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// Copyright (c) 2011 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 "content/browser/notification_service_impl.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_types.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
// Bogus class to act as a NotificationSource for the messages.
class TestSource {};
class TestObserver : public NotificationObserver {
public:
TestObserver() : notification_count_(0) {}
int notification_count() const { return notification_count_; }
void Observe(int type,
const NotificationSource& source,
const NotificationDetails& details) override {
++notification_count_;
}
private:
int notification_count_;
};
const int kNotification1 = 1;
const int kNotification2 = 2;
} // namespace
class NotificationServiceImplTest : public testing::Test {
protected:
NotificationRegistrar registrar_;
};
TEST_F(NotificationServiceImplTest, Basic) {
TestSource test_source;
TestSource other_source;
// Check the equality operators defined for NotificationSource
EXPECT_TRUE(Source<TestSource>(&test_source) ==
Source<TestSource>(&test_source));
EXPECT_TRUE(Source<TestSource>(&test_source) !=
Source<TestSource>(&other_source));
TestObserver all_types_all_sources;
TestObserver idle_all_sources;
TestObserver all_types_test_source;
TestObserver idle_test_source;
// Make sure it doesn't freak out when there are no observers.
NotificationService* service = NotificationService::current();
service->Notify(kNotification1,
Source<TestSource>(&test_source),
NotificationService::NoDetails());
registrar_.Add(&all_types_all_sources, NOTIFICATION_ALL,
NotificationService::AllSources());
registrar_.Add(&idle_all_sources, kNotification1,
NotificationService::AllSources());
registrar_.Add(&all_types_test_source, NOTIFICATION_ALL,
Source<TestSource>(&test_source));
registrar_.Add(&idle_test_source, kNotification1,
Source<TestSource>(&test_source));
EXPECT_EQ(0, all_types_all_sources.notification_count());
EXPECT_EQ(0, idle_all_sources.notification_count());
EXPECT_EQ(0, all_types_test_source.notification_count());
EXPECT_EQ(0, idle_test_source.notification_count());
service->Notify(kNotification1,
Source<TestSource>(&test_source),
NotificationService::NoDetails());
EXPECT_EQ(1, all_types_all_sources.notification_count());
EXPECT_EQ(1, idle_all_sources.notification_count());
EXPECT_EQ(1, all_types_test_source.notification_count());
EXPECT_EQ(1, idle_test_source.notification_count());
service->Notify(kNotification2,
Source<TestSource>(&test_source),
NotificationService::NoDetails());
EXPECT_EQ(2, all_types_all_sources.notification_count());
EXPECT_EQ(1, idle_all_sources.notification_count());
EXPECT_EQ(2, all_types_test_source.notification_count());
EXPECT_EQ(1, idle_test_source.notification_count());
service->Notify(kNotification1,
Source<TestSource>(&other_source),
NotificationService::NoDetails());
EXPECT_EQ(3, all_types_all_sources.notification_count());
EXPECT_EQ(2, idle_all_sources.notification_count());
EXPECT_EQ(2, all_types_test_source.notification_count());
EXPECT_EQ(1, idle_test_source.notification_count());
service->Notify(kNotification2,
Source<TestSource>(&other_source),
NotificationService::NoDetails());
EXPECT_EQ(4, all_types_all_sources.notification_count());
EXPECT_EQ(2, idle_all_sources.notification_count());
EXPECT_EQ(2, all_types_test_source.notification_count());
EXPECT_EQ(1, idle_test_source.notification_count());
// Try send with NULL source.
service->Notify(kNotification1,
NotificationService::AllSources(),
NotificationService::NoDetails());
EXPECT_EQ(5, all_types_all_sources.notification_count());
EXPECT_EQ(3, idle_all_sources.notification_count());
EXPECT_EQ(2, all_types_test_source.notification_count());
EXPECT_EQ(1, idle_test_source.notification_count());
registrar_.RemoveAll();
service->Notify(kNotification1,
Source<TestSource>(&test_source),
NotificationService::NoDetails());
EXPECT_EQ(5, all_types_all_sources.notification_count());
EXPECT_EQ(3, idle_all_sources.notification_count());
EXPECT_EQ(2, all_types_test_source.notification_count());
EXPECT_EQ(1, idle_test_source.notification_count());
}
TEST_F(NotificationServiceImplTest, MultipleRegistration) {
TestSource test_source;
TestObserver idle_test_source;
NotificationService* service = NotificationService::current();
registrar_.Add(&idle_test_source, kNotification1,
Source<TestSource>(&test_source));
registrar_.Add(&idle_test_source, NOTIFICATION_ALL,
Source<TestSource>(&test_source));
service->Notify(kNotification1,
Source<TestSource>(&test_source),
NotificationService::NoDetails());
EXPECT_EQ(2, idle_test_source.notification_count());
registrar_.Remove(&idle_test_source, kNotification1,
Source<TestSource>(&test_source));
service->Notify(kNotification1,
Source<TestSource>(&test_source),
NotificationService::NoDetails());
EXPECT_EQ(3, idle_test_source.notification_count());
registrar_.Remove(&idle_test_source, NOTIFICATION_ALL,
Source<TestSource>(&test_source));
service->Notify(kNotification1,
Source<TestSource>(&test_source),
NotificationService::NoDetails());
EXPECT_EQ(3, idle_test_source.notification_count());
}
} // namespace content
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