Cache backend for devices with flash storage

net/disk_cache/flash/flash_cache_test_base.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/disk_cache/flash/flash_cache_test_base.h"
+
+#include "base/file_path.h"
+#include "base/scoped_temp_dir.h"
+#include "base/time.h"
+#include "net/disk_cache/flash/format.h"
+#include "net/disk_cache/flash/storage.h"
+
+namespace {
+
+const int32 kSegmentCount = 10;
+const FilePath::StringType kCachePath = FILE_PATH_LITERAL("cache");
+
+}  // namespace
+
+FlashCacheTest::FlashCacheTest() : num_segments_in_storage_(kSegmentCount) {
+  int seed = static_cast<int>(base::Time::Now().ToInternalValue());
+  srand(seed);
+}
+
+FlashCacheTest::~FlashCacheTest() {
+}
+
+void FlashCacheTest::SetUp() {
+  ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
+  const FilePath path(temp_dir_.path().Append(kCachePath));
+
+  int32 storage_size = num_segments_in_storage_ * disk_cache::kFlashSegmentSize;
+  storage_.reset(new disk_cache::Storage(path, storage_size));
+  ASSERT_TRUE(storage_->Init());
+}
+
+void FlashCacheTest::TearDown() {
+  storage_.reset();
+}