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 <stdint.h>
6
7 #include "base/environment.h"
8 #include "base/files/file_util.h"
9 #include "base/process/process_metrics.h"
10 #include "base/strings/string_number_conversions.h"
11 #include "base/strings/string_split.h"
12 #include "base/sys_info.h"
13 #include "base/threading/platform_thread.h"
14 #include "base/time/time.h"
15 #include "build/build_config.h"
16 #include "testing/gtest/include/gtest/gtest.h"
17 #include "testing/platform_test.h"
18
19 namespace base {
20
21 using SysInfoTest = PlatformTest;
22
TEST_F(SysInfoTest,NumProcs)23 TEST_F(SysInfoTest, NumProcs) {
24 // We aren't actually testing that it's correct, just that it's sane.
25 EXPECT_GE(SysInfo::NumberOfProcessors(), 1);
26 }
27
TEST_F(SysInfoTest,AmountOfMem)28 TEST_F(SysInfoTest, AmountOfMem) {
29 // We aren't actually testing that it's correct, just that it's sane.
30 EXPECT_GT(SysInfo::AmountOfPhysicalMemory(), 0);
31 EXPECT_GT(SysInfo::AmountOfPhysicalMemoryMB(), 0);
32 // The maxmimal amount of virtual memory can be zero which means unlimited.
33 EXPECT_GE(SysInfo::AmountOfVirtualMemory(), 0);
34 }
35
36 #if defined(OS_LINUX) || defined(OS_ANDROID)
37 #if defined(OS_LINUX)
38 #define MAYBE_AmountOfAvailablePhysicalMemory \
39 DISABLED_AmountOfAvailablePhysicalMemory
40 #else
41 #define MAYBE_AmountOfAvailablePhysicalMemory AmountOfAvailablePhysicalMemory
42 #endif // defined(OS_LINUX)
TEST_F(SysInfoTest,MAYBE_AmountOfAvailablePhysicalMemory)43 TEST_F(SysInfoTest, MAYBE_AmountOfAvailablePhysicalMemory) {
44 // Note: info is in _K_bytes.
45 SystemMemoryInfoKB info;
46 ASSERT_TRUE(GetSystemMemoryInfo(&info));
47 EXPECT_GT(info.free, 0);
48
49 if (info.available != 0) {
50 // If there is MemAvailable from kernel.
51 EXPECT_LT(info.available, info.total);
52 const int64_t amount = SysInfo::AmountOfAvailablePhysicalMemory(info);
53 // We aren't actually testing that it's correct, just that it's sane.
54 EXPECT_GT(amount, static_cast<int64_t>(info.free) * 1024);
55 EXPECT_LT(amount / 1024, info.available);
56 // Simulate as if there is no MemAvailable.
57 info.available = 0;
58 }
59
60 // There is no MemAvailable. Check the fallback logic.
61 const int64_t amount = SysInfo::AmountOfAvailablePhysicalMemory(info);
62 // We aren't actually testing that it's correct, just that it's sane.
63 EXPECT_GT(amount, static_cast<int64_t>(info.free) * 1024);
64 EXPECT_LT(amount / 1024, info.total);
65 }
66 #endif // defined(OS_LINUX) || defined(OS_ANDROID)
67
68 #if defined(OS_FUCHSIA)
69 // TODO(crbug.com/851734): Implementation depends on statvfs, which is not
70 // implemented on Fuchsia
71 #define MAYBE_AmountOfFreeDiskSpace DISABLED_AmountOfFreeDiskSpace
72 #else
73 #define MAYBE_AmountOfFreeDiskSpace AmountOfFreeDiskSpace
74 #endif
TEST_F(SysInfoTest,MAYBE_AmountOfFreeDiskSpace)75 TEST_F(SysInfoTest, MAYBE_AmountOfFreeDiskSpace) {
76 // We aren't actually testing that it's correct, just that it's sane.
77 FilePath tmp_path;
78 ASSERT_TRUE(GetTempDir(&tmp_path));
79 EXPECT_GE(SysInfo::AmountOfFreeDiskSpace(tmp_path), 0) << tmp_path.value();
80 }
81
82 #if defined(OS_FUCHSIA)
83 // TODO(crbug.com/851734): Implementation depends on statvfs, which is not
84 // implemented on Fuchsia
85 #define MAYBE_AmountOfTotalDiskSpace DISABLED_AmountOfTotalDiskSpace
86 #else
87 #define MAYBE_AmountOfTotalDiskSpace AmountOfTotalDiskSpace
88 #endif
TEST_F(SysInfoTest,MAYBE_AmountOfTotalDiskSpace)89 TEST_F(SysInfoTest, MAYBE_AmountOfTotalDiskSpace) {
90 // We aren't actually testing that it's correct, just that it's sane.
91 FilePath tmp_path;
92 ASSERT_TRUE(GetTempDir(&tmp_path));
93 EXPECT_GT(SysInfo::AmountOfTotalDiskSpace(tmp_path), 0) << tmp_path.value();
94 }
95
96 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
TEST_F(SysInfoTest,OperatingSystemVersionNumbers)97 TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
98 int32_t os_major_version = -1;
99 int32_t os_minor_version = -1;
100 int32_t os_bugfix_version = -1;
101 SysInfo::OperatingSystemVersionNumbers(&os_major_version,
102 &os_minor_version,
103 &os_bugfix_version);
104 EXPECT_GT(os_major_version, -1);
105 EXPECT_GT(os_minor_version, -1);
106 EXPECT_GT(os_bugfix_version, -1);
107 }
108 #endif
109
TEST_F(SysInfoTest,Uptime)110 TEST_F(SysInfoTest, Uptime) {
111 TimeDelta up_time_1 = SysInfo::Uptime();
112 // UpTime() is implemented internally using TimeTicks::Now(), which documents
113 // system resolution as being 1-15ms. Sleep a little longer than that.
114 PlatformThread::Sleep(TimeDelta::FromMilliseconds(20));
115 TimeDelta up_time_2 = SysInfo::Uptime();
116 EXPECT_GT(up_time_1.InMicroseconds(), 0);
117 EXPECT_GT(up_time_2.InMicroseconds(), up_time_1.InMicroseconds());
118 }
119
120 #if defined(OS_MACOSX)
TEST_F(SysInfoTest,HardwareModelNameFormatMacAndiOS)121 TEST_F(SysInfoTest, HardwareModelNameFormatMacAndiOS) {
122 std::string hardware_model = SysInfo::HardwareModelName();
123 ASSERT_FALSE(hardware_model.empty());
124 // Check that the model is of the expected format "Foo,Bar" where "Bar" is
125 // a number.
126 std::vector<StringPiece> pieces =
127 SplitStringPiece(hardware_model, ",", KEEP_WHITESPACE, SPLIT_WANT_ALL);
128 ASSERT_EQ(2u, pieces.size()) << hardware_model;
129 int value;
130 EXPECT_TRUE(StringToInt(pieces[1], &value)) << hardware_model;
131 }
132 #endif
133
134 #if defined(OS_CHROMEOS)
135
TEST_F(SysInfoTest,GoogleChromeOSVersionNumbers)136 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbers) {
137 int32_t os_major_version = -1;
138 int32_t os_minor_version = -1;
139 int32_t os_bugfix_version = -1;
140 const char kLsbRelease[] =
141 "FOO=1234123.34.5\n"
142 "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
143 SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, Time());
144 SysInfo::OperatingSystemVersionNumbers(&os_major_version,
145 &os_minor_version,
146 &os_bugfix_version);
147 EXPECT_EQ(1, os_major_version);
148 EXPECT_EQ(2, os_minor_version);
149 EXPECT_EQ(3, os_bugfix_version);
150 }
151
TEST_F(SysInfoTest,GoogleChromeOSVersionNumbersFirst)152 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbersFirst) {
153 int32_t os_major_version = -1;
154 int32_t os_minor_version = -1;
155 int32_t os_bugfix_version = -1;
156 const char kLsbRelease[] =
157 "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"
158 "FOO=1234123.34.5\n";
159 SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, Time());
160 SysInfo::OperatingSystemVersionNumbers(&os_major_version,
161 &os_minor_version,
162 &os_bugfix_version);
163 EXPECT_EQ(1, os_major_version);
164 EXPECT_EQ(2, os_minor_version);
165 EXPECT_EQ(3, os_bugfix_version);
166 }
167
TEST_F(SysInfoTest,GoogleChromeOSNoVersionNumbers)168 TEST_F(SysInfoTest, GoogleChromeOSNoVersionNumbers) {
169 int32_t os_major_version = -1;
170 int32_t os_minor_version = -1;
171 int32_t os_bugfix_version = -1;
172 const char kLsbRelease[] = "FOO=1234123.34.5\n";
173 SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, Time());
174 SysInfo::OperatingSystemVersionNumbers(&os_major_version,
175 &os_minor_version,
176 &os_bugfix_version);
177 EXPECT_EQ(0, os_major_version);
178 EXPECT_EQ(0, os_minor_version);
179 EXPECT_EQ(0, os_bugfix_version);
180 }
181
TEST_F(SysInfoTest,GoogleChromeOSLsbReleaseTime)182 TEST_F(SysInfoTest, GoogleChromeOSLsbReleaseTime) {
183 const char kLsbRelease[] = "CHROMEOS_RELEASE_VERSION=1.2.3.4";
184 // Use a fake time that can be safely displayed as a string.
185 const Time lsb_release_time(Time::FromDoubleT(12345.6));
186 SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, lsb_release_time);
187 Time parsed_lsb_release_time = SysInfo::GetLsbReleaseTime();
188 EXPECT_DOUBLE_EQ(lsb_release_time.ToDoubleT(),
189 parsed_lsb_release_time.ToDoubleT());
190 }
191
TEST_F(SysInfoTest,IsRunningOnChromeOS)192 TEST_F(SysInfoTest, IsRunningOnChromeOS) {
193 SysInfo::SetChromeOSVersionInfoForTest("", Time());
194 EXPECT_FALSE(SysInfo::IsRunningOnChromeOS());
195
196 const char kLsbRelease1[] =
197 "CHROMEOS_RELEASE_NAME=Non Chrome OS\n"
198 "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
199 SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease1, Time());
200 EXPECT_FALSE(SysInfo::IsRunningOnChromeOS());
201
202 const char kLsbRelease2[] =
203 "CHROMEOS_RELEASE_NAME=Chrome OS\n"
204 "CHROMEOS_RELEASE_VERSION=1.2.3.4\n";
205 SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease2, Time());
206 EXPECT_TRUE(SysInfo::IsRunningOnChromeOS());
207
208 const char kLsbRelease3[] =
209 "CHROMEOS_RELEASE_NAME=Chromium OS\n";
210 SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease3, Time());
211 EXPECT_TRUE(SysInfo::IsRunningOnChromeOS());
212 }
213
214 #endif // OS_CHROMEOS
215
216 } // namespace base
217