[Cronet] Test the libcronet that's shipped, not libcronet_test

components/cronet/android/test/network_change_notifier_util.cc

-// Copyright 2014 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 "network_change_notifier_util.h"
-
-#include "base/android/jni_android.h"
-#include "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "jni/NetworkChangeNotifierUtil_jni.h"
-#include "net/base/network_change_notifier.h"
-
-using base::android::JavaParamRef;
-
-namespace cronet {
-
-namespace {
-
-// An IPAddressObserver to test whether Cronet can receive notification
-// when network changes.
-class TestIPAddressObserver
-    : public net::NetworkChangeNotifier::IPAddressObserver {
- public:
-  TestIPAddressObserver() : ip_address_changed_(false) {
-  }
-
-  ~TestIPAddressObserver() override {}
-
-  // net::NetworkChangeNotifier::IPAddressObserver implementation.
-  void OnIPAddressChanged() override {
-    ip_address_changed_ = true;
-  }
-
-  bool ip_address_changed() const {
-    return ip_address_changed_;
-  }
-
- private:
-  bool ip_address_changed_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestIPAddressObserver);
-};
-
-}  // namespace
-
-// Adds a TestIPAddressObserver to the list of IPAddressObservers, and returns
-// a boolean indicating whether the TestIPAddressObserver has received
-// notification when network changes.
-static jboolean IsTestIPAddressObserverCalled(
-    JNIEnv* jenv,
-    const JavaParamRef<jclass>& jcaller) {
-  // This method is called on a Java thread with no MessageLoop, but we need
-  // one for the NetworkChangeNotifier to call the observer on.
-  base::MessageLoop loop;
-  TestIPAddressObserver test_observer;
-  net::NetworkChangeNotifier::AddIPAddressObserver(&test_observer);
-  net::NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
-
-  base::RunLoop().RunUntilIdle();
-  net::NetworkChangeNotifier::RemoveIPAddressObserver(&test_observer);
-
-  return test_observer.ip_address_changed();
-}
-
-bool RegisterNetworkChangeNotifierUtil(JNIEnv* jenv) {
-  return RegisterNativesImpl(jenv);
-}
-
-}  // namespace cronet