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1// Copyright 2012 The Chromium Authors
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#import <UIKit/UIKit.h>
6
7#include "base/ios/device_util.h"
8#include "base/strings/sys_string_conversions.h"
9#include "testing/gtest/include/gtest/gtest.h"
10#include "testing/gtest_mac.h"
11#include "testing/platform_test.h"
12
13namespace {
14
15// The behavior of most of these utility functions depends on what they are run
16// on, so there is not much to unittest them. The APIs are run to make sure they
17// don't choke. Additional checks are added for particular APIs when needed.
18
19typedef PlatformTest DeviceUtilTest;
20
21void CleanNSUserDefaultsForDeviceId() {
22  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
23  [defaults removeObjectForKey:@"ChromeClientID"];
24  [defaults removeObjectForKey:@"ChromiumClientID"];
25  [defaults removeObjectForKey:@"ClientIDGenerationHardwareType"];
26  [defaults synchronize];
27}
28
29TEST_F(DeviceUtilTest, GetPlatform) {
30  GTEST_ASSERT_GT(ios::device_util::GetPlatform().length(), 0U);
31}
32
33TEST_F(DeviceUtilTest, IsSingleCoreDevice) {
34  ios::device_util::IsSingleCoreDevice();
35}
36
37TEST_F(DeviceUtilTest, GetMacAddress) {
38  GTEST_ASSERT_GT(ios::device_util::GetMacAddress("en0").length(), 0U);
39}
40
41TEST_F(DeviceUtilTest, GetRandomId) {
42  GTEST_ASSERT_GT(ios::device_util::GetRandomId().length(), 0U);
43}
44
45TEST_F(DeviceUtilTest, GetDeviceIdentifier) {
46  CleanNSUserDefaultsForDeviceId();
47
48  std::string default_id = ios::device_util::GetDeviceIdentifier(NULL);
49  std::string other_id = ios::device_util::GetDeviceIdentifier("ForTest");
50  EXPECT_NE(default_id, other_id);
51
52  CleanNSUserDefaultsForDeviceId();
53
54  std::string new_default_id = ios::device_util::GetDeviceIdentifier(NULL);
55  if (![[[[UIDevice currentDevice] identifierForVendor] UUIDString]
56          isEqualToString:@"00000000-0000-0000-0000-000000000000"]) {
57    EXPECT_EQ(default_id, new_default_id);
58  } else {
59    EXPECT_NE(default_id, new_default_id);
60  }
61
62  CleanNSUserDefaultsForDeviceId();
63}
64
65TEST_F(DeviceUtilTest, CheckMigration) {
66  CleanNSUserDefaultsForDeviceId();
67
68  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
69  [defaults setObject:@"10000000-0000-0000-0000-000000000000"
70               forKey:@"ChromeClientID"];
71  [defaults synchronize];
72  std::string expected_id = ios::device_util::GetDeviceIdentifier(NULL);
73  [defaults removeObjectForKey:@"ChromeClientID"];
74  [defaults setObject:@"10000000-0000-0000-0000-000000000000"
75               forKey:@"ChromiumClientID"];
76  [defaults synchronize];
77  std::string new_id = ios::device_util::GetDeviceIdentifier(NULL);
78  EXPECT_EQ(expected_id, new_id);
79
80  CleanNSUserDefaultsForDeviceId();
81}
82
83TEST_F(DeviceUtilTest, CheckMigrationFromZero) {
84  CleanNSUserDefaultsForDeviceId();
85
86  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
87  [defaults setObject:@"00000000-0000-0000-0000-000000000000"
88               forKey:@"ChromeClientID"];
89  [defaults synchronize];
90  std::string zero_id = ios::device_util::GetDeviceIdentifier(NULL);
91  [defaults removeObjectForKey:@"ChromeClientID"];
92  [defaults setObject:@"00000000-0000-0000-0000-000000000000"
93               forKey:@"ChromiumClientID"];
94  [defaults synchronize];
95  std::string new_id = ios::device_util::GetDeviceIdentifier(NULL);
96  EXPECT_NE(zero_id, new_id);
97
98  CleanNSUserDefaultsForDeviceId();
99}
100
101TEST_F(DeviceUtilTest, GetSaltedStringEquals) {
102  std::string string1("The quick brown fox jumps over the lazy dog");
103  std::string string2("The quick brown fox jumps over the lazy dog");
104  std::string salt("salt");
105  // Same string and same salt should result in the same salted string.
106  EXPECT_EQ(ios::device_util::GetSaltedString(string1, salt),
107            ios::device_util::GetSaltedString(string2, salt));
108}
109
110TEST_F(DeviceUtilTest, GetSaltedStringNotEquals) {
111  std::string string1("The quick brown fox jumps over the lazy dog");
112  std::string string2("The lazy brown fox jumps over the quick dog");
113  std::string salt("salt");
114  // Different string and same salt should result in different salted strings.
115  EXPECT_NE(ios::device_util::GetSaltedString(string1, salt),
116            ios::device_util::GetSaltedString(string2, salt));
117}
118
119TEST_F(DeviceUtilTest, GetSaltedStringDifferentSalt) {
120  std::string string1("The quick brown fox jumps over the lazy dog");
121  std::string salt1("salt");
122  std::string salt2("pepper");
123  // Same string with different salt should result in different salted strings.
124  EXPECT_NE(ios::device_util::GetSaltedString(string1, salt1),
125            ios::device_util::GetSaltedString(string1, salt2));
126}
127
128TEST_F(DeviceUtilTest, CheckDeviceMigration) {
129  CleanNSUserDefaultsForDeviceId();
130
131  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
132  [defaults setObject:@"10000000-0000-0000-0000-000000000000"
133               forKey:@"ChromeClientID"];
134  [defaults synchronize];
135  std::string base_id = ios::device_util::GetDeviceIdentifier(NULL);
136  [defaults setObject:@"Foo" forKey:@"ClientIDGenerationHardwareType"];
137  [defaults synchronize];
138  std::string new_id = ios::device_util::GetDeviceIdentifier(NULL);
139  EXPECT_NE(new_id, base_id);
140
141  CleanNSUserDefaultsForDeviceId();
142}
143
144}  // namespace
145