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- // 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 "test/scoped_temp_dir.h"
- #include <windows.h>
- #include "base/logging.h"
- #include "base/strings/string16.h"
- #include "base/strings/stringprintf.h"
- #include "base/strings/utf_string_conversions.h"
- #include "util/misc/random_string.h"
- #include "gtest/gtest.h"
- namespace crashpad {
- namespace test {
- namespace {
- base::FilePath GenerateCandidateName() {
- wchar_t temp_path[MAX_PATH + 1];
- DWORD path_len = GetTempPath(MAX_PATH, temp_path);
- PCHECK(path_len != 0) << "GetTempPath";
- base::FilePath system_temp_dir(temp_path);
- base::string16 new_dir_name = base::UTF8ToUTF16(base::StringPrintf(
- "crashpad.test.%lu.%s", GetCurrentProcessId(), RandomString().c_str()));
- return system_temp_dir.Append(new_dir_name);
- }
- constexpr int kRetries = 50;
- } // namespace
- void ScopedTempDir::Rename() {
- for (int count = 0; count < kRetries; ++count) {
- // Try to move to a new temporary directory with a randomly generated name.
- // If the one we try exists, retry with a new name until we reach some
- // limit.
- base::FilePath target_path = GenerateCandidateName();
- if (MoveFileEx(path_.value().c_str(), target_path.value().c_str(), 0)) {
- path_ = target_path;
- return;
- }
- }
- CHECK(false) << "Couldn't move to a new unique temp dir";
- }
- // static
- base::FilePath ScopedTempDir::CreateTemporaryDirectory() {
- for (int count = 0; count < kRetries; ++count) {
- // Try to create a new temporary directory with random generated name. If
- // the one we generate exists, keep trying another path name until we reach
- // some limit.
- base::FilePath path_to_create = GenerateCandidateName();
- if (CreateDirectory(path_to_create.value().c_str(), NULL))
- return path_to_create;
- }
- CHECK(false) << "Couldn't create a new unique temp dir";
- return base::FilePath();
- }
- } // namespace test
- } // namespace crashpad
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