dpi_utils_unittests.cc

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// Copyright 2013 The Flutter 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 <windows.h>
 
#include "flutter/shell/platform/windows/dpi_utils.h"
#include "gtest/gtest.h"
 
namespace flutter {
namespace testing {
 
TEST(DpiUtilsTest, NonZero) {
  ASSERT_GT(GetDpiForHWND(nullptr), 0);
  ASSERT_GT(GetDpiForMonitor(nullptr), 0);
};
 
TEST(DpiUtilsTest, NullHwndUsesPrimaryMonitor) {
  const POINT target_point = {0, 0};
  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTOPRIMARY);
  ASSERT_EQ(GetDpiForHWND(nullptr), GetDpiForMonitor(monitor));
};
 
}  // namespace testing
}  // namespace flutter