// Copyright 2015 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "util/win/handle.h"

#include <stdint.h>

#include <limits>

#include "gtest/gtest.h"

namespace crashpad {
namespace test {
namespace {

TEST(Handle, HandleToInt) {
  EXPECT_EQ(0, HandleToInt(nullptr));
  EXPECT_EQ(-1, HandleToInt(INVALID_HANDLE_VALUE));
  EXPECT_EQ(1, HandleToInt(reinterpret_cast<HANDLE>(1)));
  EXPECT_EQ(std::numeric_limits<int>::max(),
            HandleToInt(reinterpret_cast<HANDLE>(
                static_cast<intptr_t>(std::numeric_limits<int>::max()))));
  EXPECT_EQ(std::numeric_limits<int>::min(),
            HandleToInt(reinterpret_cast<HANDLE>(
                static_cast<intptr_t>(std::numeric_limits<int>::min()))));
}

TEST(Handle, IntToHandle) {
  EXPECT_EQ(nullptr, IntToHandle(0));
  EXPECT_EQ(INVALID_HANDLE_VALUE, IntToHandle(-1));
  EXPECT_EQ(reinterpret_cast<HANDLE>(1), IntToHandle(1));
  EXPECT_EQ(reinterpret_cast<HANDLE>(
                static_cast<intptr_t>(std::numeric_limits<int>::max())),
            IntToHandle(std::numeric_limits<int>::max()));
  EXPECT_EQ(reinterpret_cast<HANDLE>(
                static_cast<intptr_t>(std::numeric_limits<int>::min())),
            IntToHandle(std::numeric_limits<int>::min()));
}

}  // namespace
}  // namespace test
}  // namespace crashpad