tvl-depot/absl/base/internal/errno_saver_test.cc
Abseil Team 0d5ce2797e Export of internal Abseil changes
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20405fc394419d434d3ea09b2e62e4edcb282421 by Christian Blichmann <cblichmann@google.com>:

Include `status` subdirectory in main `CMakeLists.txt`

PiperOrigin-RevId: 297125966

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101087af9689612bdda679ee0869e5cde4472244 by Matt Kulukundis <kfm@google.com>:

Fix typo

PiperOrigin-RevId: 296991360

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55ff5bc6970d46214c0459d3a7a23973c7dc69b9 by Andy Getzendanner <durandal@google.com>:

Extract logging's ErrnoSaver to absl::base_internal and use it in a couple other places.

PiperOrigin-RevId: 296969168

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b7cd7550297d53766576f751436617200c65831b by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 296951474

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8c04c73fc53f9a09c3e2400812b931157f35fe07 by Andy Soffer <asoffer@google.com>:

Auto-generate list of files in the DLL, and add new build targets to the DLL.

PiperOrigin-RevId: 296932061

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2f77829e196094f1addefd8ac2ac9e398c5b6100 by Andy Soffer <asoffer@google.com>:

Fix bug introduced by DLL where we couldn't build shared libraries on
non-windows platforms.

Fixes #623

PiperOrigin-RevId: 296919347

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b768163dbbff0c561b9dff0218a699e5e4fd33f3 by Abseil Team <absl-team@google.com>:

typo: microprosessor

PiperOrigin-RevId: 296904933

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b185da0dac44c91855373f0723df9242cbfb3db3 by Matthew Brown <matthewbr@google.com>:

Internal cleanup

PiperOrigin-RevId: 296509711
GitOrigin-RevId: 20405fc394419d434d3ea09b2e62e4edcb282421
Change-Id: I55c8eba6f353ceb337455ae144ab743ea21edbef
2020-02-25 13:12:47 -05:00

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1.3 KiB
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// Copyright 2018 The Abseil Authors.
//
// 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
//
// https://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 "absl/base/internal/errno_saver.h"
#include <cerrno>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace {
using ::testing::Eq;
struct ErrnoPrinter {
int no;
};
std::ostream &operator<<(std::ostream &os, ErrnoPrinter ep) {
return os << strerror(ep.no) << " [" << ep.no << "]";
}
bool operator==(ErrnoPrinter one, ErrnoPrinter two) { return one.no == two.no; }
TEST(ErrnoSaverTest, Works) {
errno = EDOM;
{
absl::base_internal::ErrnoSaver errno_saver;
EXPECT_THAT(ErrnoPrinter{errno}, Eq(ErrnoPrinter{EDOM}));
errno = ERANGE;
EXPECT_THAT(ErrnoPrinter{errno}, Eq(ErrnoPrinter{ERANGE}));
EXPECT_THAT(ErrnoPrinter{errno_saver()}, Eq(ErrnoPrinter{EDOM}));
}
EXPECT_THAT(ErrnoPrinter{errno}, Eq(ErrnoPrinter{EDOM}));
}
} // namespace