base/sys_info_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/environment.h"
   6 #include "base/files/file_util.h"
   7 #include "base/sys_info.h"
   8 #include "base/threading/platform_thread.h"
   9 #include "base/time/time.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "testing/platform_test.h"
  12
  13 typedef PlatformTest SysInfoTest;
  14 using base::FilePath;
  15
  16 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
  17 TEST_F(SysInfoTest, MaxSharedMemorySize) {
  18   // We aren't actually testing that it's correct, just that it's sane.
  19   EXPECT_GT(base::SysInfo::MaxSharedMemorySize(), 0u);
  20 }
  21 #endif
  22
  23 TEST_F(SysInfoTest, NumProcs) {
  24   // We aren't actually testing that it's correct, just that it's sane.
  25   EXPECT_GE(base::SysInfo::NumberOfProcessors(), 1);
  26 }
  27
  28 TEST_F(SysInfoTest, AmountOfMem) {
  29   // We aren't actually testing that it's correct, just that it's sane.
  30   EXPECT_GT(base::SysInfo::AmountOfPhysicalMemory(), 0);
  31   EXPECT_GT(base::SysInfo::AmountOfPhysicalMemoryMB(), 0);
  32   // The maxmimal amount of virtual memory can be zero which means unlimited.
  33   EXPECT_GE(base::SysInfo::AmountOfVirtualMemory(), 0);
  34 }
  35
  36 TEST_F(SysInfoTest, AmountOfFreeDiskSpace) {
  37   // We aren't actually testing that it's correct, just that it's sane.
  38   FilePath tmp_path;
  39   ASSERT_TRUE(base::GetTempDir(&tmp_path));
  40   EXPECT_GT(base::SysInfo::AmountOfFreeDiskSpace(tmp_path), 0)
  41             << tmp_path.value();
  42 }
  43
  44 #if defined(OS_WIN) || defined(OS_MACOSX)
  45 TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
  46   int32 os_major_version = -1;
  47   int32 os_minor_version = -1;
  48   int32 os_bugfix_version = -1;
  49   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  50                                                &os_minor_version,
  51                                                &os_bugfix_version);
  52   EXPECT_GT(os_major_version, -1);
  53   EXPECT_GT(os_minor_version, -1);
  54   EXPECT_GT(os_bugfix_version, -1);
  55 }
  56 #endif
  57
  58 TEST_F(SysInfoTest, Uptime) {
  59   int64 up_time_1 = base::SysInfo::Uptime();
  60   // UpTime() is implemented internally using TimeTicks::Now(), which documents
  61   // system resolution as being 1-15ms. Sleep a little longer than that.
  62   base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(20));
  63   int64 up_time_2 = base::SysInfo::Uptime();
  64   EXPECT_GT(up_time_1, 0);
  65   EXPECT_GT(up_time_2, up_time_1);
  66 }
  67
  68 #if defined(OS_CHROMEOS)
  69
  70 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbers) {
  71   int32 os_major_version = -1;
  72   int32 os_minor_version = -1;
  73   int32 os_bugfix_version = -1;
  74   const char* kLsbRelease =
  75       "FOO=1234123.34.5\n"
  76       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
  77   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
  78   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  79                                                &os_minor_version,
  80                                                &os_bugfix_version);
  81   EXPECT_EQ(1, os_major_version);
  82   EXPECT_EQ(2, os_minor_version);
  83   EXPECT_EQ(3, os_bugfix_version);
  84 }
  85
  86 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbersFirst) {
  87   int32 os_major_version = -1;
  88   int32 os_minor_version = -1;
  89   int32 os_bugfix_version = -1;
  90   const char* kLsbRelease =
  91       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"
  92       "FOO=1234123.34.5\n";
  93   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
  94   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  95                                                &os_minor_version,
  96                                                &os_bugfix_version);
  97   EXPECT_EQ(1, os_major_version);
  98   EXPECT_EQ(2, os_minor_version);
  99   EXPECT_EQ(3, os_bugfix_version);
 100 }
 101
 102 TEST_F(SysInfoTest, GoogleChromeOSNoVersionNumbers) {
 103   int32 os_major_version = -1;
 104   int32 os_minor_version = -1;
 105   int32 os_bugfix_version = -1;
 106   const char* kLsbRelease = "FOO=1234123.34.5\n";
 107   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
 108   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
 109                                                &os_minor_version,
 110                                                &os_bugfix_version);
 111   EXPECT_EQ(0, os_major_version);
 112   EXPECT_EQ(0, os_minor_version);
 113   EXPECT_EQ(0, os_bugfix_version);
 114 }
 115
 116 TEST_F(SysInfoTest, GoogleChromeOSLsbReleaseTime) {
 117   const char* kLsbRelease = "CHROMEOS_RELEASE_VERSION=1.2.3.4";
 118   // Use a fake time that can be safely displayed as a string.
 119   const base::Time lsb_release_time(base::Time::FromDoubleT(12345.6));
 120   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, lsb_release_time);
 121   base::Time parsed_lsb_release_time = base::SysInfo::GetLsbReleaseTime();
 122   EXPECT_DOUBLE_EQ(lsb_release_time.ToDoubleT(),
 123                    parsed_lsb_release_time.ToDoubleT());
 124 }
 125
 126 TEST_F(SysInfoTest, IsRunningOnChromeOS) {
 127   base::SysInfo::SetChromeOSVersionInfoForTest("", base::Time());
 128   EXPECT_FALSE(base::SysInfo::IsRunningOnChromeOS());
 129
 130   const char* kLsbRelease1 =
 131       "CHROMEOS_RELEASE_NAME=Non Chrome OS\n"
 132       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
 133   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease1, base::Time());
 134   EXPECT_FALSE(base::SysInfo::IsRunningOnChromeOS());
 135
 136   const char* kLsbRelease2 =
 137       "CHROMEOS_RELEASE_NAME=Chrome OS\n"
 138       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
 139   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease2, base::Time());
 140   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 141
 142   const char* kLsbRelease3 =
 143       "CHROMEOS_RELEASE_NAME=Chromium OS\n";
 144   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease3, base::Time());
 145   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 146 }
 147
 148 #endif  // OS_CHROMEOS