Getting OS version numbers for Linux.

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 27 matching lines @@
 }
 
 TEST_F(SysInfoTest, AmountOfTotalDiskSpace) {
   // 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::AmountOfTotalDiskSpace(tmp_path), 0)
             << tmp_path.value();
 }
 
-#if defined(OS_WIN) || defined(OS_MACOSX)
+#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
 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);
   EXPECT_GT(os_bugfix_version, -1);
@@ skipping 101 matching lines @@
   const char* kLsbRelease1 = "CHROMEOS_RELEASE_BOARD=Glimmer\n";
   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease1, base::Time());
   EXPECT_EQ("glimmer", base::SysInfo::GetStrippedReleaseBoard());
 
   const char* kLsbRelease2 = "CHROMEOS_RELEASE_BOARD=glimmer-signed-mp-v4keys";
   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease2, base::Time());
   EXPECT_EQ("glimmer", base::SysInfo::GetStrippedReleaseBoard());
 }
 
 #endif  // OS_CHROMEOS