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 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 = NULL; 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 = NULL; 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_LOG_(INFO) << "This test does nothing.\n"; 108 #endif // __BIONIC__ 109 } 110 111 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_LOG_(INFO) << "This test does nothing.\n"; 118 #endif // __BIONIC__ 119 } 120 121 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_LOG_(INFO) << "This test does nothing.\n"; 128 #endif // __BIONIC__ 129 } 130 131 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_LOG_(INFO) << "This test does nothing.\n"; 142 #endif // __BIONIC__ 143 } 144 145 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_LOG_(INFO) << "This test does nothing.\n"; 156 #endif // __BIONIC__ 157 } 158 159 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_LOG_(INFO) << "This test does nothing.\n"; 166 #endif // __BIONIC__ 167 } 168 169 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_LOG_(INFO) << "This test does nothing.\n"; 176 #endif // __BIONIC__ 177 } 178 179 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_LOG_(INFO) << "This test does nothing.\n"; 200 #endif // __BIONIC__ 201 } 202
