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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/display/screen.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/display.h"
#include "ui/display/scoped_display_for_new_windows.h"
#include "ui/display/test/test_screen.h"
#include "ui/gfx/native_widget_types.h"
namespace display {
namespace {
const int DEFAULT_DISPLAY_ID = 0x1337;
const int DEFAULT_DISPLAY_WIDTH = 2560;
const int DEFAULT_DISPLAY_HEIGHT = 1440;
const int DISPLAY_2_ID = 0xc001;
} // namespace
class ScreenTest : public testing::Test {
public:
ScreenTest() {
const Display test_display = test_screen_.GetPrimaryDisplay();
Display display(test_display);
display.set_id(DEFAULT_DISPLAY_ID);
display.set_bounds(
gfx::Rect(0, 0, DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT));
test_screen_.display_list().RemoveDisplay(test_display.id());
test_screen_.display_list().AddDisplay(display, DisplayList::Type::PRIMARY);
test_screen_.display_list().AddDisplay(Display(DISPLAY_2_ID),
DisplayList::Type::NOT_PRIMARY);
Screen::SetScreenInstance(&test_screen_);
}
ScreenTest(const ScreenTest&) = delete;
ScreenTest& operator=(const ScreenTest&) = delete;
~ScreenTest() override { Screen::SetScreenInstance(nullptr); }
private:
test::TestScreen test_screen_;
};
class ZeroDisplayScreenTest : public testing::Test {
public:
ZeroDisplayScreenTest() {
const Display test_display = test_screen_.GetPrimaryDisplay();
test_screen_.display_list().RemoveDisplay(test_display.id());
Screen::SetScreenInstance(&test_screen_);
}
ZeroDisplayScreenTest(const ZeroDisplayScreenTest&) = delete;
ZeroDisplayScreenTest& operator=(const ZeroDisplayScreenTest&) = delete;
~ZeroDisplayScreenTest() override { Screen::SetScreenInstance(nullptr); }
private:
test::TestScreen test_screen_;
};
TEST_F(ScreenTest, GetPrimaryDisplaySize) {
const gfx::Size size = Screen::GetScreen()->GetPrimaryDisplay().size();
EXPECT_EQ(DEFAULT_DISPLAY_WIDTH, size.width());
EXPECT_EQ(DEFAULT_DISPLAY_HEIGHT, size.height());
}
TEST_F(ScreenTest, GetNumDisplays) {
EXPECT_EQ(Screen::GetScreen()->GetNumDisplays(), 2);
}
TEST_F(ScreenTest, GetDisplayWithDisplayId) {
Display display;
EXPECT_TRUE(Screen::GetScreen()->GetDisplayWithDisplayId(DEFAULT_DISPLAY_ID,
&display));
EXPECT_EQ(DEFAULT_DISPLAY_ID, display.id());
EXPECT_EQ(DEFAULT_DISPLAY_WIDTH, display.size().width());
EXPECT_EQ(DEFAULT_DISPLAY_HEIGHT, display.size().height());
}
TEST_F(ScreenTest, GetDisplayForNewWindows) {
Screen* screen = Screen::GetScreen();
// Display for new windows defaults to the primary display.
EXPECT_EQ(screen->GetPrimaryDisplay().id(),
screen->GetDisplayForNewWindows().id());
}
TEST_F(ScreenTest, ScopedDisplayForNewWindows) {
Screen* screen = Screen::GetScreen();
// Set primary as default;
screen->SetDisplayForNewWindows(DEFAULT_DISPLAY_ID);
EXPECT_EQ(DEFAULT_DISPLAY_ID, screen->GetDisplayForNewWindows().id());
// ScopedDisplayForNewWindows overrides while it is in scope.
{
ScopedDisplayForNewWindows scoped(DISPLAY_2_ID);
EXPECT_EQ(DISPLAY_2_ID, screen->GetDisplayForNewWindows().id());
}
EXPECT_EQ(DEFAULT_DISPLAY_ID, screen->GetDisplayForNewWindows().id());
}
TEST_F(ScreenTest, GetScreenInfosNearestDisplay) {
Screen* screen = Screen::GetScreen();
// Nearest default
{
ScreenInfos screen_infos =
screen->GetScreenInfosNearestDisplay(DEFAULT_DISPLAY_ID);
ASSERT_EQ(screen_infos.screen_infos.size(), 2u);
// Verify that the current display is also the primary display.
EXPECT_EQ(screen_infos.current().display_id, DEFAULT_DISPLAY_ID);
EXPECT_EQ(screen->GetPrimaryDisplay().id(),
screen_infos.current().display_id);
EXPECT_TRUE(screen_infos.current().is_primary);
}
// Nearest display 2
{
ScreenInfos screen_infos =
screen->GetScreenInfosNearestDisplay(DISPLAY_2_ID);
ASSERT_EQ(screen_infos.screen_infos.size(), 2u);
// Display 2 is current, but not the primary display.
EXPECT_EQ(screen_infos.current().display_id, DISPLAY_2_ID);
EXPECT_NE(screen->GetPrimaryDisplay().id(),
screen_infos.current().display_id);
EXPECT_FALSE(screen_infos.current().is_primary);
}
}
// This unit test is a cross-platform replication of some Fuchsia unit tests
// which have no displays (and don't need displays) but also need to have
// this function return non-empty ScreenInfos.
TEST_F(ZeroDisplayScreenTest, GetScreenInfosZeroDisplays) {
Screen* screen = Screen::GetScreen();
ScreenInfos screen_infos =
screen->GetScreenInfosNearestDisplay(kInvalidDisplayId);
EXPECT_TRUE(screen->GetAllDisplays().empty());
EXPECT_EQ(screen_infos.screen_infos.size(), 1u);
EXPECT_NE(screen_infos.current().display_id, kInvalidDisplayId);
EXPECT_EQ(screen->GetPrimaryDisplay().id(),
screen_infos.current().display_id);
EXPECT_TRUE(screen_infos.current().is_primary);
}
} // namespace display
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