A scoped NetLog event that automatically logs an end event on destruction.

net/base/net_log_unittest.cc

+// Copyright (c) 2010 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.
+
+#include "net/base/capturing_net_log.h"
+#include "net/base/net_log.h"
+#include "net/base/net_log_unittest.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(NetLog, ScopedNetLogEventTest) {
+  net::CapturingNetLog log(net::CapturingNetLog::kUnbounded);

[eroman, 2010/12/09 02:00:14]

nit: I generally like to put my unit tests inside of:

namespace net {
namespace {

<<--->>

}
}

to avoid prefixing everything with net::

[mmenke, 2010/12/09 15:12:01]

Both namespaces added.  Does make for cleaner code.  Looks the majority of unit
tests don't use an anonymous namespace.

+  net::BoundNetLog net_log(
+      net::BoundNetLog::Make(&log, net::NetLog::SOURCE_URL_REQUEST));
+
+  scoped_ptr<net::ScopedNetLogEvent> net_log_event(
+      new net::ScopedNetLogEvent(net_log, net::NetLog::TYPE_REQUEST_ALIVE,
+                                 NULL));
+
+  net::CapturingNetLog::EntryList entries;
+  log.GetEntries(&entries);
+  EXPECT_EQ(1u, entries.size());
+  EXPECT_TRUE(net::LogContainsBeginEvent(
+      entries, 0, net::NetLog::TYPE_REQUEST_ALIVE));
+
+  net_log_event.reset();
+  log.GetEntries(&entries);
+  EXPECT_EQ(2u, entries.size());
+  EXPECT_TRUE(net::LogContainsEndEvent(
+      entries, 1, net::NetLog::TYPE_REQUEST_ALIVE));
+}