1 /*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #if defined(__BIONIC__)
20 #include <async_safe/log.h>
21 #endif // __BIONIC__
22
TEST(async_safe_log,smoke)23 TEST(async_safe_log, smoke) {
24 #if defined(__BIONIC__)
25 char buf[BUFSIZ];
26
27 async_safe_format_buffer(buf, sizeof(buf), "a");
28 EXPECT_STREQ("a", buf);
29
30 async_safe_format_buffer(buf, sizeof(buf), "%%");
31 EXPECT_STREQ("%", buf);
32
33 async_safe_format_buffer(buf, sizeof(buf), "01234");
34 EXPECT_STREQ("01234", buf);
35
36 async_safe_format_buffer(buf, sizeof(buf), "a%sb", "01234");
37 EXPECT_STREQ("a01234b", buf);
38
39 char* s = nullptr;
40 async_safe_format_buffer(buf, sizeof(buf), "a%sb", s);
41 EXPECT_STREQ("a(null)b", buf);
42
43 async_safe_format_buffer(buf, sizeof(buf), "aa%scc", "bb");
44 EXPECT_STREQ("aabbcc", buf);
45
46 async_safe_format_buffer(buf, sizeof(buf), "a%cc", 'b');
47 EXPECT_STREQ("abc", buf);
48
49 async_safe_format_buffer(buf, sizeof(buf), "a%db", 1234);
50 EXPECT_STREQ("a1234b", buf);
51
52 async_safe_format_buffer(buf, sizeof(buf), "a%db", -8123);
53 EXPECT_STREQ("a-8123b", buf);
54
55 async_safe_format_buffer(buf, sizeof(buf), "a%hdb", static_cast<short>(0x7fff0010));
56 EXPECT_STREQ("a16b", buf);
57
58 async_safe_format_buffer(buf, sizeof(buf), "a%hhdb", static_cast<char>(0x7fffff10));
59 EXPECT_STREQ("a16b", buf);
60
61 async_safe_format_buffer(buf, sizeof(buf), "a%lldb", 0x1000000000LL);
62 EXPECT_STREQ("a68719476736b", buf);
63
64 async_safe_format_buffer(buf, sizeof(buf), "a%ldb", 70000L);
65 EXPECT_STREQ("a70000b", buf);
66
67 async_safe_format_buffer(buf, sizeof(buf), "a%pb", reinterpret_cast<void*>(0xb0001234));
68 EXPECT_STREQ("a0xb0001234b", buf);
69
70 async_safe_format_buffer(buf, sizeof(buf), "a%xz", 0x12ab);
71 EXPECT_STREQ("a12abz", buf);
72
73 async_safe_format_buffer(buf, sizeof(buf), "a%Xz", 0x12ab);
74 EXPECT_STREQ("a12ABz", buf);
75
76 async_safe_format_buffer(buf, sizeof(buf), "a%08xz", 0x123456);
77 EXPECT_STREQ("a00123456z", buf);
78
79 async_safe_format_buffer(buf, sizeof(buf), "a%5dz", 1234);
80 EXPECT_STREQ("a 1234z", buf);
81
82 async_safe_format_buffer(buf, sizeof(buf), "a%05dz", 1234);
83 EXPECT_STREQ("a01234z", buf);
84
85 async_safe_format_buffer(buf, sizeof(buf), "a%8dz", 1234);
86 EXPECT_STREQ("a 1234z", buf);
87
88 async_safe_format_buffer(buf, sizeof(buf), "a%-8dz", 1234);
89 EXPECT_STREQ("a1234 z", buf);
90
91 async_safe_format_buffer(buf, sizeof(buf), "A%-11sZ", "abcdef");
92 EXPECT_STREQ("Aabcdef Z", buf);
93
94 async_safe_format_buffer(buf, sizeof(buf), "A%s:%dZ", "hello", 1234);
95 EXPECT_STREQ("Ahello:1234Z", buf);
96
97 async_safe_format_buffer(buf, sizeof(buf), "a%03d:%d:%02dz", 5, 5, 5);
98 EXPECT_STREQ("a005:5:05z", buf);
99
100 void* p = nullptr;
101 async_safe_format_buffer(buf, sizeof(buf), "a%d,%pz", 5, p);
102 EXPECT_STREQ("a5,0x0z", buf);
103
104 async_safe_format_buffer(buf, sizeof(buf), "a%lld,%d,%d,%dz", 0x1000000000LL, 6, 7, 8);
105 EXPECT_STREQ("a68719476736,6,7,8z", buf);
106 #else // __BIONIC__
107 GTEST_SKIP() << "bionic-only test";
108 #endif // __BIONIC__
109 }
110
TEST(async_safe_log,d_INT_MAX)111 TEST(async_safe_log, d_INT_MAX) {
112 #if defined(__BIONIC__)
113 char buf[BUFSIZ];
114 async_safe_format_buffer(buf, sizeof(buf), "%d", INT_MAX);
115 EXPECT_STREQ("2147483647", buf);
116 #else // __BIONIC__
117 GTEST_SKIP() << "bionic-only test";
118 #endif // __BIONIC__
119 }
120
TEST(async_safe_log,d_INT_MIN)121 TEST(async_safe_log, d_INT_MIN) {
122 #if defined(__BIONIC__)
123 char buf[BUFSIZ];
124 async_safe_format_buffer(buf, sizeof(buf), "%d", INT_MIN);
125 EXPECT_STREQ("-2147483648", buf);
126 #else // __BIONIC__
127 GTEST_SKIP() << "bionic-only test";
128 #endif // __BIONIC__
129 }
130
TEST(async_safe_log,ld_LONG_MAX)131 TEST(async_safe_log, ld_LONG_MAX) {
132 #if defined(__BIONIC__)
133 char buf[BUFSIZ];
134 async_safe_format_buffer(buf, sizeof(buf), "%ld", LONG_MAX);
135 #if defined(__LP64__)
136 EXPECT_STREQ("9223372036854775807", buf);
137 #else
138 EXPECT_STREQ("2147483647", buf);
139 #endif
140 #else // __BIONIC__
141 GTEST_SKIP() << "bionic-only test";
142 #endif // __BIONIC__
143 }
144
TEST(async_safe_log,ld_LONG_MIN)145 TEST(async_safe_log, ld_LONG_MIN) {
146 #if defined(__BIONIC__)
147 char buf[BUFSIZ];
148 async_safe_format_buffer(buf, sizeof(buf), "%ld", LONG_MIN);
149 #if defined(__LP64__)
150 EXPECT_STREQ("-9223372036854775808", buf);
151 #else
152 EXPECT_STREQ("-2147483648", buf);
153 #endif
154 #else // __BIONIC__
155 GTEST_SKIP() << "bionic-only test";
156 #endif // __BIONIC__
157 }
158
TEST(async_safe_log,lld_LLONG_MAX)159 TEST(async_safe_log, lld_LLONG_MAX) {
160 #if defined(__BIONIC__)
161 char buf[BUFSIZ];
162 async_safe_format_buffer(buf, sizeof(buf), "%lld", LLONG_MAX);
163 EXPECT_STREQ("9223372036854775807", buf);
164 #else // __BIONIC__
165 GTEST_SKIP() << "bionic-only test";
166 #endif // __BIONIC__
167 }
168
TEST(async_safe_log,lld_LLONG_MIN)169 TEST(async_safe_log, lld_LLONG_MIN) {
170 #if defined(__BIONIC__)
171 char buf[BUFSIZ];
172 async_safe_format_buffer(buf, sizeof(buf), "%lld", LLONG_MIN);
173 EXPECT_STREQ("-9223372036854775808", buf);
174 #else // __BIONIC__
175 GTEST_SKIP() << "bionic-only test";
176 #endif // __BIONIC__
177 }
178
TEST(async_safe_log,buffer_overrun)179 TEST(async_safe_log, buffer_overrun) {
180 #if defined(__BIONIC__)
181 char buf[BUFSIZ];
182 ASSERT_EQ(11, async_safe_format_buffer(buf, sizeof(buf), "hello %s", "world"));
183 EXPECT_STREQ("hello world", buf);
184
185 ASSERT_EQ(11, async_safe_format_buffer(buf, 8, "hello %s", "world"));
186 EXPECT_STREQ("hello w", buf);
187
188 ASSERT_EQ(11, async_safe_format_buffer(buf, 6, "hello %s", "world"));
189 EXPECT_STREQ("hello", buf);
190
191 ASSERT_EQ(4, async_safe_format_buffer(nullptr, 0, "xxxx"));
192
193 ASSERT_EQ(4, async_safe_format_buffer(buf, 1, "xxxx"));
194 EXPECT_STREQ("", buf);
195
196 ASSERT_EQ(4, async_safe_format_buffer(buf, 2, "xxxx"));
197 EXPECT_STREQ("x", buf);
198 #else // __BIONIC__
199 GTEST_SKIP() << "bionic-only test";
200 #endif // __BIONIC__
201 }
202