1 /* 2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include "precompiled.hpp" 25 #include "logTestFixture.hpp" 26 #include "logTestUtils.inline.hpp" 27 #include "logging/log.hpp" 28 #include "logging/logMessage.hpp" 29 #include "prims/jvm.h" 30 #include "unittest.hpp" 31 #include "utilities/globalDefinitions.hpp" 32 33 class LogMessageTest : public LogTestFixture { 34 protected: 35 static Log(logging) _log; 36 static const char* _level_filename[]; 37 LogMessageTest(); 38 ~LogMessageTest(); 39 }; 40 41 const char* LogMessageTest::_level_filename[] = { 42 NULL, // LogLevel::Off 43 #define LOG_LEVEL(name, printname) "multiline-" #printname ".log", 44 LOG_LEVEL_LIST 45 #undef LOG_LEVEL 46 }; 47 48 LogMessageTest::LogMessageTest() { 49 for (int i = 0; i < LogLevel::Count; i++) { 50 char buf[32]; 51 // Attempt to remove possibly pre-existing log files 52 remove(_level_filename[i]); 53 54 jio_snprintf(buf, sizeof(buf), "logging=%s", LogLevel::name(static_cast<LogLevelType>(i))); 55 set_log_config(_level_filename[i], buf); 56 } 57 } 58 59 LogMessageTest::~LogMessageTest() { 60 // Stop logging to the files and remove them. 61 for (int i = 0; i < LogLevel::Count; i++) { 62 set_log_config(_level_filename[i], "all=off"); 63 remove(_level_filename[i]); 64 } 65 } 66 67 // Verify that messages with multiple levels are written 68 // to outputs configured for all the corresponding levels 69 TEST_VM_F(LogMessageTest, level_inclusion) { 70 const size_t message_count = 10; 71 LogMessageBuffer msg[message_count]; 72 73 struct { 74 int message_number; 75 LogLevelType level; 76 } lines[] = { 77 { 0, LogLevel::Error }, 78 { 1, LogLevel::Info }, 79 { 2, LogLevel::Info }, { 2, LogLevel::Debug }, 80 { 3, LogLevel::Info }, { 3, LogLevel::Warning }, 81 { 4, LogLevel::Debug }, { 4, LogLevel::Warning }, 82 { 5, LogLevel::Trace }, { 5, LogLevel::Debug }, 83 { 6, LogLevel::Warning }, { 6, LogLevel::Error }, 84 { 7, LogLevel::Trace }, { 7, LogLevel::Info }, { 7, LogLevel::Debug }, 85 { 8, LogLevel::Trace }, { 8, LogLevel::Debug }, { 8, LogLevel::Info }, 86 { 8, LogLevel::Warning }, { 8, LogLevel::Error}, 87 { 9, LogLevel::Trace } 88 }; 89 90 // Fill in messages with the above lines 91 for (size_t i = 0; i < ARRAY_SIZE(lines); i++) { 92 switch (lines[i].level) { 93 #define LOG_LEVEL(name, printname) \ 94 case LogLevel::name: \ 95 msg[lines[i].message_number].printname("msg[%d]: " #printname, lines[i].message_number); \ 96 break; 97 LOG_LEVEL_LIST 98 #undef LOG_LEVEL 99 default: 100 break; 101 } 102 } 103 104 for (size_t i = 0; i < message_count; i++) { 105 _log.write(msg[i]); 106 } 107 108 // Verify that lines are written to the expected log files 109 for (size_t i = 0; i < ARRAY_SIZE(lines); i++) { 110 char expected[256]; 111 jio_snprintf(expected, sizeof(expected), "msg[%d]: %s", 112 lines[i].message_number, LogLevel::name(lines[i].level)); 113 for (int level = lines[i].level; level > 0; level--) { 114 EXPECT_TRUE(file_contains_substring(_level_filename[level], expected)) 115 << "line #" << i << " missing from log file " << _level_filename[level]; 116 } 117 for (int level = lines[i].level + 1; level < LogLevel::Count; level++) { 118 EXPECT_FALSE(file_contains_substring(_level_filename[level], expected)) 119 << "line #" << i << " erroneously included in log file " << _level_filename[level]; 120 } 121 } 122 } 123 124 // Verify that messages are logged in the order they are added to the log message 125 TEST_VM_F(LogMessageTest, line_order) { 126 LogMessageBuffer msg; 127 msg.info("info line").error("error line").trace("trace line") 128 .error("another error").warning("warning line").debug("debug line"); 129 _log.write(msg); 130 131 const char* expected[] = { "info line", "error line", "trace line", 132 "another error", "warning line", "debug line", NULL }; 133 EXPECT_TRUE(file_contains_substrings_in_order(_level_filename[LogLevel::Trace], expected)) 134 << "output missing or in incorrect order"; 135 } 136 137 TEST_VM_F(LogMessageTest, long_message) { 138 // Write 10K bytes worth of log data 139 LogMessageBuffer msg; 140 const size_t size = 10 * K; 141 const char* start_marker = "#start#"; 142 const char* end_marker = "#the end#"; 143 char* data = NEW_C_HEAP_ARRAY(char, size, mtLogging); 144 145 // fill buffer with start_marker...some data...end_marker 146 sprintf(data, "%s", start_marker); 147 for (size_t i = strlen(start_marker); i < size; i++) { 148 data[i] = '0' + (i % 10); 149 } 150 sprintf(data + size - strlen(end_marker) - 1, "%s", end_marker); 151 152 msg.trace("%s", data); // Adds a newline, making the message exactly 10K in length. 153 _log.write(msg); 154 155 const char* expected[] = { start_marker, "0123456789", end_marker, NULL }; 156 EXPECT_TRUE(file_contains_substrings_in_order(_level_filename[LogLevel::Trace], expected)) 157 << "unable to print long line"; 158 FREE_C_HEAP_ARRAY(char, data); 159 } 160 161 TEST_VM_F(LogMessageTest, message_with_many_lines) { 162 const size_t lines = 100; 163 const size_t line_length = 16; 164 165 LogMessageBuffer msg; 166 for (size_t i = 0; i < lines; i++) { 167 msg.info("Line #" SIZE_FORMAT, i); 168 } 169 _log.write(msg); 170 171 char expected_lines_data[lines][line_length]; 172 const char* expected_lines[lines + 1]; 173 for (size_t i = 0; i < lines; i++) { 174 jio_snprintf(&expected_lines_data[i][0], line_length, "Line #" SIZE_FORMAT, i); 175 expected_lines[i] = expected_lines_data[i]; 176 } 177 expected_lines[lines] = NULL; 178 179 EXPECT_TRUE(file_contains_substrings_in_order(_level_filename[LogLevel::Trace], expected_lines)) 180 << "couldn't find all lines in multiline message"; 181 } 182 183 static size_t dummy_prefixer(char* buf, size_t len) { 184 static int i = 0; 185 const char* prefix = "some prefix: "; 186 const size_t prefix_len = strlen(prefix); 187 if (len < prefix_len) { 188 return prefix_len; 189 } 190 jio_snprintf(buf, len, "%s", prefix); 191 return prefix_len; 192 } 193 194 TEST_VM_F(LogMessageTest, prefixing) { 195 LogMessageBuffer msg; 196 msg.set_prefix(dummy_prefixer); 197 for (int i = 0; i < 3; i++) { 198 msg.info("test %d", i); 199 } 200 msg.set_prefix(NULL); 201 msg.info("test 3"); 202 _log.write(msg); 203 204 const char* expected[] = { 205 "] some prefix: test 0", 206 "] some prefix: test 1", 207 "] some prefix: test 2", 208 "] test 3", 209 NULL 210 }; 211 EXPECT_TRUE(file_contains_substrings_in_order(_level_filename[LogLevel::Trace], expected)) 212 << "error in prefixed output"; 213 } 214 215 TEST_VM_F(LogMessageTest, scoped_messages) { 216 { 217 LogMessage(logging) msg; 218 msg.info("scoped info"); 219 msg.warning("scoped warn"); 220 EXPECT_FALSE(file_contains_substring(_level_filename[LogLevel::Info], "scoped info")) 221 << "scoped log message written prematurely"; 222 } 223 EXPECT_TRUE(file_contains_substring(_level_filename[LogLevel::Info], "scoped info")) 224 << "missing output from scoped log message"; 225 EXPECT_TRUE(file_contains_substring(_level_filename[LogLevel::Warning], "scoped warn")) 226 << "missing output from scoped log message"; 227 } 228 229 TEST_VM_F(LogMessageTest, scoped_flushing) { 230 { 231 LogMessage(logging) msg; 232 msg.info("manual flush info"); 233 msg.flush(); 234 EXPECT_TRUE(file_contains_substring(_level_filename[LogLevel::Info], "manual flush info")) 235 << "missing output from manually flushed scoped log message"; 236 } 237 const char* tmp[] = {"manual flush info", "manual flush info", NULL}; 238 EXPECT_FALSE(file_contains_substrings_in_order(_level_filename[LogLevel::Info], tmp)) 239 << "log file contains duplicate lines from single scoped log message"; 240 } 241 242 TEST_VM_F(LogMessageTest, scoped_reset) { 243 { 244 LogMessage(logging) msg, partial; 245 msg.info("%s", "info reset msg"); 246 msg.reset(); 247 partial.info("%s", "info reset msg"); 248 partial.reset(); 249 partial.trace("%s", "trace reset msg"); 250 } 251 EXPECT_FALSE(file_contains_substring(_level_filename[LogLevel::Info], "info reset msg")) 252 << "reset message written anyway"; 253 EXPECT_TRUE(file_contains_substring(_level_filename[LogLevel::Trace], "trace reset msg")) 254 << "missing message from partially reset scoped log message"; 255 }