Add unit tests for DpiHelper

This commit is contained in:
Jerry (Xinyu Hou) 2015-10-19 11:41:52 -07:00
parent 0cc831b2fb
commit c23d443a9a
1 changed files with 70 additions and 0 deletions

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2015 Synergy Seamless Inc.
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "synergy/DpiHelper.h"
#include "test/global/gtest.h"
void resetStaticVariables()
{
DpiHelper::s_resolutionWidth = 0;
DpiHelper::s_resolutionHeight = 0;
DpiHelper::s_primaryWidthCenter = 0;
DpiHelper::s_primaryHeightCenter = 0;
DpiHelper::s_dpi = DpiHelper::kDefaultDpi;
DpiHelper::s_dpiScaled = false;
}
TEST(DpiHelperTests, calculateDpi_samePhysicalAndVirtualResolutions_defaultDpi)
{
resetStaticVariables();
DpiHelper::s_resolutionWidth = 1920;
DpiHelper::s_resolutionHeight = 1080;
DpiHelper::s_primaryWidthCenter = 960;
DpiHelper::s_primaryHeightCenter = 540;
DpiHelper::calculateDpi(1920, 1080);
EXPECT_EQ(false, DpiHelper::s_dpiScaled);
EXPECT_EQ(DpiHelper::kDefaultDpi, DpiHelper::s_dpi);
}
TEST(DpiHelperTests, calculateDpi_differentPhysicalAndVirtualResolutions_scaledDpi)
{
resetStaticVariables();
DpiHelper::s_resolutionWidth = 1920;
DpiHelper::s_resolutionHeight = 1080;
DpiHelper::s_primaryWidthCenter = 960;
DpiHelper::s_primaryHeightCenter = 540;
DpiHelper::calculateDpi(960, 540);
EXPECT_EQ(true, DpiHelper::s_dpiScaled);
EXPECT_EQ(200, DpiHelper::s_dpi);
}
TEST(DpiHelperTests, calculateDpi_defaultStaticValues_defaultDpi)
{
resetStaticVariables();
DpiHelper::calculateDpi(1920, 1080);
EXPECT_EQ(false, DpiHelper::s_dpiScaled);
EXPECT_EQ(DpiHelper::kDefaultDpi, DpiHelper::s_dpi);
}