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/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 }
  33
  34 TEST_F(SysInfoTest, AmountOfFreeDiskSpace) {
  35   // We aren't actually testing that it's correct, just that it's sane.
  36   FilePath tmp_path;
  37   ASSERT_TRUE(base::GetTempDir(&tmp_path));
  38   EXPECT_GT(base::SysInfo::AmountOfFreeDiskSpace(tmp_path), 0)
  39             << tmp_path.value();
  40 }
  41
  42 #if defined(OS_WIN) || defined(OS_MACOSX)
  43 TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
  44   int32 os_major_version = -1;
  45   int32 os_minor_version = -1;
  46   int32 os_bugfix_version = -1;
  47   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  48                                                &os_minor_version,
  49                                                &os_bugfix_version);
  50   EXPECT_GT(os_major_version, -1);
  51   EXPECT_GT(os_minor_version, -1);
  52   EXPECT_GT(os_bugfix_version, -1);
  53 }
  54 #endif
  55
  56 TEST_F(SysInfoTest, Uptime) {
  57   int64 up_time_1 = base::SysInfo::Uptime();
  58   // UpTime() is implemented internally using TimeTicks::Now(), which documents
  59   // system resolution as being 1-15ms. Sleep a little longer than that.
  60   base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(20));
  61   int64 up_time_2 = base::SysInfo::Uptime();
  62   EXPECT_GT(up_time_1, 0);
  63   EXPECT_GT(up_time_2, up_time_1);
  64 }
  65
  66 #if defined(OS_CHROMEOS)
  67
  68 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbers) {
  69   int32 os_major_version = -1;
  70   int32 os_minor_version = -1;
  71   int32 os_bugfix_version = -1;
  72   const char* kLsbRelease =
  73       "FOO=1234123.34.5\n"
  74       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
  75   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
  76   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
  77                                                &os_minor_version,
  78                                                &os_bugfix_version);
  79   EXPECT_EQ(1, os_major_version);
  80   EXPECT_EQ(2, os_minor_version);
  81   EXPECT_EQ(3, os_bugfix_version);
  82 }
  83
  84 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbersFirst) {
  85   int32 os_major_version = -1;
  86   int32 os_minor_version = -1;
  87   int32 os_bugfix_version = -1;
  88   const char* kLsbRelease =
  89       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"
  90       "FOO=1234123.34.5\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, GoogleChromeOSNoVersionNumbers) {
 101   int32 os_major_version = -1;
 102   int32 os_minor_version = -1;
 103   int32 os_bugfix_version = -1;
 104   const char* kLsbRelease = "FOO=1234123.34.5\n";
 105   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
 106   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
 107                                                &os_minor_version,
 108                                                &os_bugfix_version);
 109   EXPECT_EQ(0, os_major_version);
 110   EXPECT_EQ(0, os_minor_version);
 111   EXPECT_EQ(0, os_bugfix_version);
 112 }
 113
 114 TEST_F(SysInfoTest, GoogleChromeOSLsbReleaseTime) {
 115   const char* kLsbRelease = "CHROMEOS_RELEASE_VERSION=1.2.3.4";
 116   // Use a fake time that can be safely displayed as a string.
 117   const base::Time lsb_release_time(base::Time::FromDoubleT(12345.6));
 118   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, lsb_release_time);
 119   base::Time parsed_lsb_release_time = base::SysInfo::GetLsbReleaseTime();
 120   EXPECT_DOUBLE_EQ(lsb_release_time.ToDoubleT(),
 121                    parsed_lsb_release_time.ToDoubleT());
 122 }
 123
 124 TEST_F(SysInfoTest, IsRunningOnChromeOS) {
 125   base::SysInfo::SetChromeOSVersionInfoForTest("", base::Time());
 126   EXPECT_FALSE(base::SysInfo::IsRunningOnChromeOS());
 127
 128   const char* kLsbRelease1 =
 129       "CHROMEOS_RELEASE_NAME=Non Chrome OS\n"
 130       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
 131   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease1, base::Time());
 132   EXPECT_FALSE(base::SysInfo::IsRunningOnChromeOS());
 133
 134   const char* kLsbRelease2 =
 135       "CHROMEOS_RELEASE_NAME=Chrome OS\n"
 136       "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
 137   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease2, base::Time());
 138   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 139
 140   const char* kLsbRelease3 =
 141       "CHROMEOS_RELEASE_NAME=Chromium OS\n";
 142   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease3, base::Time());
 143   EXPECT_TRUE(base::SysInfo::IsRunningOnChromeOS());
 144 }
 145
 146 #endif  // OS_CHROMEOS