94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
// Copyright 2022 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/test/test_file_util.h"
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#include <windows.h>
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#include <string>
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#include "base/files/file_path.h"
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#include "base/files/file_util.h"
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#include "base/files/scoped_temp_dir.h"
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#include "base/win/scoped_handle.h"
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#include "testing/gmock/include/gmock/gmock.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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namespace {
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class ScopedFileForTest {
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public:
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ScopedFileForTest(const FilePath& filename)
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: long_path_(L"\\\\?\\" + filename.value()) {
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win::ScopedHandle handle(::CreateFile(long_path_.c_str(), GENERIC_WRITE, 0,
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nullptr, CREATE_NEW,
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FILE_ATTRIBUTE_NORMAL, nullptr));
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valid_ = handle.is_valid();
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}
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ScopedFileForTest(ScopedFileForTest&&) = delete;
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ScopedFileForTest& operator=(ScopedFileForTest&&) = delete;
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bool IsValid() const { return valid_; }
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~ScopedFileForTest() {
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if (valid_)
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::DeleteFile(long_path_.c_str());
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}
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private:
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FilePath::StringType long_path_;
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bool valid_;
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};
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} // namespace
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TEST(TestFileUtil, EvictNonExistingFile) {
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ScopedTempDir temp_dir;
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ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
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FilePath path = temp_dir.GetPath().Append(FilePath(L"non_existing"));
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ASSERT_FALSE(EvictFileFromSystemCache(path));
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}
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TEST(TestFileUtil, EvictFileWithShortName) {
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ScopedTempDir temp_dir;
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ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
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FilePath temp_file = temp_dir.GetPath().Append(FilePath(L"file_for_evict"));
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ASSERT_TRUE(temp_file.value().length() < MAX_PATH);
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ScopedFileForTest file(temp_file);
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ASSERT_TRUE(file.IsValid());
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ASSERT_TRUE(EvictFileFromSystemCache(temp_file));
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}
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TEST(TestFileUtil, EvictFileWithLongName) {
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ScopedTempDir temp_dir;
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ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
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// Create subdirectory with long name.
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FilePath subdir =
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temp_dir.GetPath().Append(FilePath(std::wstring(100, L'a')));
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ASSERT_TRUE(subdir.value().length() < MAX_PATH);
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ASSERT_TRUE(CreateDirectory(subdir));
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// Create file with long name in subdirectory.
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FilePath temp_file = subdir.Append(FilePath(std::wstring(200, L'b')));
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ASSERT_TRUE(temp_file.value().length() > MAX_PATH);
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ScopedFileForTest file(temp_file);
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ASSERT_TRUE(file.IsValid());
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ASSERT_TRUE(EvictFileFromSystemCache(temp_file));
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}
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TEST(TestFileUtil, GetTempDirForTesting) {
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ASSERT_FALSE(GetTempDirForTesting().value().empty());
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}
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} // namespace base
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