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- // Copyright 2020 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 "ash/components/phonehub/mutable_phone_model.h"
- #include "ash/components/phonehub/phone_model_test_util.h"
- #include "base/strings/utf_string_conversions.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace ash {
- namespace phonehub {
- namespace {
- class FakeObserver : public PhoneModel::Observer {
- public:
- FakeObserver() = default;
- ~FakeObserver() override = default;
- size_t num_calls() const { return num_calls_; }
- // PhoneModel::Observer:
- void OnModelChanged() override { ++num_calls_; }
- private:
- size_t num_calls_ = 0;
- };
- } // namespace
- class MutablePhoneModelTest : public testing::Test {
- protected:
- MutablePhoneModelTest() = default;
- MutablePhoneModelTest(const MutablePhoneModelTest&) = delete;
- MutablePhoneModelTest& operator=(const MutablePhoneModelTest&) = delete;
- ~MutablePhoneModelTest() override = default;
- // testing::Test:
- void SetUp() override { model_.AddObserver(&fake_observer_); }
- void TearDown() override { model_.RemoveObserver(&fake_observer_); }
- size_t GetNumObserverCalls() const { return fake_observer_.num_calls(); }
- protected:
- MutablePhoneModel model_;
- private:
- FakeObserver fake_observer_;
- };
- TEST_F(MutablePhoneModelTest, PhoneName) {
- const std::u16string fake_phone_name = u"Phone name";
- // Set the phone name to be null (the default value); observers should
- // not be notified, since this is not a change.
- model_.SetPhoneName(/*phone_name=*/absl::nullopt);
- EXPECT_FALSE(model_.phone_name().has_value());
- EXPECT_EQ(0u, GetNumObserverCalls());
- // Set the phone name; observers should be notified.
- model_.SetPhoneName(fake_phone_name);
- EXPECT_EQ(fake_phone_name, model_.phone_name());
- EXPECT_EQ(1u, GetNumObserverCalls());
- // Set the same phone name; observers should not be notified.
- model_.SetPhoneName(fake_phone_name);
- EXPECT_EQ(fake_phone_name, model_.phone_name());
- EXPECT_EQ(1u, GetNumObserverCalls());
- // Set the phone name back to null; observers should be notified.
- model_.SetPhoneName(/*phone_name=*/absl::nullopt);
- EXPECT_FALSE(model_.phone_name().has_value());
- EXPECT_EQ(2u, GetNumObserverCalls());
- }
- TEST_F(MutablePhoneModelTest, PhoneStatusModel) {
- // Set the PhoneStatusModel to be null (the default value); observers should
- // not be notified, since this is not a change.
- model_.SetPhoneStatusModel(/*phone_status_model=*/absl::nullopt);
- EXPECT_FALSE(model_.phone_status_model().has_value());
- EXPECT_EQ(0u, GetNumObserverCalls());
- // Set the PhoneStatusModel; observers should be notified.
- model_.SetPhoneStatusModel(CreateFakePhoneStatusModel());
- EXPECT_EQ(CreateFakePhoneStatusModel(), model_.phone_status_model());
- EXPECT_EQ(1u, GetNumObserverCalls());
- // Set the same PhoneStatusModel; observers should not be notified.
- model_.SetPhoneStatusModel(CreateFakePhoneStatusModel());
- EXPECT_EQ(CreateFakePhoneStatusModel(), model_.phone_status_model());
- EXPECT_EQ(1u, GetNumObserverCalls());
- // Set the PhoneStatusModel back to null; observers should be notified.
- model_.SetPhoneStatusModel(/*phone_status_model=*/absl::nullopt);
- EXPECT_FALSE(model_.phone_status_model().has_value());
- EXPECT_EQ(2u, GetNumObserverCalls());
- }
- TEST_F(MutablePhoneModelTest, BrowserTabsModel) {
- // Set the BrowserTabsModel to be null (the default value); observers should
- // not be notified, since this is not a change.
- model_.SetBrowserTabsModel(/*browser_tabs_model=*/absl::nullopt);
- EXPECT_FALSE(model_.browser_tabs_model().has_value());
- EXPECT_EQ(0u, GetNumObserverCalls());
- // Set the BrowserTabsModel; observers should be notified.
- model_.SetBrowserTabsModel(CreateFakeBrowserTabsModel());
- EXPECT_EQ(CreateFakeBrowserTabsModel(), model_.browser_tabs_model());
- EXPECT_EQ(1u, GetNumObserverCalls());
- // Set the same BrowserTabsModel; observers should not be notified.
- model_.SetBrowserTabsModel(CreateFakeBrowserTabsModel());
- EXPECT_EQ(CreateFakeBrowserTabsModel(), model_.browser_tabs_model());
- EXPECT_EQ(1u, GetNumObserverCalls());
- // Set the BrowserTabsModel back to null; observers should be notified.
- model_.SetBrowserTabsModel(/*browser_tabs_model=*/absl::nullopt);
- EXPECT_FALSE(model_.browser_tabs_model().has_value());
- EXPECT_EQ(2u, GetNumObserverCalls());
- }
- } // namespace phonehub
- } // namespace ash
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