1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57


base / scoped_clear_last_error_unittest.cc [blame]

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/scoped_clear_last_error.h"

#include "base/logging.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"

#if BUILDFLAG(IS_WIN)
#include <windows.h>
#endif  // BUILDFLAG(IS_WIN)

namespace base {

TEST(ScopedClearLastError, TestNoError) {
  errno = 1;
  {
    ScopedClearLastError clear_error;
    EXPECT_EQ(0, errno);
  }
  EXPECT_EQ(1, errno);
}

TEST(ScopedClearLastError, TestError) {
  errno = 1;
  {
    ScopedClearLastError clear_error;
    errno = 2;
  }
  EXPECT_EQ(1, errno);
}

#if BUILDFLAG(IS_WIN)

TEST(ScopedClearLastError, TestNoErrorWin) {
  ::SetLastError(1);
  {
    ScopedClearLastError clear_error;
    EXPECT_EQ(logging::SystemErrorCode(0), ::GetLastError());
  }
  EXPECT_EQ(logging::SystemErrorCode(1), ::GetLastError());
}

TEST(ScopedClearLastError, TestErrorWin) {
  ::SetLastError(1);
  {
    ScopedClearLastError clear_error;
    ::SetLastError(2);
  }
  EXPECT_EQ(logging::SystemErrorCode(1), ::GetLastError());
}

#endif  // BUILDFLAG(IS_WIN)

}  // namespace base