Move implementation of QuotaManager.getVolumeInfo to base::SysInfo.

base/sys_info_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 <stdint.h>
 
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/sys_info.h"
 #include "base/threading/platform_thread.h"
@@ skipping 26 matching lines @@
 }
 
 TEST_F(SysInfoTest, AmountOfFreeDiskSpace) {
   // We aren't actually testing that it's correct, just that it's sane.
   FilePath tmp_path;
   ASSERT_TRUE(base::GetTempDir(&tmp_path));
   EXPECT_GT(base::SysInfo::AmountOfFreeDiskSpace(tmp_path), 0)
             << tmp_path.value();
 }
 
+TEST_F(SysInfoTest, GetDiskSpaceInfo) {
+  // We aren't actually testing that it's correct, just that it's sane.
+  FilePath tmp_path;
+  ASSERT_TRUE(base::GetTempDir(&tmp_path));
+  int64_t available = 0;
+  int64_t total = 0;
+  EXPECT_TRUE(base::SysInfo::GetDiskSpaceInfo(tmp_path, &available, &total));
+  EXPECT_GT(available, 0) << tmp_path.value();

[Dan Beam, 2016/06/09 17:20:13]

what if the disk is full?  do we want to handle that by changing to _GE?  is
that nuts?

[fukino, 2016/06/10 01:33:36]

I updated it to _GE, and I changed the initial values of |available| and |total|
to -1 to check that the |available| is changed from initial value.

+  EXPECT_GT(total, 0) << tmp_path.value();
+}
+
 #if defined(OS_WIN) || defined(OS_MACOSX)
 TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
   int32_t os_major_version = -1;
   int32_t os_minor_version = -1;
   int32_t os_bugfix_version = -1;
   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
                                                &os_minor_version,
                                                &os_bugfix_version);
   EXPECT_GT(os_major_version, -1);
   EXPECT_GT(os_minor_version, -1);
@@ skipping 92 matching lines @@
   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease2, base::Time());
   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 
   const char kLsbRelease3[] =
       "CHROMEOS_RELEASE_NAME=Chromium OS\n";
   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease3, base::Time());
   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 }
 
 #endif  // OS_CHROMEOS