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 TEST_F(SysInfoTest, HasSeekPenalty) {
  45   FilePath tmp_path;
  46   ASSERT_TRUE(base::GetTempDir(&tmp_path));
  47   bool unused;
  48   base::SysInfo::HasSeekPenalty(tmp_path, &unused);
  49 }
  50
  51 #if defined(OS_WIN) || defined(OS_MACOSX)
  52 TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
  53   int32 os_major_version = -1;
  54   int32 os_minor_version = -1;
  55   int32 os_bugfix_version = -1;
  56   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  57                                                &os_minor_version,
  58                                                &os_bugfix_version);
  59   EXPECT_GT(os_major_version, -1);
  60   EXPECT_GT(os_minor_version, -1);
  61   EXPECT_GT(os_bugfix_version, -1);
  62 }
  63 #endif
  64
  65 TEST_F(SysInfoTest, Uptime) {
  66   int64 up_time_1 = base::SysInfo::Uptime();
  67   // UpTime() is implemented internally using TimeTicks::Now(), which documents
  68   // system resolution as being 1-15ms. Sleep a little longer than that.
  69   base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(20));
  70   int64 up_time_2 = base::SysInfo::Uptime();
  71   EXPECT_GT(up_time_1, 0);
  72   EXPECT_GT(up_time_2, up_time_1);
  73 }
  74
  75 #if defined(OS_MACOSX) && !defined(OS_IOS)
  76 TEST_F(SysInfoTest, HardwareModelName) {
  77   std::string hardware_model = base::SysInfo::HardwareModelName();
  78   EXPECT_FALSE(hardware_model.empty());
  79 }
  80 #endif
  81
  82 #if defined(OS_CHROMEOS)
  83
  84 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbers) {
  85   int32 os_major_version = -1;
  86   int32 os_minor_version = -1;
  87   int32 os_bugfix_version = -1;
  88   const char kLsbRelease[] =
  89       "FOO=1234123.34.5\n"
  90       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
  91   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
  92   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  93                                                &os_minor_version,
  94                                                &os_bugfix_version);
  95   EXPECT_EQ(1, os_major_version);
  96   EXPECT_EQ(2, os_minor_version);
  97   EXPECT_EQ(3, os_bugfix_version);
  98 }
  99
 100 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbersFirst) {
 101   int32 os_major_version = -1;
 102   int32 os_minor_version = -1;
 103   int32 os_bugfix_version = -1;
 104   const char kLsbRelease[] =
 105       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"
 106       "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(1, os_major_version);
 112   EXPECT_EQ(2, os_minor_version);
 113   EXPECT_EQ(3, os_bugfix_version);
 114 }
 115
 116 TEST_F(SysInfoTest, GoogleChromeOSNoVersionNumbers) {
 117   int32 os_major_version = -1;
 118   int32 os_minor_version = -1;
 119   int32 os_bugfix_version = -1;
 120   const char kLsbRelease[] = "FOO=1234123.34.5\n";
 121   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
 122   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
 123                                                &os_minor_version,
 124                                                &os_bugfix_version);
 125   EXPECT_EQ(0, os_major_version);
 126   EXPECT_EQ(0, os_minor_version);
 127   EXPECT_EQ(0, os_bugfix_version);
 128 }
 129
 130 TEST_F(SysInfoTest, GoogleChromeOSLsbReleaseTime) {
 131   const char kLsbRelease[] = "CHROMEOS_RELEASE_VERSION=1.2.3.4";
 132   // Use a fake time that can be safely displayed as a string.
 133   const base::Time lsb_release_time(base::Time::FromDoubleT(12345.6));
 134   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, lsb_release_time);
 135   base::Time parsed_lsb_release_time = base::SysInfo::GetLsbReleaseTime();
 136   EXPECT_DOUBLE_EQ(lsb_release_time.ToDoubleT(),
 137                    parsed_lsb_release_time.ToDoubleT());
 138 }
 139
 140 TEST_F(SysInfoTest, IsRunningOnChromeOS) {
 141   base::SysInfo::SetChromeOSVersionInfoForTest("", base::Time());
 142   EXPECT_FALSE(base::SysInfo::IsRunningOnChromeOS());
 143
 144   const char kLsbRelease1[] =
 145       "CHROMEOS_RELEASE_NAME=Non Chrome OS\n"
 146       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
 147   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease1, base::Time());
 148   EXPECT_FALSE(base::SysInfo::IsRunningOnChromeOS());
 149
 150   const char kLsbRelease2[] =
 151       "CHROMEOS_RELEASE_NAME=Chrome OS\n"
 152       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
 153   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease2, base::Time());
 154   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 155
 156   const char kLsbRelease3[] =
 157       "CHROMEOS_RELEASE_NAME=Chromium OS\n";
 158   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease3, base::Time());
 159   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 160 }
 161
 162 #endif  // OS_CHROMEOS