1 // Copyright (c) 2002, Google Inc.
2 // All rights reserved.
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5 // modification, are permitted provided that the following conditions are
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11 // copyright notice, this list of conditions and the following disclaimer
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16 // this software without specific prior written permission.
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32 #include "config_for_unittests.h"
33 #include "utilities.h"
54 #include "base/commandlineflags.h"
55 #include "glog/logging.h"
56 #include "glog/raw_logging.h"
57 #include "googletest.h"
59 DECLARE_string(log_backtrace_at); // logging.cc
61 #ifdef HAVE_LIB_GFLAGS
62 #include <gflags/gflags.h>
66 #include <gmock/gmock.h>
68 // Introduce several symbols from gmock.
70 using testing::AnyNumber;
71 using testing::HasSubstr;
74 using testing::StrictMock;
75 using testing::InitGoogleMock;
76 using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog;
80 using namespace GOOGLE_NAMESPACE;
82 // Some non-advertised functions that we want to test or use.
83 _START_GOOGLE_NAMESPACE_
86 bool GetExitOnDFatal();
87 void SetExitOnDFatal(bool value);
88 } // namespace internal
90 _END_GOOGLE_NAMESPACE_
92 static void TestLogging(bool check_counts);
93 static void TestRawLogging();
94 static void LogWithLevels(int v, int severity, bool err, bool alsoerr);
95 static void TestLoggingLevels();
96 static void TestLogString();
97 static void TestLogSink();
98 static void TestLogToString();
99 static void TestLogSinkWaitTillSent();
100 static void TestCHECK();
101 static void TestDCHECK();
102 static void TestSTREQ();
103 static void TestBasename();
104 static void TestSymlink();
105 static void TestExtension();
106 static void TestWrapper();
107 static void TestErrno();
108 static void TestTruncate();
111 static void BM_Check1(int n) {
123 BENCHMARK(BM_Check1);
125 static void CheckFailure(int a, int b, const char* file, int line, const char* msg);
126 static void BM_Check3(int n) {
128 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
129 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
130 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
131 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
132 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
133 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
134 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
135 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
138 BENCHMARK(BM_Check3);
140 static void BM_Check2(int n) {
155 BENCHMARK(BM_Check2);
157 static void CheckFailure(int a, int b, const char* file, int line, const char* msg) {
160 static void BM_logspeed(int n) {
162 LOG(INFO) << "test message";
165 BENCHMARK(BM_logspeed);
167 static void BM_vlog(int n) {
169 VLOG(1) << "test message";
174 int main(int argc, char **argv) {
175 #ifdef HAVE_LIB_GFLAGS
176 ParseCommandLineFlags(&argc, &argv, true);
179 // Test some basics before InitGoogleLogging:
181 LogWithLevels(FLAGS_v, FLAGS_stderrthreshold,
182 FLAGS_logtostderr, FLAGS_alsologtostderr);
183 LogWithLevels(0, 0, 0, 0); // simulate "before global c-tors"
184 const string early_stderr = GetCapturedTestStderr();
186 InitGoogleLogging(argv[0]);
188 RunSpecifiedBenchmarks();
190 FLAGS_logtostderr = true;
192 InitGoogleTest(&argc, argv);
193 #ifdef HAVE_LIB_GMOCK
194 InitGoogleMock(&argc, argv);
197 // so that death tests run before we use threads
198 CHECK_EQ(RUN_ALL_TESTS(), 0);
202 // re-emit early_stderr
203 LogMessage("dummy", LogMessage::kNoLogPrefix, INFO).stream() << early_stderr;
211 TestLogSinkWaitTillSent();
216 // TODO: The golden test portion of this test is very flakey.
218 MungeAndDiffTestStderr(FLAGS_test_srcdir + "/src/logging_unittest.err"));
220 FLAGS_logtostderr = false;
229 fprintf(stdout, "PASS\n");
233 void TestLogging(bool check_counts) {
234 int64 base_num_infos = LogMessage::num_messages(INFO);
235 int64 base_num_warning = LogMessage::num_messages(WARNING);
236 int64 base_num_errors = LogMessage::num_messages(ERROR);
238 LOG(INFO) << string("foo ") << "bar " << 10 << ' ' << 3.4;
239 for ( int i = 0; i < 10; ++i ) {
240 int old_errno = errno;
242 PLOG_EVERY_N(ERROR, 2) << "Plog every 2, iteration " << COUNTER;
245 LOG_EVERY_N(ERROR, 3) << "Log every 3, iteration " << COUNTER << endl;
246 LOG_EVERY_N(ERROR, 4) << "Log every 4, iteration " << COUNTER << endl;
248 LOG_IF_EVERY_N(WARNING, true, 5) << "Log if every 5, iteration " << COUNTER;
249 LOG_IF_EVERY_N(WARNING, false, 3)
250 << "Log if every 3, iteration " << COUNTER;
251 LOG_IF_EVERY_N(INFO, true, 1) << "Log if every 1, iteration " << COUNTER;
252 LOG_IF_EVERY_N(ERROR, (i < 3), 2)
253 << "Log if less than 3 every 2, iteration " << COUNTER;
255 LOG_IF(WARNING, true) << "log_if this";
256 LOG_IF(WARNING, false) << "don't log_if this";
260 const char const_s[] = "const array";
261 LOG(INFO) << const_s;
263 LOG(ERROR) << string("foo") << ' '<< j << ' ' << setw(10) << j << " "
264 << setw(1) << hex << j;
266 LogMessage("foo", LogMessage::kNoLogPrefix, INFO).stream() << "no prefix";
269 CHECK_EQ(base_num_infos + 14, LogMessage::num_messages(INFO));
270 CHECK_EQ(base_num_warning + 3, LogMessage::num_messages(WARNING));
271 CHECK_EQ(base_num_errors + 15, LogMessage::num_messages(ERROR));
275 static void NoAllocNewHook() {
276 CHECK(false) << "unexpected new";
281 g_new_hook = &NoAllocNewHook;
288 TEST(DeathNoAllocNewHook, logging) {
289 // tests that NewHook used below works
293 }, "unexpected new");
296 void TestRawLogging() {
297 string* foo = new string("foo ");
298 string huge_str(50000, 'a');
302 // Check that RAW loggging does not use mallocs.
305 RAW_LOG(INFO, "%s%s%d%c%f", foo->c_str(), "bar ", 10, ' ', 3.4);
307 RAW_LOG(WARNING, "%s", s);
308 const char const_s[] = "const array";
309 RAW_LOG(INFO, "%s", const_s);
310 void* p = reinterpret_cast<void*>(0x12345678);
311 RAW_LOG(INFO, "ptr %p", p);
313 RAW_LOG(INFO, "ptr %p", p);
315 RAW_LOG(ERROR, "%s%d%c%010d%s%1x", foo->c_str(), j, ' ', j, " ", j);
316 RAW_VLOG(0, "foo %d", j);
319 RAW_LOG(INFO, "foo %d", j); // so that have same stderr to compare
321 RAW_DLOG(INFO, "foo %d", j); // test RAW_DLOG in debug mode
324 // test how long messages are chopped:
325 RAW_LOG(WARNING, "Huge string: %s", huge_str.c_str());
326 RAW_VLOG(0, "Huge string: %s", huge_str.c_str());
329 RAW_LOG(INFO, "log");
330 RAW_VLOG(0, "vlog 0 on");
331 RAW_VLOG(1, "vlog 1 off");
332 RAW_VLOG(2, "vlog 2 off");
333 RAW_VLOG(3, "vlog 3 off");
335 RAW_LOG(INFO, "log");
336 RAW_VLOG(1, "vlog 1 on");
337 RAW_VLOG(2, "vlog 2 on");
338 RAW_VLOG(3, "vlog 3 off");
341 RAW_DCHECK(1 == 2, " RAW_DCHECK's shouldn't be compiled in normal mode");
344 RAW_CHECK(1 == 1, "should be ok");
345 RAW_DCHECK(true, "should be ok");
350 void LogWithLevels(int v, int severity, bool err, bool alsoerr) {
352 "Test: v=%d stderrthreshold=%d logtostderr=%d alsologtostderr=%d",
353 v, severity, err, alsoerr);
358 FLAGS_stderrthreshold = severity;
359 FLAGS_logtostderr = err;
360 FLAGS_alsologtostderr = alsoerr;
362 RAW_VLOG(-1, "vlog -1");
363 RAW_VLOG(0, "vlog 0");
364 RAW_VLOG(1, "vlog 1");
365 RAW_LOG(INFO, "log info");
366 RAW_LOG(WARNING, "log warning");
367 RAW_LOG(ERROR, "log error");
369 VLOG(-1) << "vlog -1";
372 LOG(INFO) << "log info";
373 LOG(WARNING) << "log warning";
374 LOG(ERROR) << "log error";
376 VLOG_IF(-1, true) << "vlog_if -1";
377 VLOG_IF(-1, false) << "don't vlog_if -1";
378 VLOG_IF(0, true) << "vlog_if 0";
379 VLOG_IF(0, false) << "don't vlog_if 0";
380 VLOG_IF(1, true) << "vlog_if 1";
381 VLOG_IF(1, false) << "don't vlog_if 1";
382 LOG_IF(INFO, true) << "log_if info";
383 LOG_IF(INFO, false) << "don't log_if info";
384 LOG_IF(WARNING, true) << "log_if warning";
385 LOG_IF(WARNING, false) << "don't log_if warning";
386 LOG_IF(ERROR, true) << "log_if error";
387 LOG_IF(ERROR, false) << "don't log_if error";
390 c = 1; VLOG_IF(100, c -= 2) << "vlog_if 100 expr"; EXPECT_EQ(c, -1);
391 c = 1; VLOG_IF(0, c -= 2) << "vlog_if 0 expr"; EXPECT_EQ(c, -1);
392 c = 1; LOG_IF(INFO, c -= 2) << "log_if info expr"; EXPECT_EQ(c, -1);
393 c = 1; LOG_IF(ERROR, c -= 2) << "log_if error expr"; EXPECT_EQ(c, -1);
394 c = 2; VLOG_IF(0, c -= 2) << "don't vlog_if 0 expr"; EXPECT_EQ(c, 0);
395 c = 2; LOG_IF(ERROR, c -= 2) << "don't log_if error expr"; EXPECT_EQ(c, 0);
397 c = 3; LOG_IF_EVERY_N(INFO, c -= 4, 1) << "log_if info every 1 expr";
399 c = 3; LOG_IF_EVERY_N(ERROR, c -= 4, 1) << "log_if error every 1 expr";
401 c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if info every 3 expr";
403 c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if error every 3 expr";
405 c = 5; VLOG_IF_EVERY_N(0, c -= 4, 1) << "vlog_if 0 every 1 expr";
407 c = 5; VLOG_IF_EVERY_N(100, c -= 4, 3) << "vlog_if 100 every 3 expr";
409 c = 6; VLOG_IF_EVERY_N(0, c -= 6, 1) << "don't vlog_if 0 every 1 expr";
411 c = 6; VLOG_IF_EVERY_N(100, c -= 6, 3) << "don't vlog_if 100 every 1 expr";
415 void TestLoggingLevels() {
416 LogWithLevels(0, INFO, false, false);
417 LogWithLevels(1, INFO, false, false);
418 LogWithLevels(-1, INFO, false, false);
419 LogWithLevels(0, WARNING, false, false);
420 LogWithLevels(0, ERROR, false, false);
421 LogWithLevels(0, FATAL, false, false);
422 LogWithLevels(0, FATAL, true, false);
423 LogWithLevels(0, FATAL, false, true);
424 LogWithLevels(1, WARNING, false, false);
425 LogWithLevels(1, FATAL, false, true);
428 TEST(DeathRawCHECK, logging) {
429 ASSERT_DEATH(RAW_CHECK(false, "failure 1"),
430 "RAW: Check false failed: failure 1");
431 ASSERT_DEBUG_DEATH(RAW_DCHECK(1 == 2, "failure 2"),
432 "RAW: Check 1 == 2 failed: failure 2");
435 void TestLogString() {
436 vector<string> errors;
437 vector<string> *no_errors = NULL;
439 LOG_STRING(INFO, &errors) << "LOG_STRING: " << "collected info";
440 LOG_STRING(WARNING, &errors) << "LOG_STRING: " << "collected warning";
441 LOG_STRING(ERROR, &errors) << "LOG_STRING: " << "collected error";
443 LOG_STRING(INFO, no_errors) << "LOG_STRING: " << "reported info";
444 LOG_STRING(WARNING, no_errors) << "LOG_STRING: " << "reported warning";
445 LOG_STRING(ERROR, NULL) << "LOG_STRING: " << "reported error";
447 for (size_t i = 0; i < errors.size(); ++i) {
448 LOG(INFO) << "Captured by LOG_STRING: " << errors[i];
452 void TestLogToString() {
454 string* no_error = NULL;
456 LOG_TO_STRING(INFO, &error) << "LOG_TO_STRING: " << "collected info";
457 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
458 LOG_TO_STRING(WARNING, &error) << "LOG_TO_STRING: " << "collected warning";
459 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
460 LOG_TO_STRING(ERROR, &error) << "LOG_TO_STRING: " << "collected error";
461 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
463 LOG_TO_STRING(INFO, no_error) << "LOG_TO_STRING: " << "reported info";
464 LOG_TO_STRING(WARNING, no_error) << "LOG_TO_STRING: " << "reported warning";
465 LOG_TO_STRING(ERROR, NULL) << "LOG_TO_STRING: " << "reported error";
468 class TestLogSinkImpl : public LogSink {
470 vector<string> errors;
471 virtual void send(LogSeverity severity, const char* full_filename,
472 const char* base_filename, int line,
473 const struct tm* tm_time,
474 const char* message, size_t message_len) {
476 ToString(severity, base_filename, line, tm_time, message, message_len));
481 TestLogSinkImpl sink;
482 LogSink *no_sink = NULL;
484 LOG_TO_SINK(&sink, INFO) << "LOG_TO_SINK: " << "collected info";
485 LOG_TO_SINK(&sink, WARNING) << "LOG_TO_SINK: " << "collected warning";
486 LOG_TO_SINK(&sink, ERROR) << "LOG_TO_SINK: " << "collected error";
488 LOG_TO_SINK(no_sink, INFO) << "LOG_TO_SINK: " << "reported info";
489 LOG_TO_SINK(no_sink, WARNING) << "LOG_TO_SINK: " << "reported warning";
490 LOG_TO_SINK(NULL, ERROR) << "LOG_TO_SINK: " << "reported error";
492 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, INFO)
493 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected info";
494 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, WARNING)
495 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected warning";
496 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, ERROR)
497 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected error";
499 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, INFO)
500 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed info";
501 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, WARNING)
502 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed warning";
503 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(NULL, ERROR)
504 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed error";
506 LOG(INFO) << "Captured by LOG_TO_SINK:";
507 for (size_t i = 0; i < sink.errors.size(); ++i) {
508 LogMessage("foo", LogMessage::kNoLogPrefix, INFO).stream()
513 // For testing using CHECK*() on anonymous enums.
520 // Tests using CHECK*() on int values.
531 // Tests using CHECK*() on anonymous enums.
532 // Apple's GCC doesn't like this.
533 #if !defined(OS_MACOSX)
534 CHECK_EQ(CASE_A, CASE_A);
535 CHECK_NE(CASE_A, CASE_B);
536 CHECK_GE(CASE_A, CASE_A);
537 CHECK_GE(CASE_B, CASE_A);
538 CHECK_LE(CASE_A, CASE_A);
539 CHECK_LE(CASE_A, CASE_B);
540 CHECK_GT(CASE_B, CASE_A);
541 CHECK_LT(CASE_A, CASE_B);
547 DCHECK( 1 == 2 ) << " DCHECK's shouldn't be compiled in normal mode";
561 CHECK_STREQ("this", "this");
562 CHECK_STREQ(NULL, NULL);
563 CHECK_STRCASEEQ("this", "tHiS");
564 CHECK_STRCASEEQ(NULL, NULL);
565 CHECK_STRNE("this", "tHiS");
566 CHECK_STRNE("this", NULL);
567 CHECK_STRCASENE("this", "that");
568 CHECK_STRCASENE(NULL, "that");
569 CHECK_STREQ((string("a")+"b").c_str(), "ab");
570 CHECK_STREQ(string("test").c_str(),
571 (string("te") + string("st")).c_str());
574 TEST(DeathSTREQ, logging) {
575 ASSERT_DEATH(CHECK_STREQ(NULL, "this"), "");
576 ASSERT_DEATH(CHECK_STREQ("this", "siht"), "");
577 ASSERT_DEATH(CHECK_STRCASEEQ(NULL, "siht"), "");
578 ASSERT_DEATH(CHECK_STRCASEEQ("this", "siht"), "");
579 ASSERT_DEATH(CHECK_STRNE(NULL, NULL), "");
580 ASSERT_DEATH(CHECK_STRNE("this", "this"), "");
581 ASSERT_DEATH(CHECK_STREQ((string("a")+"b").c_str(), "abc"), "");
584 TEST(CheckNOTNULL, Simple) {
586 void *ptr = static_cast<void *>(&t);
587 void *ref = CHECK_NOTNULL(ptr);
589 CHECK_NOTNULL(reinterpret_cast<char *>(ptr));
590 CHECK_NOTNULL(reinterpret_cast<unsigned char *>(ptr));
591 CHECK_NOTNULL(reinterpret_cast<int *>(ptr));
592 CHECK_NOTNULL(reinterpret_cast<int64 *>(ptr));
595 TEST(DeathCheckNN, Simple) {
596 ASSERT_DEATH(CHECK_NOTNULL(static_cast<void *>(NULL)), "");
599 // Get list of file names that match pattern
600 static void GetFiles(const string& pattern, vector<string>* files) {
602 #if defined(HAVE_GLOB_H)
604 const int r = glob(pattern.c_str(), 0, NULL, &g);
605 CHECK((r == 0) || (r == GLOB_NOMATCH)) << ": error matching " << pattern;
606 for (int i = 0; i < g.gl_pathc; i++) {
607 files->push_back(string(g.gl_pathv[i]));
610 #elif defined(OS_WINDOWS)
611 WIN32_FIND_DATAA data;
612 HANDLE handle = FindFirstFileA(pattern.c_str(), &data);
613 size_t index = pattern.rfind('\\');
614 if (index == string::npos) {
615 LOG(FATAL) << "No directory separator.";
617 const string dirname = pattern.substr(0, index + 1);
618 if (FAILED(handle)) {
619 // Finding no files is OK.
623 files->push_back(dirname + data.cFileName);
624 } while (FindNextFileA(handle, &data));
625 LOG_SYSRESULT(FindClose(handle));
627 # error There is no way to do glob.
631 // Delete files patching pattern
632 static void DeleteFiles(const string& pattern) {
633 vector<string> files;
634 GetFiles(pattern, &files);
635 for (size_t i = 0; i < files.size(); i++) {
636 CHECK(unlink(files[i].c_str()) == 0) << ": " << strerror(errno);
640 static void CheckFile(const string& name, const string& expected_string) {
641 vector<string> files;
642 GetFiles(name + "*", &files);
643 CHECK_EQ(files.size(), 1);
645 FILE* file = fopen(files[0].c_str(), "r");
646 CHECK(file != NULL) << ": could not open " << files[0];
648 while (fgets(buf, sizeof(buf), file) != NULL) {
649 if (strstr(buf, expected_string.c_str()) != NULL) {
655 LOG(FATAL) << "Did not find " << expected_string << " in " << files[0];
658 static void TestBasename() {
659 fprintf(stderr, "==== Test setting log file basename\n");
660 const string dest = FLAGS_test_tmpdir + "/logging_test_basename";
661 DeleteFiles(dest + "*");
663 SetLogDestination(INFO, dest.c_str());
664 LOG(INFO) << "message to new base";
667 CheckFile(dest, "message to new base");
669 // Release file handle for the destination file to unlock the file in Windows.
671 DeleteFiles(dest + "*");
674 static void TestSymlink() {
676 fprintf(stderr, "==== Test setting log file symlink\n");
677 string dest = FLAGS_test_tmpdir + "/logging_test_symlink";
678 string sym = FLAGS_test_tmpdir + "/symlinkbase";
679 DeleteFiles(dest + "*");
680 DeleteFiles(sym + "*");
682 SetLogSymlink(INFO, "symlinkbase");
683 SetLogDestination(INFO, dest.c_str());
684 LOG(INFO) << "message to new symlink";
686 CheckFile(sym, "message to new symlink");
688 DeleteFiles(dest + "*");
689 DeleteFiles(sym + "*");
693 static void TestExtension() {
694 fprintf(stderr, "==== Test setting log file extension\n");
695 string dest = FLAGS_test_tmpdir + "/logging_test_extension";
696 DeleteFiles(dest + "*");
698 SetLogDestination(INFO, dest.c_str());
699 SetLogFilenameExtension("specialextension");
700 LOG(INFO) << "message to new extension";
702 CheckFile(dest, "message to new extension");
704 // Check that file name ends with extension
705 vector<string> filenames;
706 GetFiles(dest + "*", &filenames);
707 CHECK_EQ(filenames.size(), 1);
708 CHECK(strstr(filenames[0].c_str(), "specialextension") != NULL);
710 // Release file handle for the destination file to unlock the file in Windows.
712 DeleteFiles(dest + "*");
715 struct MyLogger : public base::Logger {
718 virtual void Write(bool should_flush,
722 data.append(message, length);
725 virtual void Flush() { }
727 virtual uint32 LogSize() { return data.length(); }
730 static void TestWrapper() {
731 fprintf(stderr, "==== Test log wrapper\n");
734 base::Logger* old_logger = base::GetLogger(INFO);
735 base::SetLogger(INFO, &my_logger);
736 LOG(INFO) << "Send to wrapped logger";
738 base::SetLogger(INFO, old_logger);
740 CHECK(strstr(my_logger.data.c_str(), "Send to wrapped logger") != NULL);
743 static void TestErrno() {
744 fprintf(stderr, "==== Test errno preservation\n");
748 CHECK_EQ(errno, ENOENT);
751 static void TestOneTruncate(const char *path, int64 limit, int64 keep,
752 int64 dsize, int64 ksize, int64 expect) {
754 CHECK_ERR(fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0600));
756 const char *discardstr = "DISCARDME!", *keepstr = "KEEPME!";
758 // Fill the file with the requested data; first discard data, then kept data
760 while (written < dsize) {
761 int bytes = min<int64>(dsize - written, strlen(discardstr));
762 CHECK_ERR(write(fd, discardstr, bytes));
766 while (written < ksize) {
767 int bytes = min<int64>(ksize - written, strlen(keepstr));
768 CHECK_ERR(write(fd, keepstr, bytes));
772 TruncateLogFile(path, limit, keep);
774 // File should now be shorter
776 CHECK_ERR(fstat(fd, &statbuf));
777 CHECK_EQ(statbuf.st_size, expect);
778 CHECK_ERR(lseek(fd, 0, SEEK_SET));
780 // File should contain the suffix of the original file
781 int buf_size = statbuf.st_size + 1;
782 char* buf = new char[buf_size];
783 memset(buf, 0, sizeof(buf));
784 CHECK_ERR(read(fd, buf, buf_size));
788 while (checked < expect) {
789 int bytes = min<int64>(expect - checked, strlen(keepstr));
790 CHECK(!memcmp(p, keepstr, bytes));
797 static void TestTruncate() {
799 fprintf(stderr, "==== Test log truncation\n");
800 string path = FLAGS_test_tmpdir + "/truncatefile";
802 // Test on a small file
803 TestOneTruncate(path.c_str(), 10, 10, 10, 10, 10);
805 // And a big file (multiple blocks to copy)
806 TestOneTruncate(path.c_str(), 2<<20, 4<<10, 3<<20, 4<<10, 4<<10);
808 // Check edge-case limits
809 TestOneTruncate(path.c_str(), 10, 20, 0, 20, 20);
810 TestOneTruncate(path.c_str(), 10, 0, 0, 0, 0);
811 TestOneTruncate(path.c_str(), 10, 50, 0, 10, 10);
812 TestOneTruncate(path.c_str(), 50, 100, 0, 30, 30);
814 // MacOSX 10.4 doesn't fail in this case.
815 // Windows doesn't have symlink.
816 // Let's just ignore this test for these cases.
817 #if !defined(OS_MACOSX) && !defined(OS_WINDOWS)
818 // Through a symlink should fail to truncate
819 string linkname = path + ".link";
820 unlink(linkname.c_str());
821 CHECK_ERR(symlink(path.c_str(), linkname.c_str()));
822 TestOneTruncate(linkname.c_str(), 10, 10, 0, 30, 30);
825 // The /proc/self path makes sense only for linux.
826 #if defined(OS_LINUX)
827 // Through an open fd symlink should work
829 CHECK_ERR(fd = open(path.c_str(), O_APPEND | O_WRONLY));
831 snprintf(fdpath, sizeof(fdpath), "/proc/self/fd/%d", fd);
832 TestOneTruncate(fdpath, 10, 10, 10, 10, 10);
838 _START_GOOGLE_NAMESPACE_
839 namespace glog_internal_namespace_ {
840 extern // in logging.cc
841 bool SafeFNMatch_(const char* pattern, size_t patt_len,
842 const char* str, size_t str_len);
843 } // namespace glog_internal_namespace_
844 using glog_internal_namespace_::SafeFNMatch_;
845 _END_GOOGLE_NAMESPACE_
847 static bool WrapSafeFNMatch(string pattern, string str) {
850 return SafeFNMatch_(pattern.data(), pattern.size() - 3,
851 str.data(), str.size() - 5);
854 TEST(SafeFNMatch, logging) {
855 CHECK(WrapSafeFNMatch("foo", "foo"));
856 CHECK(!WrapSafeFNMatch("foo", "bar"));
857 CHECK(!WrapSafeFNMatch("foo", "fo"));
858 CHECK(!WrapSafeFNMatch("foo", "foo2"));
859 CHECK(WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext"));
860 CHECK(WrapSafeFNMatch("*ba*r/fo*o.ext*", "bar/foo.ext"));
861 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/baz.ext"));
862 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo"));
863 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext.zip"));
864 CHECK(WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext"));
865 CHECK(WrapSafeFNMatch("ba?/*.ext", "baZ/FOO.ext"));
866 CHECK(!WrapSafeFNMatch("ba?/*.ext", "barr/foo.ext"));
867 CHECK(!WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext2"));
868 CHECK(WrapSafeFNMatch("ba?/*", "bar/foo.ext2"));
869 CHECK(WrapSafeFNMatch("ba?/*", "bar/"));
870 CHECK(!WrapSafeFNMatch("ba?/?", "bar/"));
871 CHECK(!WrapSafeFNMatch("ba?/*", "bar"));
874 // TestWaitingLogSink will save messages here
875 // No lock: Accessed only by TestLogSinkWriter thread
876 // and after its demise by its creator.
877 static vector<string> global_messages;
879 // helper for TestWaitingLogSink below.
880 // Thread that does the logic of TestWaitingLogSink
881 // It's free to use LOG() itself.
882 class TestLogSinkWriter : public Thread {
885 TestLogSinkWriter() : should_exit_(false) {
890 // Just buffer it (can't use LOG() here).
891 void Buffer(const string& message) {
893 RAW_LOG(INFO, "Buffering");
894 messages_.push(message);
896 RAW_LOG(INFO, "Buffered");
899 // Wait for the buffer to clear (can't use LOG() here).
901 RAW_LOG(INFO, "Waiting");
905 SleepForMilliseconds(1);
908 RAW_LOG(INFO, "Waited");
912 // Trigger thread exit.
914 MutexLock l(&mutex_);
920 // helpers ---------------
922 // For creating a "Condition".
923 bool NoWork() { return messages_.empty(); }
924 bool HaveWork() { return !messages_.empty() || should_exit_; }
926 // Thread body; CAN use LOG() here!
930 while (!HaveWork()) {
932 SleepForMilliseconds(1);
935 if (should_exit_ && messages_.empty()) {
939 // Give the main thread time to log its message,
940 // so that we get a reliable log capture to compare to golden file.
941 // Same for the other sleep below.
942 SleepForMilliseconds(20);
943 RAW_LOG(INFO, "Sink got a messages"); // only RAW_LOG under mutex_ here
944 string message = messages_.front();
946 // Normally this would be some more real/involved logging logic
947 // where LOG() usage can't be eliminated,
948 // e.g. pushing the message over with an RPC:
949 int messages_left = messages_.size();
951 SleepForMilliseconds(20);
952 // May not use LOG while holding mutex_, because Buffer()
953 // acquires mutex_, and Buffer is called from LOG(),
954 // which has its own internal mutex:
955 // LOG()->LogToSinks()->TestWaitingLogSink::send()->Buffer()
956 LOG(INFO) << "Sink is sending out a message: " << message;
957 LOG(INFO) << "Have " << messages_left << " left";
958 global_messages.push_back(message);
962 // data ---------------
966 queue<string> messages_; // messages to be logged
969 // A log sink that exercises WaitTillSent:
970 // it pushes data to a buffer and wakes up another thread to do the logging
971 // (that other thread can than use LOG() itself),
972 class TestWaitingLogSink : public LogSink {
975 TestWaitingLogSink() {
976 tid_ = pthread_self(); // for thread-specific behavior
979 ~TestWaitingLogSink() {
985 // (re)define LogSink interface
987 virtual void send(LogSeverity severity, const char* full_filename,
988 const char* base_filename, int line,
989 const struct tm* tm_time,
990 const char* message, size_t message_len) {
991 // Push it to Writer thread if we are the original logging thread.
992 // Note: Something like ThreadLocalLogSink is a better choice
993 // to do thread-specific LogSink logic for real.
994 if (pthread_equal(tid_, pthread_self())) {
995 writer_.Buffer(ToString(severity, base_filename, line,
996 tm_time, message, message_len));
999 virtual void WaitTillSent() {
1000 // Wait for Writer thread if we are the original logging thread.
1001 if (pthread_equal(tid_, pthread_self())) writer_.Wait();
1007 TestLogSinkWriter writer_;
1010 // Check that LogSink::WaitTillSent can be used in the advertised way.
1011 // We also do golden-stderr comparison.
1012 static void TestLogSinkWaitTillSent() {
1013 { TestWaitingLogSink sink;
1014 // Sleeps give the sink threads time to do all their work,
1015 // so that we get a reliable log capture to compare to the golden file.
1016 LOG(INFO) << "Message 1";
1017 SleepForMilliseconds(60);
1018 LOG(ERROR) << "Message 2";
1019 SleepForMilliseconds(60);
1020 LOG(WARNING) << "Message 3";
1021 SleepForMilliseconds(60);
1023 for (size_t i = 0; i < global_messages.size(); ++i) {
1024 LOG(INFO) << "Sink capture: " << global_messages[i];
1026 CHECK_EQ(global_messages.size(), 3);
1029 TEST(Strerror, logging) {
1030 int errcode = EINTR;
1031 char *msg = strdup(strerror(errcode));
1032 int buf_size = strlen(msg) + 1;
1033 char *buf = new char[buf_size];
1034 CHECK_EQ(posix_strerror_r(errcode, NULL, 0), -1);
1036 CHECK_EQ(posix_strerror_r(errcode, buf, 0), -1);
1037 CHECK_EQ(buf[0], 'A');
1038 CHECK_EQ(posix_strerror_r(errcode, NULL, buf_size), -1);
1039 #if defined(OS_MACOSX) || defined(OS_FREEBSD) || defined(OS_OPENBSD)
1040 // MacOSX or FreeBSD considers this case is an error since there is
1042 CHECK_EQ(posix_strerror_r(errcode, buf, 1), -1);
1044 CHECK_EQ(posix_strerror_r(errcode, buf, 1), 0);
1046 CHECK_STREQ(buf, "");
1047 CHECK_EQ(posix_strerror_r(errcode, buf, buf_size), 0);
1048 CHECK_STREQ(buf, msg);
1053 // Simple routines to look at the sizes of generated code for LOG(FATAL) and
1054 // CHECK(..) via objdump
1056 LOG(FATAL) << "Failed";
1058 void MyCheck(bool a, bool b) {
1062 #ifdef HAVE_LIB_GMOCK
1064 TEST(DVLog, Basic) {
1068 // We are expecting that nothing is logged.
1069 EXPECT_CALL(log, Log(_, _, _)).Times(0);
1071 EXPECT_CALL(log, Log(INFO, __FILE__, "debug log"));
1075 DVLOG(1) << "debug log";
1081 // We are expecting that nothing is logged.
1082 EXPECT_CALL(log, Log(_, _, _)).Times(0);
1085 DVLOG(1) << "debug log";
1088 TEST(LogAtLevel, Basic) {
1091 // The function version outputs "logging.h" as a file name.
1092 EXPECT_CALL(log, Log(WARNING, StrNe(__FILE__), "function version"));
1093 EXPECT_CALL(log, Log(INFO, __FILE__, "macro version"));
1095 int severity = WARNING;
1096 LogAtLevel(severity, "function version");
1099 // We can use the macro version as a C++ stream.
1100 LOG_AT_LEVEL(severity) << "macro" << ' ' << "version";
1103 TEST(TestExitOnDFatal, ToBeOrNotToBe) {
1104 // Check the default setting...
1105 EXPECT_TRUE(base::internal::GetExitOnDFatal());
1108 base::internal::SetExitOnDFatal(false);
1109 EXPECT_FALSE(base::internal::GetExitOnDFatal());
1114 //EXPECT_CALL(log, Log(_, _, _)).Times(AnyNumber());
1115 // LOG(DFATAL) has severity FATAL if debugging, but is
1116 // downgraded to ERROR if not debugging.
1117 const LogSeverity severity =
1123 EXPECT_CALL(log, Log(severity, __FILE__, "This should not be fatal"));
1124 LOG(DFATAL) << "This should not be fatal";
1128 base::internal::SetExitOnDFatal(true);
1129 EXPECT_TRUE(base::internal::GetExitOnDFatal());
1131 #ifdef GTEST_HAS_DEATH_TEST
1132 // Death comes on little cats' feet.
1133 EXPECT_DEBUG_DEATH({
1134 LOG(DFATAL) << "This should be fatal in debug mode";
1135 }, "This should be fatal in debug mode");
1139 #ifdef HAVE_STACKTRACE
1141 static void BacktraceAtHelper() {
1142 LOG(INFO) << "Not me";
1144 // The vertical spacing of the next 3 lines is significant.
1145 LOG(INFO) << "Backtrace me";
1147 static int kBacktraceAtLine = __LINE__ - 2; // The line of the LOG(INFO) above
1149 TEST(LogBacktraceAt, DoesNotBacktraceWhenDisabled) {
1150 StrictMock<ScopedMockLog> log;
1152 FLAGS_log_backtrace_at = "";
1154 EXPECT_CALL(log, Log(_, _, "Backtrace me"));
1155 EXPECT_CALL(log, Log(_, _, "Not me"));
1157 BacktraceAtHelper();
1160 TEST(LogBacktraceAt, DoesBacktraceAtRightLineWhenEnabled) {
1161 StrictMock<ScopedMockLog> log;
1164 snprintf(where, 100, "%s:%d", const_basename(__FILE__), kBacktraceAtLine);
1165 FLAGS_log_backtrace_at = where;
1167 // The LOG at the specified line should include a stacktrace which includes
1168 // the name of the containing function, followed by the log message.
1169 // We use HasSubstr()s instead of ContainsRegex() for environments
1170 // which don't have regexp.
1171 EXPECT_CALL(log, Log(_, _, AllOf(HasSubstr("stacktrace:"),
1172 HasSubstr("BacktraceAtHelper"),
1174 HasSubstr("Backtrace me"))));
1175 // Other LOGs should not include a backtrace.
1176 EXPECT_CALL(log, Log(_, _, "Not me"));
1178 BacktraceAtHelper();
1181 #endif // HAVE_STACKTRACE
1183 #endif // HAVE_LIB_GMOCK
1185 struct UserDefinedClass {
1186 bool operator==(const UserDefinedClass& rhs) const { return true; }
1189 inline ostream& operator<<(ostream& out, const UserDefinedClass& u) {
1194 TEST(UserDefinedClass, logging) {
1197 LOG_STRING(INFO, &buf) << u;
1198 CHECK_EQ(1, buf.size());
1199 CHECK(buf[0].find("OK") != string::npos);
1201 // We must be able to compile this.