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base / test / scoped_path_override.cc [blame]
// Copyright 2012 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/test/scoped_path_override.h"
#include <ostream>
#include "base/check.h"
#include "base/path_service.h"
namespace base {
ScopedPathOverride::ScopedPathOverride(int key) : key_(key) {
SaveOriginal();
bool result = temp_dir_.CreateUniqueTempDir();
CHECK(result);
result = PathService::Override(key, temp_dir_.GetPath());
CHECK(result);
}
ScopedPathOverride::ScopedPathOverride(int key, const base::FilePath& dir)
: key_(key) {
SaveOriginal();
bool result = PathService::Override(key, dir);
CHECK(result);
}
ScopedPathOverride::ScopedPathOverride(int key,
const FilePath& path,
bool is_absolute,
bool create)
: key_(key) {
SaveOriginal();
bool result =
PathService::OverrideAndCreateIfNeeded(key, path, is_absolute, create);
CHECK(result);
}
void ScopedPathOverride::SaveOriginal() {
if (PathService::IsOverriddenForTesting(key_)) {
original_override_ = PathService::CheckedGet(key_);
}
}
ScopedPathOverride::~ScopedPathOverride() {
bool result = PathService::RemoveOverrideForTests(key_);
CHECK(result) << "The override seems to have been removed already!";
if (original_override_) {
// PathService::Override, by default, does some (blocking) checks to ensure
// that the path is absolute and exists. As the original override must have
// already gone through these checks, we can skip these checks here.
// This is needed for some tests which use ScopedPathOverride in scopes that
// disallow blocking.
result = PathService::OverrideAndCreateIfNeeded(
key_, *original_override_, /*is_absolute=*/true, /*create=*/false);
CHECK(result);
}
}
} // namespace base