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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/tabs/vertical_tab_strip_state_controller.h"
#include "chrome/browser/ui/tabs/vertical_tab_strip_state.h"
#include "chrome/common/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/sync_preferences/testing_pref_service_syncable.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace tabs {
namespace {
constexpr int kUncollapsedWidth1 = 100;
constexpr int kUncollapsedWidth2 = 200;
} // namespace
class VerticalTabStripStateControllerTest : public testing::Test {
public:
VerticalTabStripStateControllerTest() = default;
~VerticalTabStripStateControllerTest() override = default;
void SetUp() override {
testing::Test::SetUp();
pref_service_.registry()->RegisterBooleanPref(
prefs::kVerticalTabsEnabled, false,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
controller_ =
std::make_unique<VerticalTabStripStateController>(&pref_service_);
}
void TearDown() override {
controller_.reset();
testing::Test::TearDown();
}
VerticalTabStripStateController* controller() { return controller_.get(); }
sync_preferences::TestingPrefServiceSyncable* pref_service() {
return &pref_service_;
}
private:
std::unique_ptr<VerticalTabStripStateController> controller_;
sync_preferences::TestingPrefServiceSyncable pref_service_;
};
TEST_F(VerticalTabStripStateControllerTest, Initial) {
EXPECT_FALSE(controller()->IsVerticalTabsEnabled());
EXPECT_FALSE(controller()->IsCollapsed());
EXPECT_EQ(0, controller()->GetUncollapsedWidth());
}
TEST_F(VerticalTabStripStateControllerTest, VerticalTabsEnabled) {
controller()->SetVerticalTabsEnabled(true);
EXPECT_TRUE(controller()->IsVerticalTabsEnabled());
EXPECT_TRUE(pref_service()->GetBoolean(prefs::kVerticalTabsEnabled));
controller()->SetVerticalTabsEnabled(false);
EXPECT_FALSE(controller()->IsVerticalTabsEnabled());
EXPECT_FALSE(pref_service()->GetBoolean(prefs::kVerticalTabsEnabled));
}
TEST_F(VerticalTabStripStateControllerTest, Collapsed) {
int call_count = 0;
auto subscription = controller()->RegisterOnStateChanged(base::BindRepeating(
[](int* call_count, VerticalTabStripStateController* controller) {
(*call_count)++;
EXPECT_TRUE(controller->IsCollapsed());
},
&call_count));
controller()->SetCollapsed(true);
EXPECT_TRUE(controller()->IsCollapsed());
EXPECT_EQ(1, call_count);
// Setting to same value should not trigger a notification.
controller()->SetCollapsed(true);
EXPECT_EQ(1, call_count);
}
TEST_F(VerticalTabStripStateControllerTest, UncollapsedWidth) {
int call_count = 0;
auto subscription = controller()->RegisterOnStateChanged(base::BindRepeating(
[](int* call_count, VerticalTabStripStateController* controller) {
(*call_count)++;
EXPECT_EQ(kUncollapsedWidth1, controller->GetUncollapsedWidth());
},
&call_count));
controller()->SetUncollapsedWidth(kUncollapsedWidth1);
EXPECT_EQ(kUncollapsedWidth1, controller()->GetUncollapsedWidth());
EXPECT_EQ(1, call_count);
// Setting to same value should not trigger a notification.
controller()->SetUncollapsedWidth(kUncollapsedWidth1);
EXPECT_EQ(1, call_count);
}
TEST_F(VerticalTabStripStateControllerTest, State) {
int call_count = 0;
auto subscription = controller()->RegisterOnStateChanged(base::BindRepeating(
[](int* call_count, VerticalTabStripStateController* controller) {
(*call_count)++;
EXPECT_TRUE(controller->IsCollapsed());
EXPECT_EQ(kUncollapsedWidth2, controller->GetUncollapsedWidth());
},
&call_count));
VerticalTabStripState state;
state.collapsed = true;
state.uncollapsed_width = kUncollapsedWidth2;
controller()->SetState(state);
EXPECT_TRUE(controller()->IsCollapsed());
EXPECT_EQ(kUncollapsedWidth2, controller()->GetUncollapsedWidth());
EXPECT_EQ(1, call_count);
// Setting to same value should not trigger a notification.
controller()->SetState(state);
EXPECT_EQ(1, call_count);
}
} // namespace tabs
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