Add a TouchFile function that operates on FilePaths + fixing a bug...

base/file_util_unittest.cc

 // Copyright (c) 2010 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <winioctl.h>
 #include <shellapi.h>
@@ skipping 1735 matching lines @@
       FilePath(foo.value() + FILE_PATH_LITERAL("/bar.txt"))));
 #elif defined(OS_MACOSX)
   // We can't really do this test on OS X since the case-sensitivity of the
   // filesystem is configurable.
 #elif defined(OS_POSIX)
   EXPECT_FALSE(file_util::ContainsPath(foo,
       foo_caps.Append(FILE_PATH_LITERAL("bar.txt"))));
 #endif
 }
 
-TEST_F(FileUtilTest, LastModified) {
+TEST_F(FileUtilTest, TouchFile) {
   FilePath data_dir =
       temp_dir_.path().Append(FILE_PATH_LITERAL("FilePathTest"));
 
   // Create a fresh, empty copy of this directory.
   if (file_util::PathExists(data_dir)) {
     ASSERT_TRUE(file_util::Delete(data_dir, true));
   }
   ASSERT_TRUE(file_util::CreateDirectory(data_dir));
 
   FilePath foobar(data_dir.Append(FILE_PATH_LITERAL("foobar.txt")));
   std::string data("hello");
   ASSERT_TRUE(file_util::WriteFile(foobar, data.c_str(), data.length()));
 
+  base::Time access_time;
+  // This timestamp is divisible by one day (in local timezone),
+  // to make it work on FAT too.
+  ASSERT_TRUE(base::Time::FromString(L"Wed, 16 Nov 1994, 00:00:00",
+                                     &access_time));
+
   base::Time modification_time;
   // Note that this timestamp is divisible by two (seconds) - FAT stores
   // modification times with 2s resolution.
   ASSERT_TRUE(base::Time::FromString(L"Tue, 15 Nov 1994, 12:45:26 GMT",
               &modification_time));
-  ASSERT_TRUE(file_util::SetLastModifiedTime(foobar, modification_time));
+
+  ASSERT_TRUE(file_util::TouchFile(foobar, access_time, modification_time));
   base::PlatformFileInfo file_info;
   ASSERT_TRUE(file_util::GetFileInfo(foobar, &file_info));
-  ASSERT_TRUE(file_info.last_modified == modification_time);
+  EXPECT_EQ(file_info.last_accessed.ToInternalValue(),
+            access_time.ToInternalValue());
+  EXPECT_EQ(file_info.last_modified.ToInternalValue(),
+            modification_time.ToInternalValue());
 }
 
 TEST_F(FileUtilTest, IsDirectoryEmpty) {
   FilePath empty_dir = temp_dir_.path().Append(FILE_PATH_LITERAL("EmptyDir"));
 
   ASSERT_FALSE(file_util::PathExists(empty_dir));
 
   ASSERT_TRUE(file_util::CreateDirectory(empty_dir));
 
   EXPECT_TRUE(file_util::IsDirectoryEmpty(empty_dir));
 
   FilePath foo(empty_dir.Append(FILE_PATH_LITERAL("foo.txt")));
   std::string bar("baz");
   ASSERT_TRUE(file_util::WriteFile(foo, bar.c_str(), bar.length()));
 
   EXPECT_FALSE(file_util::IsDirectoryEmpty(empty_dir));
 }
 
 }  // namespace