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