libc_logging_test.cpp revision 8f2a5a0b40fc82126c691d5c30131d908772aab7 
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
21#include "../libc/bionic/libc_logging.cpp"
22
23extern int __libc_format_buffer(char* buffer, size_t buffer_size, const char* format, ...);
24
25TEST(libc_logging, smoke) {
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", 0x7fff0010);
57  EXPECT_STREQ("a16b", buf);
58
59  __libc_format_buffer(buf, sizeof(buf), "a%hhdb", 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}
108
109TEST(libc_logging, d_INT_MAX) {
110  char buf[BUFSIZ];
111  __libc_format_buffer(buf, sizeof(buf), "%d", INT_MAX);
112  EXPECT_STREQ("2147483647", buf);
113}
114
115TEST(libc_logging, d_INT_MIN) {
116  char buf[BUFSIZ];
117  __libc_format_buffer(buf, sizeof(buf), "%d", INT_MIN);
118  EXPECT_STREQ("-2147483648", buf);
119}
120
121TEST(libc_logging, ld_LONG_MAX) {
122  char buf[BUFSIZ];
123  __libc_format_buffer(buf, sizeof(buf), "%ld", LONG_MAX);
124  EXPECT_STREQ("2147483647", buf);
125}
126
127TEST(libc_logging, ld_LONG_MIN) {
128  char buf[BUFSIZ];
129  __libc_format_buffer(buf, sizeof(buf), "%ld", LONG_MIN);
130  EXPECT_STREQ("-2147483648", buf);
131}
132
133TEST(libc_logging, lld_LLONG_MAX) {
134  char buf[BUFSIZ];
135  __libc_format_buffer(buf, sizeof(buf), "%lld", LLONG_MAX);
136  EXPECT_STREQ("9223372036854775807", buf);
137}
138
139TEST(libc_logging, lld_LLONG_MIN) {
140  char buf[BUFSIZ];
141  __libc_format_buffer(buf, sizeof(buf), "%lld", LLONG_MIN);
142  EXPECT_STREQ("-9223372036854775808", buf);
143}
144
145#endif
146