignment and should panic bigtime if things are wrong.
+		itm := &memcache.Item{}
+		So(MCGetCasID(itm), ShouldEqual, 0)
+		MCSetCasID(itm, 10)
+		So(MCGetCasID(itm), ShouldEqual, 10)
+	})
+}