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display_unittest.cc
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display_unittest.cc
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// Copyright (c) 2012 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 "ui/display/display.h"
#include "base/command_line.h"
#include "base/test/scoped_command_line.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/display_switches.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
namespace display {
TEST(DisplayTest, WorkArea) {
Display display(0, gfx::Rect(0, 0, 100, 100));
EXPECT_EQ("0,0 100x100", display.bounds().ToString());
EXPECT_EQ("0,0 100x100", display.work_area().ToString());
display.set_work_area(gfx::Rect(3, 4, 90, 80));
EXPECT_EQ("0,0 100x100", display.bounds().ToString());
EXPECT_EQ("3,4 90x80", display.work_area().ToString());
display.SetScaleAndBounds(1.0f, gfx::Rect(10, 20, 50, 50));
EXPECT_EQ("10,20 50x50", display.bounds().ToString());
EXPECT_EQ("13,24 40x30", display.work_area().ToString());
display.SetSize(gfx::Size(200, 200));
EXPECT_EQ("13,24 190x180", display.work_area().ToString());
display.UpdateWorkAreaFromInsets(gfx::Insets(3, 4, 5, 6));
EXPECT_EQ("14,23 190x192", display.work_area().ToString());
}
TEST(DisplayTest, Scale) {
Display display(0, gfx::Rect(0, 0, 100, 100));
display.set_work_area(gfx::Rect(10, 10, 80, 80));
EXPECT_EQ("0,0 100x100", display.bounds().ToString());
EXPECT_EQ("10,10 80x80", display.work_area().ToString());
// Scale it back to 2x
display.SetScaleAndBounds(2.0f, gfx::Rect(0, 0, 140, 140));
EXPECT_EQ("0,0 70x70", display.bounds().ToString());
EXPECT_EQ("10,10 50x50", display.work_area().ToString());
// Scale it back to 1x
display.SetScaleAndBounds(1.0f, gfx::Rect(0, 0, 100, 100));
EXPECT_EQ("0,0 100x100", display.bounds().ToString());
EXPECT_EQ("10,10 80x80", display.work_area().ToString());
}
// https://crbug.com/517944
TEST(DisplayTest, ForcedDeviceScaleFactorByCommandLine) {
base::test::ScopedCommandLine scoped_command_line;
base::CommandLine* command_line = scoped_command_line.GetProcessCommandLine();
Display::ResetForceDeviceScaleFactorForTesting();
command_line->AppendSwitch(switches::kForceDeviceScaleFactor);
EXPECT_EQ(1, Display::GetForcedDeviceScaleFactor());
Display::ResetForceDeviceScaleFactorForTesting();
}
TEST(DisplayTest, ForcedDeviceScaleFactor) {
Display::SetForceDeviceScaleFactor(2);
EXPECT_EQ(2, Display::GetForcedDeviceScaleFactor());
Display::ResetForceDeviceScaleFactorForTesting();
}
TEST(DisplayTest, DisplayFrequency) {
Display display(0, gfx::Rect(0, 0, 100, 100));
display.set_display_frequency(60);
EXPECT_EQ(60, display.display_frequency());
display.set_display_frequency(120);
EXPECT_EQ(120, display.display_frequency());
}
} // namespace display