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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/constants/ash_pref_names.h"
#include "ash/constants/ash_switches.h"
#include "ash/shell.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "components/prefs/pref_service.h"
#include "content/public/test/browser_test.h"
#include "ui/display/display.h"
#include "ui/display/manager/display_manager.h"
class DisplayPrefsBrowserTest : public InProcessBrowserTest {
public:
DisplayPrefsBrowserTest() = default;
DisplayPrefsBrowserTest(const DisplayPrefsBrowserTest&) = delete;
DisplayPrefsBrowserTest& operator=(const DisplayPrefsBrowserTest&) = delete;
~DisplayPrefsBrowserTest() override = default;
// InProcessBrowserTest:
void SetUpCommandLine(base::CommandLine* command_line) override {
std::string test_name =
::testing::UnitTest::GetInstance()->current_test_info()->name();
// Make sure that display prefs are created in PRE_ test.
if (test_name.find("PRE_") != std::string::npos) {
command_line->AppendSwitch(ash::switches::kFirstExecAfterBoot);
}
}
void SetUpOnMainThread() override {
local_state_ = g_browser_process->local_state();
}
protected:
const base::Value::Dict* GetDisplayProperties(int index) {
int64_t display_id =
ash::Shell::Get()->display_manager()->GetDisplayAt(index).id();
const base::Value::Dict& display_properties =
local_state_->GetDict(ash::prefs::kDisplayProperties);
return display_properties.FindDict(base::NumberToString(display_id));
}
display::Display::Rotation GetRotation(int index) {
const base::Value::Dict* properties = GetDisplayProperties(index);
EXPECT_TRUE(properties);
display::Display::Rotation result = display::Display::ROTATE_0;
std::optional<int> rot_value = properties->FindInt("rotation");
EXPECT_TRUE(rot_value);
if (rot_value)
result = static_cast<display::Display::Rotation>(rot_value.value());
return result;
}
raw_ptr<PrefService, DanglingUntriaged> local_state_;
};
// Test that display prefs are registered in the browser local_state
// and persisted across sessions.
IN_PROC_BROWSER_TEST_F(DisplayPrefsBrowserTest, PRE_PowerState) {
std::string power_state =
local_state_->GetString(ash::prefs::kDisplayPowerState);
EXPECT_EQ("all_on", power_state);
local_state_->Set(ash::prefs::kDisplayPowerState,
base::Value("internal_off_external_on"));
}
IN_PROC_BROWSER_TEST_F(DisplayPrefsBrowserTest, PowerState) {
std::string power_state =
local_state_->GetString(ash::prefs::kDisplayPowerState);
EXPECT_EQ("internal_off_external_on", power_state);
}
// Test that changing display rotation changes the pref state and
// persists across sessions.
IN_PROC_BROWSER_TEST_F(DisplayPrefsBrowserTest, PRE_DisplayRotation) {
display::DisplayManager* display_manager =
ash::Shell::Get()->display_manager();
// Verify initial rotation and pref value.
display::Display::Rotation rotation = GetRotation(0);
EXPECT_EQ(display::Display::ROTATE_0, rotation);
const display::Display& display = display_manager->GetDisplayAt(0);
EXPECT_EQ(display::Display::ROTATE_0, display.rotation());
// Change rotation.
display_manager->SetDisplayRotation(display.id(),
display::Display::ROTATE_180,
display::Display::RotationSource::USER);
base::RunLoop().RunUntilIdle();
// Verify new rotation and pref value.
rotation = GetRotation(0);
EXPECT_EQ(display::Display::ROTATE_180, rotation);
EXPECT_EQ(display::Display::ROTATE_180,
display_manager->GetDisplayAt(0).rotation());
}
IN_PROC_BROWSER_TEST_F(DisplayPrefsBrowserTest, DisplayRotation) {
display::Display::Rotation rotation = GetRotation(0);
EXPECT_EQ(display::Display::ROTATE_180, rotation);
const display::Display& display =
ash::Shell::Get()->display_manager()->GetDisplayAt(0);
EXPECT_EQ(display::Display::ROTATE_180, display.rotation());
}
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