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// Copyright 2021 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/files/scoped_file.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
namespace {
class ScopedFDOwnershipTrackingTest : public testing::Test {
public:
void SetUp() override { ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); }
void TearDown() override { ASSERT_TRUE(temp_dir_.Delete()); }
ScopedFD OpenFD() {
FilePath dont_care;
return CreateAndOpenFdForTemporaryFileInDir(temp_dir_.GetPath(),
&dont_care);
}
private:
ScopedTempDir temp_dir_;
};
TEST_F(ScopedFDOwnershipTrackingTest, BasicTracking) {
ScopedFD fd = OpenFD();
EXPECT_TRUE(IsFDOwned(fd.get()));
int fd_value = fd.get();
fd.reset();
EXPECT_FALSE(IsFDOwned(fd_value));
}
#if defined(GTEST_HAS_DEATH_TEST) && !defined(COMPONENT_BUILD)
TEST_F(ScopedFDOwnershipTrackingTest, NoDoubleOwnership) {
ScopedFD fd = OpenFD();
subtle::EnableFDOwnershipEnforcement(true);
EXPECT_DEATH(ScopedFD(fd.get()), "");
}
TEST_F(ScopedFDOwnershipTrackingTest, CrashOnUnownedClose) {
ScopedFD fd = OpenFD();
subtle::EnableFDOwnershipEnforcement(true);
EXPECT_DEATH(close(fd.get()), "");
}
#endif // defined(GTEST_HAS_DEATH_TEST) && !defined(COMPONENT_BUILD)
} // namespace
} // namespace base
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