1 // Copyright (c) 2002, Google Inc.
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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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32 #include "config_for_unittests.h"
33 #include "utilities.h"
55 #include "base/commandlineflags.h"
56 #include "glog/logging.h"
57 #include "glog/raw_logging.h"
58 #include "googletest.h"
60 DECLARE_string(log_backtrace_at); // logging.cc
62 #ifdef HAVE_LIB_GFLAGS
63 #include <gflags/gflags.h>
67 #include <gmock/gmock.h>
69 // Introduce several symbols from gmock.
71 using testing::AnyNumber;
72 using testing::HasSubstr;
75 using testing::StrictMock;
76 using testing::InitGoogleMock;
77 using GOOGLE_NAMESPACE::glog_testing::ScopedMockLog;
81 using namespace GOOGLE_NAMESPACE;
83 // Some non-advertised functions that we want to test or use.
84 _START_GOOGLE_NAMESPACE_
87 bool GetExitOnDFatal();
88 void SetExitOnDFatal(bool value);
89 } // namespace internal
91 _END_GOOGLE_NAMESPACE_
93 static void TestLogging(bool check_counts);
94 static void TestRawLogging();
95 static void LogWithLevels(int v, int severity, bool err, bool alsoerr);
96 static void TestLoggingLevels();
97 static void TestLogString();
98 static void TestLogSink();
99 static void TestLogToString();
100 static void TestLogSinkWaitTillSent();
101 static void TestCHECK();
102 static void TestDCHECK();
103 static void TestSTREQ();
104 static void TestBasename();
105 static void TestSymlink();
106 static void TestExtension();
107 static void TestWrapper();
108 static void TestErrno();
109 static void TestTruncate();
112 static void BM_Check1(int n) {
124 BENCHMARK(BM_Check1);
126 static void CheckFailure(int a, int b, const char* file, int line, const char* msg);
127 static void BM_Check3(int n) {
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");
136 if (n < x) CheckFailure(n, x, __FILE__, __LINE__, "n < x");
139 BENCHMARK(BM_Check3);
141 static void BM_Check2(int n) {
156 BENCHMARK(BM_Check2);
158 static void CheckFailure(int, int, const char* /* file */, int /* line */,
159 const char* /* msg */) {
162 static void BM_logspeed(int n) {
164 LOG(INFO) << "test message";
167 BENCHMARK(BM_logspeed);
169 static void BM_vlog(int n) {
171 VLOG(1) << "test message";
176 int main(int argc, char **argv) {
177 #ifdef HAVE_LIB_GFLAGS
178 ParseCommandLineFlags(&argc, &argv, true);
181 // Test some basics before InitGoogleLogging:
183 LogWithLevels(FLAGS_v, FLAGS_stderrthreshold,
184 FLAGS_logtostderr, FLAGS_alsologtostderr);
185 LogWithLevels(0, 0, 0, 0); // simulate "before global c-tors"
186 const string early_stderr = GetCapturedTestStderr();
188 InitGoogleLogging(argv[0]);
190 RunSpecifiedBenchmarks();
192 FLAGS_logtostderr = true;
194 InitGoogleTest(&argc, argv);
195 #ifdef HAVE_LIB_GMOCK
196 InitGoogleMock(&argc, argv);
199 // so that death tests run before we use threads
200 CHECK_EQ(RUN_ALL_TESTS(), 0);
204 // re-emit early_stderr
205 LogMessage("dummy", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << early_stderr;
213 TestLogSinkWaitTillSent();
218 // TODO: The golden test portion of this test is very flakey.
220 MungeAndDiffTestStderr(FLAGS_test_srcdir + "/src/logging_unittest.err"));
222 FLAGS_logtostderr = false;
231 ShutdownGoogleLogging();
233 fprintf(stdout, "PASS\n");
237 void TestLogging(bool check_counts) {
238 int64 base_num_infos = LogMessage::num_messages(GLOG_INFO);
239 int64 base_num_warning = LogMessage::num_messages(GLOG_WARNING);
240 int64 base_num_errors = LogMessage::num_messages(GLOG_ERROR);
242 LOG(INFO) << string("foo ") << "bar " << 10 << ' ' << 3.4;
243 for ( int i = 0; i < 10; ++i ) {
244 int old_errno = errno;
246 PLOG_EVERY_N(ERROR, 2) << "Plog every 2, iteration " << COUNTER;
249 LOG_EVERY_N(ERROR, 3) << "Log every 3, iteration " << COUNTER << endl;
250 LOG_EVERY_N(ERROR, 4) << "Log every 4, iteration " << COUNTER << endl;
252 LOG_IF_EVERY_N(WARNING, true, 5) << "Log if every 5, iteration " << COUNTER;
253 LOG_IF_EVERY_N(WARNING, false, 3)
254 << "Log if every 3, iteration " << COUNTER;
255 LOG_IF_EVERY_N(INFO, true, 1) << "Log if every 1, iteration " << COUNTER;
256 LOG_IF_EVERY_N(ERROR, (i < 3), 2)
257 << "Log if less than 3 every 2, iteration " << COUNTER;
259 LOG_IF(WARNING, true) << "log_if this";
260 LOG_IF(WARNING, false) << "don't log_if this";
264 const char const_s[] = "const array";
265 LOG(INFO) << const_s;
267 LOG(ERROR) << string("foo") << ' '<< j << ' ' << setw(10) << j << " "
268 << setw(1) << hex << j;
270 LogMessage("foo", LogMessage::kNoLogPrefix, GLOG_INFO).stream() << "no prefix";
273 CHECK_EQ(base_num_infos + 14, LogMessage::num_messages(GLOG_INFO));
274 CHECK_EQ(base_num_warning + 3, LogMessage::num_messages(GLOG_WARNING));
275 CHECK_EQ(base_num_errors + 15, LogMessage::num_messages(GLOG_ERROR));
279 static void NoAllocNewHook() {
280 CHECK(false) << "unexpected new";
285 g_new_hook = &NoAllocNewHook;
292 TEST(DeathNoAllocNewHook, logging) {
293 // tests that NewHook used below works
297 }, "unexpected new");
300 void TestRawLogging() {
301 string* foo = new string("foo ");
302 string huge_str(50000, 'a');
306 // Check that RAW loggging does not use mallocs.
309 RAW_LOG(INFO, "%s%s%d%c%f", foo->c_str(), "bar ", 10, ' ', 3.4);
311 RAW_LOG(WARNING, "%s", s);
312 const char const_s[] = "const array";
313 RAW_LOG(INFO, "%s", const_s);
314 void* p = reinterpret_cast<void*>(0x12345678);
315 RAW_LOG(INFO, "ptr %p", p);
317 RAW_LOG(INFO, "ptr %p", p);
319 RAW_LOG(ERROR, "%s%d%c%010d%s%1x", foo->c_str(), j, ' ', j, " ", j);
320 RAW_VLOG(0, "foo %d", j);
323 RAW_LOG(INFO, "foo %d", j); // so that have same stderr to compare
325 RAW_DLOG(INFO, "foo %d", j); // test RAW_DLOG in debug mode
328 // test how long messages are chopped:
329 RAW_LOG(WARNING, "Huge string: %s", huge_str.c_str());
330 RAW_VLOG(0, "Huge string: %s", huge_str.c_str());
333 RAW_LOG(INFO, "log");
334 RAW_VLOG(0, "vlog 0 on");
335 RAW_VLOG(1, "vlog 1 off");
336 RAW_VLOG(2, "vlog 2 off");
337 RAW_VLOG(3, "vlog 3 off");
339 RAW_LOG(INFO, "log");
340 RAW_VLOG(1, "vlog 1 on");
341 RAW_VLOG(2, "vlog 2 on");
342 RAW_VLOG(3, "vlog 3 off");
345 RAW_DCHECK(1 == 2, " RAW_DCHECK's shouldn't be compiled in normal mode");
348 RAW_CHECK(1 == 1, "should be ok");
349 RAW_DCHECK(true, "should be ok");
354 void LogWithLevels(int v, int severity, bool err, bool alsoerr) {
356 "Test: v=%d stderrthreshold=%d logtostderr=%d alsologtostderr=%d",
357 v, severity, err, alsoerr);
362 FLAGS_stderrthreshold = severity;
363 FLAGS_logtostderr = err;
364 FLAGS_alsologtostderr = alsoerr;
366 RAW_VLOG(-1, "vlog -1");
367 RAW_VLOG(0, "vlog 0");
368 RAW_VLOG(1, "vlog 1");
369 RAW_LOG(INFO, "log info");
370 RAW_LOG(WARNING, "log warning");
371 RAW_LOG(ERROR, "log error");
373 VLOG(-1) << "vlog -1";
376 LOG(INFO) << "log info";
377 LOG(WARNING) << "log warning";
378 LOG(ERROR) << "log error";
380 VLOG_IF(-1, true) << "vlog_if -1";
381 VLOG_IF(-1, false) << "don't vlog_if -1";
382 VLOG_IF(0, true) << "vlog_if 0";
383 VLOG_IF(0, false) << "don't vlog_if 0";
384 VLOG_IF(1, true) << "vlog_if 1";
385 VLOG_IF(1, false) << "don't vlog_if 1";
386 LOG_IF(INFO, true) << "log_if info";
387 LOG_IF(INFO, false) << "don't log_if info";
388 LOG_IF(WARNING, true) << "log_if warning";
389 LOG_IF(WARNING, false) << "don't log_if warning";
390 LOG_IF(ERROR, true) << "log_if error";
391 LOG_IF(ERROR, false) << "don't log_if error";
394 c = 1; VLOG_IF(100, c -= 2) << "vlog_if 100 expr"; EXPECT_EQ(c, -1);
395 c = 1; VLOG_IF(0, c -= 2) << "vlog_if 0 expr"; EXPECT_EQ(c, -1);
396 c = 1; LOG_IF(INFO, c -= 2) << "log_if info expr"; EXPECT_EQ(c, -1);
397 c = 1; LOG_IF(ERROR, c -= 2) << "log_if error expr"; EXPECT_EQ(c, -1);
398 c = 2; VLOG_IF(0, c -= 2) << "don't vlog_if 0 expr"; EXPECT_EQ(c, 0);
399 c = 2; LOG_IF(ERROR, c -= 2) << "don't log_if error expr"; EXPECT_EQ(c, 0);
401 c = 3; LOG_IF_EVERY_N(INFO, c -= 4, 1) << "log_if info every 1 expr";
403 c = 3; LOG_IF_EVERY_N(ERROR, c -= 4, 1) << "log_if error every 1 expr";
405 c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if info every 3 expr";
407 c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if error every 3 expr";
409 c = 5; VLOG_IF_EVERY_N(0, c -= 4, 1) << "vlog_if 0 every 1 expr";
411 c = 5; VLOG_IF_EVERY_N(100, c -= 4, 3) << "vlog_if 100 every 3 expr";
413 c = 6; VLOG_IF_EVERY_N(0, c -= 6, 1) << "don't vlog_if 0 every 1 expr";
415 c = 6; VLOG_IF_EVERY_N(100, c -= 6, 3) << "don't vlog_if 100 every 1 expr";
419 void TestLoggingLevels() {
420 LogWithLevels(0, GLOG_INFO, false, false);
421 LogWithLevels(1, GLOG_INFO, false, false);
422 LogWithLevels(-1, GLOG_INFO, false, false);
423 LogWithLevels(0, GLOG_WARNING, false, false);
424 LogWithLevels(0, GLOG_ERROR, false, false);
425 LogWithLevels(0, GLOG_FATAL, false, false);
426 LogWithLevels(0, GLOG_FATAL, true, false);
427 LogWithLevels(0, GLOG_FATAL, false, true);
428 LogWithLevels(1, GLOG_WARNING, false, false);
429 LogWithLevels(1, GLOG_FATAL, false, true);
432 TEST(DeathRawCHECK, logging) {
433 ASSERT_DEATH(RAW_CHECK(false, "failure 1"),
434 "RAW: Check false failed: failure 1");
435 ASSERT_DEBUG_DEATH(RAW_DCHECK(1 == 2, "failure 2"),
436 "RAW: Check 1 == 2 failed: failure 2");
439 void TestLogString() {
440 vector<string> errors;
441 vector<string> *no_errors = NULL;
443 LOG_STRING(INFO, &errors) << "LOG_STRING: " << "collected info";
444 LOG_STRING(WARNING, &errors) << "LOG_STRING: " << "collected warning";
445 LOG_STRING(ERROR, &errors) << "LOG_STRING: " << "collected error";
447 LOG_STRING(INFO, no_errors) << "LOG_STRING: " << "reported info";
448 LOG_STRING(WARNING, no_errors) << "LOG_STRING: " << "reported warning";
449 LOG_STRING(ERROR, NULL) << "LOG_STRING: " << "reported error";
451 for (size_t i = 0; i < errors.size(); ++i) {
452 LOG(INFO) << "Captured by LOG_STRING: " << errors[i];
456 void TestLogToString() {
458 string* no_error = NULL;
460 LOG_TO_STRING(INFO, &error) << "LOG_TO_STRING: " << "collected info";
461 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
462 LOG_TO_STRING(WARNING, &error) << "LOG_TO_STRING: " << "collected warning";
463 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
464 LOG_TO_STRING(ERROR, &error) << "LOG_TO_STRING: " << "collected error";
465 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
467 LOG_TO_STRING(INFO, no_error) << "LOG_TO_STRING: " << "reported info";
468 LOG_TO_STRING(WARNING, no_error) << "LOG_TO_STRING: " << "reported warning";
469 LOG_TO_STRING(ERROR, NULL) << "LOG_TO_STRING: " << "reported error";
472 class TestLogSinkImpl : public LogSink {
474 vector<string> errors;
475 virtual void send(LogSeverity severity, const char* /* full_filename */,
476 const char* base_filename, int line,
477 const struct tm* tm_time,
478 const char* message, size_t message_len) {
480 ToString(severity, base_filename, line, tm_time, message, message_len));
485 TestLogSinkImpl sink;
486 LogSink *no_sink = NULL;
488 LOG_TO_SINK(&sink, INFO) << "LOG_TO_SINK: " << "collected info";
489 LOG_TO_SINK(&sink, WARNING) << "LOG_TO_SINK: " << "collected warning";
490 LOG_TO_SINK(&sink, ERROR) << "LOG_TO_SINK: " << "collected error";
492 LOG_TO_SINK(no_sink, INFO) << "LOG_TO_SINK: " << "reported info";
493 LOG_TO_SINK(no_sink, WARNING) << "LOG_TO_SINK: " << "reported warning";
494 LOG_TO_SINK(NULL, ERROR) << "LOG_TO_SINK: " << "reported error";
496 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, INFO)
497 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected info";
498 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, WARNING)
499 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected warning";
500 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, ERROR)
501 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected error";
503 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, INFO)
504 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed info";
505 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, WARNING)
506 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed warning";
507 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(NULL, ERROR)
508 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed error";
510 LOG(INFO) << "Captured by LOG_TO_SINK:";
511 for (size_t i = 0; i < sink.errors.size(); ++i) {
512 LogMessage("foo", LogMessage::kNoLogPrefix, GLOG_INFO).stream()
517 // For testing using CHECK*() on anonymous enums.
524 // Tests using CHECK*() on int values.
535 // Tests using CHECK*() on anonymous enums.
536 // Apple's GCC doesn't like this.
537 #if !defined(OS_MACOSX)
538 CHECK_EQ(CASE_A, CASE_A);
539 CHECK_NE(CASE_A, CASE_B);
540 CHECK_GE(CASE_A, CASE_A);
541 CHECK_GE(CASE_B, CASE_A);
542 CHECK_LE(CASE_A, CASE_A);
543 CHECK_LE(CASE_A, CASE_B);
544 CHECK_GT(CASE_B, CASE_A);
545 CHECK_LT(CASE_A, CASE_B);
551 DCHECK( 1 == 2 ) << " DCHECK's shouldn't be compiled in normal mode";
563 auto_ptr<int64> sptr(new int64);
564 int64* ptr = DCHECK_NOTNULL(sptr.get());
565 CHECK_EQ(ptr, sptr.get());
569 CHECK_STREQ("this", "this");
570 CHECK_STREQ(NULL, NULL);
571 CHECK_STRCASEEQ("this", "tHiS");
572 CHECK_STRCASEEQ(NULL, NULL);
573 CHECK_STRNE("this", "tHiS");
574 CHECK_STRNE("this", NULL);
575 CHECK_STRCASENE("this", "that");
576 CHECK_STRCASENE(NULL, "that");
577 CHECK_STREQ((string("a")+"b").c_str(), "ab");
578 CHECK_STREQ(string("test").c_str(),
579 (string("te") + string("st")).c_str());
582 TEST(DeathSTREQ, logging) {
583 ASSERT_DEATH(CHECK_STREQ(NULL, "this"), "");
584 ASSERT_DEATH(CHECK_STREQ("this", "siht"), "");
585 ASSERT_DEATH(CHECK_STRCASEEQ(NULL, "siht"), "");
586 ASSERT_DEATH(CHECK_STRCASEEQ("this", "siht"), "");
587 ASSERT_DEATH(CHECK_STRNE(NULL, NULL), "");
588 ASSERT_DEATH(CHECK_STRNE("this", "this"), "");
589 ASSERT_DEATH(CHECK_STREQ((string("a")+"b").c_str(), "abc"), "");
592 TEST(CheckNOTNULL, Simple) {
594 void *ptr = static_cast<void *>(&t);
595 void *ref = CHECK_NOTNULL(ptr);
597 CHECK_NOTNULL(reinterpret_cast<char *>(ptr));
598 CHECK_NOTNULL(reinterpret_cast<unsigned char *>(ptr));
599 CHECK_NOTNULL(reinterpret_cast<int *>(ptr));
600 CHECK_NOTNULL(reinterpret_cast<int64 *>(ptr));
603 TEST(DeathCheckNN, Simple) {
604 ASSERT_DEATH(CHECK_NOTNULL(static_cast<void *>(NULL)), "");
607 // Get list of file names that match pattern
608 static void GetFiles(const string& pattern, vector<string>* files) {
610 #if defined(HAVE_GLOB_H)
612 const int r = glob(pattern.c_str(), 0, NULL, &g);
613 CHECK((r == 0) || (r == GLOB_NOMATCH)) << ": error matching " << pattern;
614 for (size_t i = 0; i < g.gl_pathc; i++) {
615 files->push_back(string(g.gl_pathv[i]));
618 #elif defined(OS_WINDOWS)
619 WIN32_FIND_DATAA data;
620 HANDLE handle = FindFirstFileA(pattern.c_str(), &data);
621 size_t index = pattern.rfind('\\');
622 if (index == string::npos) {
623 LOG(FATAL) << "No directory separator.";
625 const string dirname = pattern.substr(0, index + 1);
626 if (FAILED(handle)) {
627 // Finding no files is OK.
631 files->push_back(dirname + data.cFileName);
632 } while (FindNextFileA(handle, &data));
633 LOG_SYSRESULT(FindClose(handle));
635 # error There is no way to do glob.
639 // Delete files patching pattern
640 static void DeleteFiles(const string& pattern) {
641 vector<string> files;
642 GetFiles(pattern, &files);
643 for (size_t i = 0; i < files.size(); i++) {
644 CHECK(unlink(files[i].c_str()) == 0) << ": " << strerror(errno);
648 static void CheckFile(const string& name, const string& expected_string) {
649 vector<string> files;
650 GetFiles(name + "*", &files);
651 CHECK_EQ(files.size(), 1UL);
653 FILE* file = fopen(files[0].c_str(), "r");
654 CHECK(file != NULL) << ": could not open " << files[0];
656 while (fgets(buf, sizeof(buf), file) != NULL) {
657 if (strstr(buf, expected_string.c_str()) != NULL) {
663 LOG(FATAL) << "Did not find " << expected_string << " in " << files[0];
666 static void TestBasename() {
667 fprintf(stderr, "==== Test setting log file basename\n");
668 const string dest = FLAGS_test_tmpdir + "/logging_test_basename";
669 DeleteFiles(dest + "*");
671 SetLogDestination(GLOG_INFO, dest.c_str());
672 LOG(INFO) << "message to new base";
673 FlushLogFiles(GLOG_INFO);
675 CheckFile(dest, "message to new base");
677 // Release file handle for the destination file to unlock the file in Windows.
679 DeleteFiles(dest + "*");
682 static void TestSymlink() {
684 fprintf(stderr, "==== Test setting log file symlink\n");
685 string dest = FLAGS_test_tmpdir + "/logging_test_symlink";
686 string sym = FLAGS_test_tmpdir + "/symlinkbase";
687 DeleteFiles(dest + "*");
688 DeleteFiles(sym + "*");
690 SetLogSymlink(GLOG_INFO, "symlinkbase");
691 SetLogDestination(GLOG_INFO, dest.c_str());
692 LOG(INFO) << "message to new symlink";
693 FlushLogFiles(GLOG_INFO);
694 CheckFile(sym, "message to new symlink");
696 DeleteFiles(dest + "*");
697 DeleteFiles(sym + "*");
701 static void TestExtension() {
702 fprintf(stderr, "==== Test setting log file extension\n");
703 string dest = FLAGS_test_tmpdir + "/logging_test_extension";
704 DeleteFiles(dest + "*");
706 SetLogDestination(GLOG_INFO, dest.c_str());
707 SetLogFilenameExtension("specialextension");
708 LOG(INFO) << "message to new extension";
709 FlushLogFiles(GLOG_INFO);
710 CheckFile(dest, "message to new extension");
712 // Check that file name ends with extension
713 vector<string> filenames;
714 GetFiles(dest + "*", &filenames);
715 CHECK_EQ(filenames.size(), 1UL);
716 CHECK(strstr(filenames[0].c_str(), "specialextension") != NULL);
718 // Release file handle for the destination file to unlock the file in Windows.
720 DeleteFiles(dest + "*");
723 struct MyLogger : public base::Logger {
726 virtual void Write(bool /* should_flush */,
727 time_t /* timestamp */,
730 data.append(message, length);
733 virtual void Flush() { }
735 virtual uint32 LogSize() { return data.length(); }
738 static void TestWrapper() {
739 fprintf(stderr, "==== Test log wrapper\n");
742 base::Logger* old_logger = base::GetLogger(GLOG_INFO);
743 base::SetLogger(GLOG_INFO, &my_logger);
744 LOG(INFO) << "Send to wrapped logger";
745 FlushLogFiles(GLOG_INFO);
746 base::SetLogger(GLOG_INFO, old_logger);
748 CHECK(strstr(my_logger.data.c_str(), "Send to wrapped logger") != NULL);
751 static void TestErrno() {
752 fprintf(stderr, "==== Test errno preservation\n");
756 CHECK_EQ(errno, ENOENT);
759 static void TestOneTruncate(const char *path, int64 limit, int64 keep,
760 int64 dsize, int64 ksize, int64 expect) {
762 CHECK_ERR(fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0600));
764 const char *discardstr = "DISCARDME!", *keepstr = "KEEPME!";
766 // Fill the file with the requested data; first discard data, then kept data
768 while (written < dsize) {
769 int bytes = min<int64>(dsize - written, strlen(discardstr));
770 CHECK_ERR(write(fd, discardstr, bytes));
774 while (written < ksize) {
775 int bytes = min<int64>(ksize - written, strlen(keepstr));
776 CHECK_ERR(write(fd, keepstr, bytes));
780 TruncateLogFile(path, limit, keep);
782 // File should now be shorter
784 CHECK_ERR(fstat(fd, &statbuf));
785 CHECK_EQ(statbuf.st_size, expect);
786 CHECK_ERR(lseek(fd, 0, SEEK_SET));
788 // File should contain the suffix of the original file
789 const size_t buf_size = statbuf.st_size + 1;
790 char* buf = new char[buf_size];
791 memset(buf, 0, buf_size);
792 CHECK_ERR(read(fd, buf, buf_size));
796 while (checked < expect) {
797 int bytes = min<int64>(expect - checked, strlen(keepstr));
798 CHECK(!memcmp(p, keepstr, bytes));
805 static void TestTruncate() {
807 fprintf(stderr, "==== Test log truncation\n");
808 string path = FLAGS_test_tmpdir + "/truncatefile";
810 // Test on a small file
811 TestOneTruncate(path.c_str(), 10, 10, 10, 10, 10);
813 // And a big file (multiple blocks to copy)
814 TestOneTruncate(path.c_str(), 2<<20, 4<<10, 3<<20, 4<<10, 4<<10);
816 // Check edge-case limits
817 TestOneTruncate(path.c_str(), 10, 20, 0, 20, 20);
818 TestOneTruncate(path.c_str(), 10, 0, 0, 0, 0);
819 TestOneTruncate(path.c_str(), 10, 50, 0, 10, 10);
820 TestOneTruncate(path.c_str(), 50, 100, 0, 30, 30);
822 // MacOSX 10.4 doesn't fail in this case.
823 // Windows doesn't have symlink.
824 // Let's just ignore this test for these cases.
825 #if !defined(OS_MACOSX) && !defined(OS_WINDOWS)
826 // Through a symlink should fail to truncate
827 string linkname = path + ".link";
828 unlink(linkname.c_str());
829 CHECK_ERR(symlink(path.c_str(), linkname.c_str()));
830 TestOneTruncate(linkname.c_str(), 10, 10, 0, 30, 30);
833 // The /proc/self path makes sense only for linux.
834 #if defined(OS_LINUX)
835 // Through an open fd symlink should work
837 CHECK_ERR(fd = open(path.c_str(), O_APPEND | O_WRONLY));
839 snprintf(fdpath, sizeof(fdpath), "/proc/self/fd/%d", fd);
840 TestOneTruncate(fdpath, 10, 10, 10, 10, 10);
846 _START_GOOGLE_NAMESPACE_
847 namespace glog_internal_namespace_ {
848 extern // in logging.cc
849 bool SafeFNMatch_(const char* pattern, size_t patt_len,
850 const char* str, size_t str_len);
851 } // namespace glog_internal_namespace_
852 using glog_internal_namespace_::SafeFNMatch_;
853 _END_GOOGLE_NAMESPACE_
855 static bool WrapSafeFNMatch(string pattern, string str) {
858 return SafeFNMatch_(pattern.data(), pattern.size() - 3,
859 str.data(), str.size() - 5);
862 TEST(SafeFNMatch, logging) {
863 CHECK(WrapSafeFNMatch("foo", "foo"));
864 CHECK(!WrapSafeFNMatch("foo", "bar"));
865 CHECK(!WrapSafeFNMatch("foo", "fo"));
866 CHECK(!WrapSafeFNMatch("foo", "foo2"));
867 CHECK(WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext"));
868 CHECK(WrapSafeFNMatch("*ba*r/fo*o.ext*", "bar/foo.ext"));
869 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/baz.ext"));
870 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo"));
871 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext.zip"));
872 CHECK(WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext"));
873 CHECK(WrapSafeFNMatch("ba?/*.ext", "baZ/FOO.ext"));
874 CHECK(!WrapSafeFNMatch("ba?/*.ext", "barr/foo.ext"));
875 CHECK(!WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext2"));
876 CHECK(WrapSafeFNMatch("ba?/*", "bar/foo.ext2"));
877 CHECK(WrapSafeFNMatch("ba?/*", "bar/"));
878 CHECK(!WrapSafeFNMatch("ba?/?", "bar/"));
879 CHECK(!WrapSafeFNMatch("ba?/*", "bar"));
882 // TestWaitingLogSink will save messages here
883 // No lock: Accessed only by TestLogSinkWriter thread
884 // and after its demise by its creator.
885 static vector<string> global_messages;
887 // helper for TestWaitingLogSink below.
888 // Thread that does the logic of TestWaitingLogSink
889 // It's free to use LOG() itself.
890 class TestLogSinkWriter : public Thread {
893 TestLogSinkWriter() : should_exit_(false) {
898 // Just buffer it (can't use LOG() here).
899 void Buffer(const string& message) {
901 RAW_LOG(INFO, "Buffering");
902 messages_.push(message);
904 RAW_LOG(INFO, "Buffered");
907 // Wait for the buffer to clear (can't use LOG() here).
909 RAW_LOG(INFO, "Waiting");
913 SleepForMilliseconds(1);
916 RAW_LOG(INFO, "Waited");
920 // Trigger thread exit.
922 MutexLock l(&mutex_);
928 // helpers ---------------
930 // For creating a "Condition".
931 bool NoWork() { return messages_.empty(); }
932 bool HaveWork() { return !messages_.empty() || should_exit_; }
934 // Thread body; CAN use LOG() here!
938 while (!HaveWork()) {
940 SleepForMilliseconds(1);
943 if (should_exit_ && messages_.empty()) {
947 // Give the main thread time to log its message,
948 // so that we get a reliable log capture to compare to golden file.
949 // Same for the other sleep below.
950 SleepForMilliseconds(20);
951 RAW_LOG(INFO, "Sink got a messages"); // only RAW_LOG under mutex_ here
952 string message = messages_.front();
954 // Normally this would be some more real/involved logging logic
955 // where LOG() usage can't be eliminated,
956 // e.g. pushing the message over with an RPC:
957 int messages_left = messages_.size();
959 SleepForMilliseconds(20);
960 // May not use LOG while holding mutex_, because Buffer()
961 // acquires mutex_, and Buffer is called from LOG(),
962 // which has its own internal mutex:
963 // LOG()->LogToSinks()->TestWaitingLogSink::send()->Buffer()
964 LOG(INFO) << "Sink is sending out a message: " << message;
965 LOG(INFO) << "Have " << messages_left << " left";
966 global_messages.push_back(message);
970 // data ---------------
974 queue<string> messages_; // messages to be logged
977 // A log sink that exercises WaitTillSent:
978 // it pushes data to a buffer and wakes up another thread to do the logging
979 // (that other thread can than use LOG() itself),
980 class TestWaitingLogSink : public LogSink {
983 TestWaitingLogSink() {
984 tid_ = pthread_self(); // for thread-specific behavior
987 ~TestWaitingLogSink() {
993 // (re)define LogSink interface
995 virtual void send(LogSeverity severity, const char* /* full_filename */,
996 const char* base_filename, int line,
997 const struct tm* tm_time,
998 const char* message, size_t message_len) {
999 // Push it to Writer thread if we are the original logging thread.
1000 // Note: Something like ThreadLocalLogSink is a better choice
1001 // to do thread-specific LogSink logic for real.
1002 if (pthread_equal(tid_, pthread_self())) {
1003 writer_.Buffer(ToString(severity, base_filename, line,
1004 tm_time, message, message_len));
1007 virtual void WaitTillSent() {
1008 // Wait for Writer thread if we are the original logging thread.
1009 if (pthread_equal(tid_, pthread_self())) writer_.Wait();
1015 TestLogSinkWriter writer_;
1018 // Check that LogSink::WaitTillSent can be used in the advertised way.
1019 // We also do golden-stderr comparison.
1020 static void TestLogSinkWaitTillSent() {
1021 { TestWaitingLogSink sink;
1022 // Sleeps give the sink threads time to do all their work,
1023 // so that we get a reliable log capture to compare to the golden file.
1024 LOG(INFO) << "Message 1";
1025 SleepForMilliseconds(60);
1026 LOG(ERROR) << "Message 2";
1027 SleepForMilliseconds(60);
1028 LOG(WARNING) << "Message 3";
1029 SleepForMilliseconds(60);
1031 for (size_t i = 0; i < global_messages.size(); ++i) {
1032 LOG(INFO) << "Sink capture: " << global_messages[i];
1034 CHECK_EQ(global_messages.size(), 3UL);
1037 TEST(Strerror, logging) {
1038 int errcode = EINTR;
1039 char *msg = strdup(strerror(errcode));
1040 const size_t buf_size = strlen(msg) + 1;
1041 char *buf = new char[buf_size];
1042 CHECK_EQ(posix_strerror_r(errcode, NULL, 0), -1);
1044 CHECK_EQ(posix_strerror_r(errcode, buf, 0), -1);
1045 CHECK_EQ(buf[0], 'A');
1046 CHECK_EQ(posix_strerror_r(errcode, NULL, buf_size), -1);
1047 #if defined(OS_MACOSX) || defined(OS_FREEBSD) || defined(OS_OPENBSD)
1048 // MacOSX or FreeBSD considers this case is an error since there is
1050 CHECK_EQ(posix_strerror_r(errcode, buf, 1), -1);
1052 CHECK_EQ(posix_strerror_r(errcode, buf, 1), 0);
1054 CHECK_STREQ(buf, "");
1055 CHECK_EQ(posix_strerror_r(errcode, buf, buf_size), 0);
1056 CHECK_STREQ(buf, msg);
1061 // Simple routines to look at the sizes of generated code for LOG(FATAL) and
1062 // CHECK(..) via objdump
1064 LOG(FATAL) << "Failed";
1066 void MyCheck(bool a, bool b) {
1070 #ifdef HAVE_LIB_GMOCK
1072 TEST(DVLog, Basic) {
1076 // We are expecting that nothing is logged.
1077 EXPECT_CALL(log, Log(_, _, _)).Times(0);
1079 EXPECT_CALL(log, Log(INFO, __FILE__, "debug log"));
1083 DVLOG(1) << "debug log";
1089 // We are expecting that nothing is logged.
1090 EXPECT_CALL(log, Log(_, _, _)).Times(0);
1093 DVLOG(1) << "debug log";
1096 TEST(LogAtLevel, Basic) {
1099 // The function version outputs "logging.h" as a file name.
1100 EXPECT_CALL(log, Log(WARNING, StrNe(__FILE__), "function version"));
1101 EXPECT_CALL(log, Log(INFO, __FILE__, "macro version"));
1103 int severity = WARNING;
1104 LogAtLevel(severity, "function version");
1107 // We can use the macro version as a C++ stream.
1108 LOG_AT_LEVEL(severity) << "macro" << ' ' << "version";
1111 TEST(TestExitOnDFatal, ToBeOrNotToBe) {
1112 // Check the default setting...
1113 EXPECT_TRUE(base::internal::GetExitOnDFatal());
1116 base::internal::SetExitOnDFatal(false);
1117 EXPECT_FALSE(base::internal::GetExitOnDFatal());
1122 //EXPECT_CALL(log, Log(_, _, _)).Times(AnyNumber());
1123 // LOG(DFATAL) has severity FATAL if debugging, but is
1124 // downgraded to ERROR if not debugging.
1125 const LogSeverity severity =
1131 EXPECT_CALL(log, Log(severity, __FILE__, "This should not be fatal"));
1132 LOG(DFATAL) << "This should not be fatal";
1136 base::internal::SetExitOnDFatal(true);
1137 EXPECT_TRUE(base::internal::GetExitOnDFatal());
1139 #ifdef GTEST_HAS_DEATH_TEST
1140 // Death comes on little cats' feet.
1141 EXPECT_DEBUG_DEATH({
1142 LOG(DFATAL) << "This should be fatal in debug mode";
1143 }, "This should be fatal in debug mode");
1147 #ifdef HAVE_STACKTRACE
1149 static void BacktraceAtHelper() {
1150 LOG(INFO) << "Not me";
1152 // The vertical spacing of the next 3 lines is significant.
1153 LOG(INFO) << "Backtrace me";
1155 static int kBacktraceAtLine = __LINE__ - 2; // The line of the LOG(INFO) above
1157 TEST(LogBacktraceAt, DoesNotBacktraceWhenDisabled) {
1158 StrictMock<ScopedMockLog> log;
1160 FLAGS_log_backtrace_at = "";
1162 EXPECT_CALL(log, Log(_, _, "Backtrace me"));
1163 EXPECT_CALL(log, Log(_, _, "Not me"));
1165 BacktraceAtHelper();
1168 TEST(LogBacktraceAt, DoesBacktraceAtRightLineWhenEnabled) {
1169 StrictMock<ScopedMockLog> log;
1172 snprintf(where, 100, "%s:%d", const_basename(__FILE__), kBacktraceAtLine);
1173 FLAGS_log_backtrace_at = where;
1175 // The LOG at the specified line should include a stacktrace which includes
1176 // the name of the containing function, followed by the log message.
1177 // We use HasSubstr()s instead of ContainsRegex() for environments
1178 // which don't have regexp.
1179 EXPECT_CALL(log, Log(_, _, AllOf(HasSubstr("stacktrace:"),
1180 HasSubstr("BacktraceAtHelper"),
1182 HasSubstr("Backtrace me"))));
1183 // Other LOGs should not include a backtrace.
1184 EXPECT_CALL(log, Log(_, _, "Not me"));
1186 BacktraceAtHelper();
1189 #endif // HAVE_STACKTRACE
1191 #endif // HAVE_LIB_GMOCK
1193 struct UserDefinedClass {
1194 bool operator==(const UserDefinedClass&) const { return true; }
1197 inline ostream& operator<<(ostream& out, const UserDefinedClass&) {
1202 TEST(UserDefinedClass, logging) {
1205 LOG_STRING(INFO, &buf) << u;
1206 CHECK_EQ(1UL, buf.size());
1207 CHECK(buf[0].find("OK") != string::npos);
1209 // We must be able to compile this.