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 "../libc/bionic/libc_logging.cpp"
21 extern int __libc_format_buffer(char* buffer, size_t buffer_size, const char* format, ...);
22 #endif // __BIONIC__
23
TEST(libc_logging,smoke)24 TEST(libc_logging, smoke) {
25 #if defined(__BIONIC__)
26 char buf[BUFSIZ];
27
28 __libc_format_buffer(buf, sizeof(buf), "a");
29 EXPECT_STREQ("a", buf);
30
31 __libc_format_buffer(buf, sizeof(buf), "%%");
32 EXPECT_STREQ("%", buf);
33
34 __libc_format_buffer(buf, sizeof(buf), "01234");
35 EXPECT_STREQ("01234", buf);
36
37 __libc_format_buffer(buf, sizeof(buf), "a%sb", "01234");
38 EXPECT_STREQ("a01234b", buf);
39
40 char* s = NULL;
41 __libc_format_buffer(buf, sizeof(buf), "a%sb", s);
42 EXPECT_STREQ("a(null)b", buf);
43
44 __libc_format_buffer(buf, sizeof(buf), "aa%scc", "bb");
45 EXPECT_STREQ("aabbcc", buf);
46
47 __libc_format_buffer(buf, sizeof(buf), "a%cc", 'b');
48 EXPECT_STREQ("abc", buf);
49
50 __libc_format_buffer(buf, sizeof(buf), "a%db", 1234);
51 EXPECT_STREQ("a1234b", buf);
52
53 __libc_format_buffer(buf, sizeof(buf), "a%db", -8123);
54 EXPECT_STREQ("a-8123b", buf);
55
56 __libc_format_buffer(buf, sizeof(buf), "a%hdb", static_cast<short>(0x7fff0010));
57 EXPECT_STREQ("a16b", buf);
58
59 __libc_format_buffer(buf, sizeof(buf), "a%hhdb", static_cast<char>(0x7fffff10));
60 EXPECT_STREQ("a16b", buf);
61
62 __libc_format_buffer(buf, sizeof(buf), "a%lldb", 0x1000000000LL);
63 EXPECT_STREQ("a68719476736b", buf);
64
65 __libc_format_buffer(buf, sizeof(buf), "a%ldb", 70000L);
66 EXPECT_STREQ("a70000b", buf);
67
68 __libc_format_buffer(buf, sizeof(buf), "a%pb", reinterpret_cast<void*>(0xb0001234));
69 EXPECT_STREQ("a0xb0001234b", buf);
70
71 __libc_format_buffer(buf, sizeof(buf), "a%xz", 0x12ab);
72 EXPECT_STREQ("a12abz", buf);
73
74 __libc_format_buffer(buf, sizeof(buf), "a%Xz", 0x12ab);
75 EXPECT_STREQ("a12ABz", buf);
76
77 __libc_format_buffer(buf, sizeof(buf), "a%08xz", 0x123456);
78 EXPECT_STREQ("a00123456z", buf);
79
80 __libc_format_buffer(buf, sizeof(buf), "a%5dz", 1234);
81 EXPECT_STREQ("a 1234z", buf);
82
83 __libc_format_buffer(buf, sizeof(buf), "a%05dz", 1234);
84 EXPECT_STREQ("a01234z", buf);
85
86 __libc_format_buffer(buf, sizeof(buf), "a%8dz", 1234);
87 EXPECT_STREQ("a 1234z", buf);
88
89 __libc_format_buffer(buf, sizeof(buf), "a%-8dz", 1234);
90 EXPECT_STREQ("a1234 z", buf);
91
92 __libc_format_buffer(buf, sizeof(buf), "A%-11sZ", "abcdef");
93 EXPECT_STREQ("Aabcdef Z", buf);
94
95 __libc_format_buffer(buf, sizeof(buf), "A%s:%dZ", "hello", 1234);
96 EXPECT_STREQ("Ahello:1234Z", buf);
97
98 __libc_format_buffer(buf, sizeof(buf), "a%03d:%d:%02dz", 5, 5, 5);
99 EXPECT_STREQ("a005:5:05z", buf);
100
101 void* p = NULL;
102 __libc_format_buffer(buf, sizeof(buf), "a%d,%pz", 5, p);
103 EXPECT_STREQ("a5,0x0z", buf);
104
105 __libc_format_buffer(buf, sizeof(buf), "a%lld,%d,%d,%dz", 0x1000000000LL, 6, 7, 8);
106 EXPECT_STREQ("a68719476736,6,7,8z", buf);
107 #else // __BIONIC__
108 GTEST_LOG_(INFO) << "This test does nothing.\n";
109 #endif // __BIONIC__
110 }
111
TEST(libc_logging,d_INT_MAX)112 TEST(libc_logging, d_INT_MAX) {
113 #if defined(__BIONIC__)
114 char buf[BUFSIZ];
115 __libc_format_buffer(buf, sizeof(buf), "%d", INT_MAX);
116 EXPECT_STREQ("2147483647", buf);
117 #else // __BIONIC__
118 GTEST_LOG_(INFO) << "This test does nothing.\n";
119 #endif // __BIONIC__
120 }
121
TEST(libc_logging,d_INT_MIN)122 TEST(libc_logging, d_INT_MIN) {
123 #if defined(__BIONIC__)
124 char buf[BUFSIZ];
125 __libc_format_buffer(buf, sizeof(buf), "%d", INT_MIN);
126 EXPECT_STREQ("-2147483648", buf);
127 #else // __BIONIC__
128 GTEST_LOG_(INFO) << "This test does nothing.\n";
129 #endif // __BIONIC__
130 }
131
TEST(libc_logging,ld_LONG_MAX)132 TEST(libc_logging, ld_LONG_MAX) {
133 #if defined(__BIONIC__)
134 char buf[BUFSIZ];
135 __libc_format_buffer(buf, sizeof(buf), "%ld", LONG_MAX);
136 #if __LP64__
137 EXPECT_STREQ("9223372036854775807", buf);
138 #else
139 EXPECT_STREQ("2147483647", buf);
140 #endif
141 #else // __BIONIC__
142 GTEST_LOG_(INFO) << "This test does nothing.\n";
143 #endif // __BIONIC__
144 }
145
TEST(libc_logging,ld_LONG_MIN)146 TEST(libc_logging, ld_LONG_MIN) {
147 #if defined(__BIONIC__)
148 char buf[BUFSIZ];
149 __libc_format_buffer(buf, sizeof(buf), "%ld", LONG_MIN);
150 #if __LP64__
151 EXPECT_STREQ("-9223372036854775808", buf);
152 #else
153 EXPECT_STREQ("-2147483648", buf);
154 #endif
155 #else // __BIONIC__
156 GTEST_LOG_(INFO) << "This test does nothing.\n";
157 #endif // __BIONIC__
158 }
159
TEST(libc_logging,lld_LLONG_MAX)160 TEST(libc_logging, lld_LLONG_MAX) {
161 #if defined(__BIONIC__)
162 char buf[BUFSIZ];
163 __libc_format_buffer(buf, sizeof(buf), "%lld", LLONG_MAX);
164 EXPECT_STREQ("9223372036854775807", buf);
165 #else // __BIONIC__
166 GTEST_LOG_(INFO) << "This test does nothing.\n";
167 #endif // __BIONIC__
168 }
169
TEST(libc_logging,lld_LLONG_MIN)170 TEST(libc_logging, lld_LLONG_MIN) {
171 #if defined(__BIONIC__)
172 char buf[BUFSIZ];
173 __libc_format_buffer(buf, sizeof(buf), "%lld", LLONG_MIN);
174 EXPECT_STREQ("-9223372036854775808", buf);
175 #else // __BIONIC__
176 GTEST_LOG_(INFO) << "This test does nothing.\n";
177 #endif // __BIONIC__
178 }
179
TEST(libc_logging,buffer_overrun)180 TEST(libc_logging, buffer_overrun) {
181 #if defined(__BIONIC__)
182 char buf[BUFSIZ];
183 ASSERT_EQ(11, __libc_format_buffer(buf, sizeof(buf), "hello %s", "world"));
184 EXPECT_STREQ("hello world", buf);
185 ASSERT_EQ(11, __libc_format_buffer(buf, 8, "hello %s", "world"));
186 EXPECT_STREQ("hello w", buf);
187 #else // __BIONIC__
188 GTEST_LOG_(INFO) << "This test does nothing.\n";
189 #endif // __BIONIC__
190 }
191