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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "base/files/file_path.h"
      6 #include "net/disk_cache/blockfile/disk_format.h"
      7 #include "net/disk_cache/blockfile/storage_block-inl.h"
      8 #include "net/disk_cache/blockfile/storage_block.h"
      9 #include "net/disk_cache/disk_cache_test_base.h"
     10 #include "net/disk_cache/disk_cache_test_util.h"
     11 #include "testing/gtest/include/gtest/gtest.h"
     12 
     13 typedef disk_cache::StorageBlock<disk_cache::EntryStore> CacheEntryBlock;
     14 
     15 TEST_F(DiskCacheTest, StorageBlock_LoadStore) {
     16   base::FilePath filename = cache_path_.AppendASCII("a_test");
     17   scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
     18   ASSERT_TRUE(CreateCacheTestFile(filename));
     19   ASSERT_TRUE(file->Init(filename, 8192));
     20 
     21   CacheEntryBlock entry1(file.get(), disk_cache::Addr(0xa0010001));
     22   memset(entry1.Data(), 0, sizeof(disk_cache::EntryStore));
     23   entry1.Data()->hash = 0xaa5555aa;
     24   entry1.Data()->rankings_node = 0xa0010002;
     25 
     26   EXPECT_TRUE(entry1.Store());
     27   entry1.Data()->hash = 0x88118811;
     28   entry1.Data()->rankings_node = 0xa0040009;
     29 
     30   EXPECT_TRUE(entry1.Load());
     31   EXPECT_EQ(0xaa5555aa, entry1.Data()->hash);
     32   EXPECT_EQ(0xa0010002, entry1.Data()->rankings_node);
     33 }
     34 
     35 TEST_F(DiskCacheTest, StorageBlock_SetData) {
     36   base::FilePath filename = cache_path_.AppendASCII("a_test");
     37   scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
     38   ASSERT_TRUE(CreateCacheTestFile(filename));
     39   ASSERT_TRUE(file->Init(filename, 8192));
     40 
     41   CacheEntryBlock entry1(file.get(), disk_cache::Addr(0xa0010001));
     42   entry1.Data()->hash = 0xaa5555aa;
     43 
     44   CacheEntryBlock entry2(file.get(), disk_cache::Addr(0xa0010002));
     45   EXPECT_TRUE(entry2.Load());
     46   EXPECT_TRUE(entry2.Data() != NULL);
     47   EXPECT_TRUE(0 == entry2.Data()->hash);
     48 
     49   EXPECT_TRUE(entry2.Data() != entry1.Data());
     50   entry2.SetData(entry1.Data());
     51   EXPECT_EQ(0xaa5555aa, entry2.Data()->hash);
     52   EXPECT_TRUE(entry2.Data() == entry1.Data());
     53 }
     54 
     55 TEST_F(DiskCacheTest, StorageBlock_SetModified) {
     56   base::FilePath filename = cache_path_.AppendASCII("a_test");
     57   scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
     58   ASSERT_TRUE(CreateCacheTestFile(filename));
     59   ASSERT_TRUE(file->Init(filename, 8192));
     60 
     61   CacheEntryBlock* entry1 =
     62       new CacheEntryBlock(file.get(), disk_cache::Addr(0xa0010003));
     63   EXPECT_TRUE(entry1->Load());
     64   EXPECT_TRUE(0 == entry1->Data()->hash);
     65   entry1->Data()->hash = 0x45687912;
     66   entry1->set_modified();
     67   delete entry1;
     68 
     69   CacheEntryBlock entry2(file.get(), disk_cache::Addr(0xa0010003));
     70   EXPECT_TRUE(entry2.Load());
     71   EXPECT_TRUE(0x45687912 == entry2.Data()->hash);
     72 }
     73