Initialize the simple cache backend at runtime.

net/disk_cache/backend_unittest.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 "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/threading/platform_thread.h"
@@ skipping 199 matching lines @@
 
 TEST_F(DiskCacheTest, CreateBackend) {
   net::TestCompletionCallback cb;
 
   {
     ASSERT_TRUE(CleanupCacheDir());
     base::Thread cache_thread("CacheThread");
     ASSERT_TRUE(cache_thread.StartWithOptions(
                     base::Thread::Options(MessageLoop::TYPE_IO, 0)));
 
     // Test the private factory methods.

[rvargas (doing something else), 2013/03/13 19:36:01]

If there's no private factory method, this part of the test must be removed.

[pasko-google - do not use, 2013/03/18 15:47:07]

Done.

     disk_cache::Backend* cache = NULL;
-    int rv = disk_cache::BackendImpl::CreateBackend(
-        cache_path_, false, 0, net::DISK_CACHE, disk_cache::kNoRandom,
-        cache_thread.message_loop_proxy(), NULL, &cache, cb.callback());
+    int rv = disk_cache::CreateCacheBackend(net::DISK_CACHE, cache_path_,
+        0, false, cache_thread.message_loop_proxy(), NULL, &cache,
+        cb.callback());
     ASSERT_EQ(net::OK, cb.GetResult(rv));
     ASSERT_TRUE(cache);
     delete cache;
 
     cache = disk_cache::MemBackendImpl::CreateBackend(0, NULL);
     ASSERT_TRUE(cache);
     delete cache;
     cache = NULL;
 
     // Now test the public API.
@@ skipping 59 matching lines @@
   {
     ASSERT_TRUE(CleanupCacheDir());
     base::Thread cache_thread("CacheThread");
     ASSERT_TRUE(cache_thread.StartWithOptions(
                     base::Thread::Options(MessageLoop::TYPE_IO, 0)));
 
     disk_cache::Backend* cache;
     uint32 flags = disk_cache::kNoBuffering;
     if (!fast)
       flags |= disk_cache::kNoRandom;
-    rv = disk_cache::BackendImpl::CreateBackend(
-             cache_path_, false, 0, net::DISK_CACHE, flags,
+    rv = disk_cache::CreateCacheBackendWithFlags(
+             net::DISK_CACHE, cache_path_, 0, false, flags,
              base::MessageLoopProxy::current(), NULL,
              &cache, cb.callback());
     ASSERT_EQ(net::OK, cb.GetResult(rv));
 
     disk_cache::EntryImpl* entry;
     rv = cache->CreateEntry(
         "some key", reinterpret_cast<disk_cache::Entry**>(&entry),
         cb.callback());
     ASSERT_EQ(net::OK, cb.GetResult(rv));
 
@@ skipping 56 matching lines @@
   {
     ASSERT_TRUE(CleanupCacheDir());
     base::Thread cache_thread("CacheThread");
     ASSERT_TRUE(cache_thread.StartWithOptions(
                     base::Thread::Options(MessageLoop::TYPE_IO, 0)));
 
     disk_cache::Backend* cache;
     uint32 flags = disk_cache::kNoBuffering;
     if (!fast)
       flags |= disk_cache::kNoRandom;
-    int rv = disk_cache::BackendImpl::CreateBackend(
-        cache_path_, false, 0, net::DISK_CACHE, flags,
+    int rv = disk_cache::CreateCacheBackendWithFlags(
+        net::DISK_CACHE, cache_path_, 0, false, flags,
         cache_thread.message_loop_proxy(), NULL, &cache, cb.callback());
     ASSERT_EQ(net::OK, cb.GetResult(rv));
 
     disk_cache::Entry* entry;
     rv = cache->CreateEntry("some key", &entry, cb.callback());
     ASSERT_EQ(net::OK, cb.GetResult(rv));
 
     entry->Close();
 
     // The cache destructor will see one pending operation here.
@@ skipping 21 matching lines @@
 
   {
     ASSERT_TRUE(CleanupCacheDir());
     base::Thread cache_thread("CacheThread");
     ASSERT_TRUE(cache_thread.StartWithOptions(
                     base::Thread::Options(MessageLoop::TYPE_IO, 0)));
 
     disk_cache::Backend* cache;
     disk_cache::BackendFlags flags =
       fast ? disk_cache::kNone : disk_cache::kNoRandom;
-    int rv = disk_cache::BackendImpl::CreateBackend(
-        cache_path_, false, 0, net::DISK_CACHE, flags,
+    int rv = disk_cache::CreateCacheBackendWithFlags(
+        net::DISK_CACHE, cache_path_, 0, false, flags,
         cache_thread.message_loop_proxy(), NULL, &cache, cb.callback());
     ASSERT_EQ(net::OK, cb.GetResult(rv));
 
     disk_cache::Entry* entry;
     rv = cache->CreateEntry("some key", &entry, cb.callback());
     ASSERT_EQ(net::ERR_IO_PENDING, rv);
 
     delete cache;
     EXPECT_FALSE(cb.have_result());
   }
@@ skipping 17 matching lines @@
   ASSERT_TRUE(CleanupCacheDir());
   base::FilePath index = cache_path_.AppendASCII("index");
   ASSERT_EQ(5, file_util::WriteFile(index, "hello", 5));
 
   base::Thread cache_thread("CacheThread");
   ASSERT_TRUE(cache_thread.StartWithOptions(
                   base::Thread::Options(MessageLoop::TYPE_IO, 0)));
   net::TestCompletionCallback cb;
 
   disk_cache::Backend* backend = NULL;
-  int rv = disk_cache::BackendImpl::CreateBackend(
-      cache_path_, false, 0, net::DISK_CACHE, disk_cache::kNone,
+  int rv = disk_cache::CreateCacheBackend(
+      net::DISK_CACHE, cache_path_, 0, false,
       cache_thread.message_loop_proxy(), NULL, &backend, cb.callback());
   ASSERT_NE(net::OK, cb.GetResult(rv));
 
   ASSERT_TRUE(backend == NULL);
   delete backend;
 }
 
 void DiskCacheBackendTest::BackendSetSize() {
   SetDirectMode();
   const int cache_size = 0x10000;  // 64 kB
@@ skipping 1072 matching lines @@
 
 // Tests dealing with cache files that cannot be recovered.
 TEST_F(DiskCacheTest, DeleteOld) {
   ASSERT_TRUE(CopyTestCache("wrong_version"));
   base::Thread cache_thread("CacheThread");
   ASSERT_TRUE(cache_thread.StartWithOptions(
                   base::Thread::Options(MessageLoop::TYPE_IO, 0)));
   net::TestCompletionCallback cb;
 
   disk_cache::Backend* cache;
-  int rv = disk_cache::BackendImpl::CreateBackend(
-               cache_path_, true, 0, net::DISK_CACHE, disk_cache::kNoRandom,
+  int rv = disk_cache::CreateCacheBackendWithFlags(
+               net::DISK_CACHE, cache_path_, 0, true, disk_cache::kNoRandom,
                cache_thread.message_loop_proxy(), NULL, &cache, cb.callback());
   ASSERT_EQ(net::OK, cb.GetResult(rv));
 
   MessageLoopHelper helper;
 
   ASSERT_TRUE(NULL != cache);
   ASSERT_EQ(0, cache->GetEntryCount());
 
   delete cache;
 }
@@ skipping 883 matching lines @@
   ASSERT_TRUE(store2.CreateUniqueTempDir());
 
   base::Thread cache_thread("CacheThread");
   ASSERT_TRUE(cache_thread.StartWithOptions(
       base::Thread::Options(MessageLoop::TYPE_IO, 0)));
   net::TestCompletionCallback cb;
 
   const int kNumberOfCaches = 2;
   disk_cache::Backend* cache[kNumberOfCaches];
 
-  int rv = disk_cache::BackendImpl::CreateBackend(
-      store1.path(), false, 0, net::DISK_CACHE, disk_cache::kNone,
+  int rv = disk_cache::CreateCacheBackend(
+      net::DISK_CACHE, store1.path(), 0, false,
       cache_thread.message_loop_proxy(), NULL, &cache[0], cb.callback());
   ASSERT_EQ(net::OK, cb.GetResult(rv));
-  rv = disk_cache::BackendImpl::CreateBackend(
-      store2.path(), false, 0, net::MEDIA_CACHE, disk_cache::kNone,
+  rv = disk_cache::CreateCacheBackend(
+      net::MEDIA_CACHE, store2.path(), 0, false,
       cache_thread.message_loop_proxy(), NULL, &cache[1], cb.callback());
   ASSERT_EQ(net::OK, cb.GetResult(rv));
 
   ASSERT_TRUE(cache[0] != NULL && cache[1] != NULL);
 
   std::string key("the first key");
   disk_cache::Entry* entry;
   for (int i = 0; i < kNumberOfCaches; i++) {
     rv = cache[i]->CreateEntry(key, &entry, cb.callback());
     ASSERT_EQ(net::OK, cb.GetResult(rv));
@@ skipping 205 matching lines @@
   // Ping the oldest entry.
   cache_->OnExternalCacheHit("key0");
 
   TrimForTest(false);
 
   // Make sure the older key remains.
   EXPECT_EQ(1, cache_->GetEntryCount());
   ASSERT_EQ(net::OK, OpenEntry("key0", &entry));
   entry->Close();
 }