SimpleCache: open with fewer seeks.

net/disk_cache/simple/simple_util_unittest.cc

 // Copyright (c) 2013 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 <stdint.h>
+#include <string>
 
 #include "base/logging.h"
 #include "net/disk_cache/simple/simple_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using disk_cache::simple_util::ConvertEntryHashKeyToHexString;
 using disk_cache::simple_util::GetEntryHashKeyAsHexString;
 using disk_cache::simple_util::GetEntryHashKeyFromHexString;
 using disk_cache::simple_util::GetEntryHashKey;
-using disk_cache::simple_util::GetFileSizeFromKeyAndDataSize;
-using disk_cache::simple_util::GetDataSizeFromKeyAndFileSize;
+using disk_cache::simple_util::GetFileSizeFromDataSize;
+using disk_cache::simple_util::GetDataSizeFromFileSize;
 
 class SimpleUtilTest : public testing::Test {};
 
 TEST_F(SimpleUtilTest, ConvertEntryHashKeyToHexString) {
   EXPECT_EQ("0000000005f5e0ff",
             ConvertEntryHashKeyToHexString(UINT64_C(99999999)));
   EXPECT_EQ("7fffffffffffffff",
             ConvertEntryHashKeyToHexString(UINT64_C(9223372036854775807)));
   EXPECT_EQ("8000000000000000",
             ConvertEntryHashKeyToHexString(UINT64_C(9223372036854775808)));
@@ skipping 36 matching lines @@
   // Wrong hash string size.
   EXPECT_FALSE(GetEntryHashKeyFromHexString("FFFFFFFFFFFFFFF", &hash_key));
 
   // Wrong hash string size.
   EXPECT_FALSE(GetEntryHashKeyFromHexString("FFFFFFFFFFFFFFFFF", &hash_key));
 
   EXPECT_FALSE(GetEntryHashKeyFromHexString("iwr8wglhg8*(&1231((", &hash_key));
 }
 
 TEST_F(SimpleUtilTest, SizesAndOffsets) {
-  const char key[] = "This is an example key";
+  const std::string key("This is an example key");
   const int data_size = 1000;
-  const int file_size = GetFileSizeFromKeyAndDataSize(key, data_size);
-  EXPECT_EQ(data_size, GetDataSizeFromKeyAndFileSize(key, file_size));
+  const int file_size = GetFileSizeFromDataSize(key.size(), data_size);
+  EXPECT_EQ(data_size, GetDataSizeFromFileSize(key.size(), file_size));
 }