blob: c060768731dd68dfa4119e920b6780d187cfe3ce [file] [log] [blame]
// Copyright 2019 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 <windows.h>
#include "base/debug/gdi_debug_util_win.h"
#include "base/win/scoped_hdc.h"
#include "testing/gtest/include/gtest/gtest.h"
// GDI handles can occasionally come out of nowhere on the shared table, so
// when writing the tests below, make sure you do differential snapshots to
// count handles.
TEST(GdiDebugUtilWin, GdiHandleCountsCreateDC) {
base::debug::GdiHandleCounts handle_counts_start =
base::win::ScopedGetDC dc(nullptr);
base::debug::GdiHandleCounts handle_counts_now =
EXPECT_EQ(1, handle_counts_now.dcs - handle_counts_start.dcs);
1, handle_counts_now.total_tracked - handle_counts_start.total_tracked);
// TODO(robliao): Create tests for other types once we figure out how often GDI
// updates the handle table.