Disk cache: Read the index and data_0 files in a single...

net/disk_cache/block_files_unittest.cc

Index: net/disk_cache/block_files_unittest.cc
===================================================================
--- net/disk_cache/block_files_unittest.cc	(revision 52189)
+++ net/disk_cache/block_files_unittest.cc	(working copy)
@@ -203,4 +203,26 @@
   EXPECT_TRUE(NULL == files.GetFile(addr));
 }
 
+// Tests that we generate the correct file stats.
+TEST_F(DiskCacheTest, BlockFiles_Stats) {
+  ASSERT_TRUE(CopyTestCache("remove_load1"));
+  FilePath path = GetCacheFilePath();
+
+  BlockFiles files(path);
+  ASSERT_TRUE(files.Init(false));
+  int used, load;
+
+  files.GetFileStats(0, &used, &load);
+  EXPECT_EQ(101, used);
+  EXPECT_EQ(9, load);
+
+  files.GetFileStats(1, &used, &load);
+  EXPECT_EQ(203, used);
+  EXPECT_EQ(19, load);
+
+  files.GetFileStats(2, &used, &load);
+  EXPECT_EQ(0, used);
+  EXPECT_EQ(0, load);
+}
+
 }  // namespace disk_cache