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 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 } 111 112 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 } 121 122 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 } 131 132 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 defined(__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 } 145 146 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 defined(__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 } 159 160 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 } 169 170 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 } 179 180 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
