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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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 a, int b, const char* file, int line, const char* msg) {
161 static void BM_logspeed(int n) {
163 LOG(INFO) << "test message";
166 BENCHMARK(BM_logspeed);
168 static void BM_vlog(int n) {
170 VLOG(1) << "test message";
175 int main(int argc, char **argv) {
176 #ifdef HAVE_LIB_GFLAGS
177 ParseCommandLineFlags(&argc, &argv, true);
180 // Test some basics before InitGoogleLogging:
182 LogWithLevels(FLAGS_v, FLAGS_stderrthreshold,
183 FLAGS_logtostderr, FLAGS_alsologtostderr);
184 LogWithLevels(0, 0, 0, 0); // simulate "before global c-tors"
185 const string early_stderr = GetCapturedTestStderr();
187 InitGoogleLogging(argv[0]);
189 RunSpecifiedBenchmarks();
191 FLAGS_logtostderr = true;
193 InitGoogleTest(&argc, argv);
194 #ifdef HAVE_LIB_GMOCK
195 InitGoogleMock(&argc, argv);
198 // so that death tests run before we use threads
199 CHECK_EQ(RUN_ALL_TESTS(), 0);
203 // re-emit early_stderr
204 LogMessage("dummy", LogMessage::kNoLogPrefix, INFO).stream() << early_stderr;
212 TestLogSinkWaitTillSent();
217 // TODO: The golden test portion of this test is very flakey.
219 MungeAndDiffTestStderr(FLAGS_test_srcdir + "/src/logging_unittest.err"));
221 FLAGS_logtostderr = false;
230 fprintf(stdout, "PASS\n");
234 void TestLogging(bool check_counts) {
235 int64 base_num_infos = LogMessage::num_messages(INFO);
236 int64 base_num_warning = LogMessage::num_messages(WARNING);
237 int64 base_num_errors = LogMessage::num_messages(ERROR);
239 LOG(INFO) << string("foo ") << "bar " << 10 << ' ' << 3.4;
240 for ( int i = 0; i < 10; ++i ) {
241 int old_errno = errno;
243 PLOG_EVERY_N(ERROR, 2) << "Plog every 2, iteration " << COUNTER;
246 LOG_EVERY_N(ERROR, 3) << "Log every 3, iteration " << COUNTER << endl;
247 LOG_EVERY_N(ERROR, 4) << "Log every 4, iteration " << COUNTER << endl;
249 LOG_IF_EVERY_N(WARNING, true, 5) << "Log if every 5, iteration " << COUNTER;
250 LOG_IF_EVERY_N(WARNING, false, 3)
251 << "Log if every 3, iteration " << COUNTER;
252 LOG_IF_EVERY_N(INFO, true, 1) << "Log if every 1, iteration " << COUNTER;
253 LOG_IF_EVERY_N(ERROR, (i < 3), 2)
254 << "Log if less than 3 every 2, iteration " << COUNTER;
256 LOG_IF(WARNING, true) << "log_if this";
257 LOG_IF(WARNING, false) << "don't log_if this";
261 const char const_s[] = "const array";
262 LOG(INFO) << const_s;
264 LOG(ERROR) << string("foo") << ' '<< j << ' ' << setw(10) << j << " "
265 << setw(1) << hex << j;
267 LogMessage("foo", LogMessage::kNoLogPrefix, INFO).stream() << "no prefix";
270 CHECK_EQ(base_num_infos + 14, LogMessage::num_messages(INFO));
271 CHECK_EQ(base_num_warning + 3, LogMessage::num_messages(WARNING));
272 CHECK_EQ(base_num_errors + 15, LogMessage::num_messages(ERROR));
276 static void NoAllocNewHook() {
277 CHECK(false) << "unexpected new";
282 g_new_hook = &NoAllocNewHook;
289 TEST(DeathNoAllocNewHook, logging) {
290 // tests that NewHook used below works
294 }, "unexpected new");
297 void TestRawLogging() {
298 string* foo = new string("foo ");
299 string huge_str(50000, 'a');
303 // Check that RAW loggging does not use mallocs.
306 RAW_LOG(INFO, "%s%s%d%c%f", foo->c_str(), "bar ", 10, ' ', 3.4);
308 RAW_LOG(WARNING, "%s", s);
309 const char const_s[] = "const array";
310 RAW_LOG(INFO, "%s", const_s);
311 void* p = reinterpret_cast<void*>(0x12345678);
312 RAW_LOG(INFO, "ptr %p", p);
314 RAW_LOG(INFO, "ptr %p", p);
316 RAW_LOG(ERROR, "%s%d%c%010d%s%1x", foo->c_str(), j, ' ', j, " ", j);
317 RAW_VLOG(0, "foo %d", j);
320 RAW_LOG(INFO, "foo %d", j); // so that have same stderr to compare
322 RAW_DLOG(INFO, "foo %d", j); // test RAW_DLOG in debug mode
325 // test how long messages are chopped:
326 RAW_LOG(WARNING, "Huge string: %s", huge_str.c_str());
327 RAW_VLOG(0, "Huge string: %s", huge_str.c_str());
330 RAW_LOG(INFO, "log");
331 RAW_VLOG(0, "vlog 0 on");
332 RAW_VLOG(1, "vlog 1 off");
333 RAW_VLOG(2, "vlog 2 off");
334 RAW_VLOG(3, "vlog 3 off");
336 RAW_LOG(INFO, "log");
337 RAW_VLOG(1, "vlog 1 on");
338 RAW_VLOG(2, "vlog 2 on");
339 RAW_VLOG(3, "vlog 3 off");
342 RAW_DCHECK(1 == 2, " RAW_DCHECK's shouldn't be compiled in normal mode");
345 RAW_CHECK(1 == 1, "should be ok");
346 RAW_DCHECK(true, "should be ok");
351 void LogWithLevels(int v, int severity, bool err, bool alsoerr) {
353 "Test: v=%d stderrthreshold=%d logtostderr=%d alsologtostderr=%d",
354 v, severity, err, alsoerr);
359 FLAGS_stderrthreshold = severity;
360 FLAGS_logtostderr = err;
361 FLAGS_alsologtostderr = alsoerr;
363 RAW_VLOG(-1, "vlog -1");
364 RAW_VLOG(0, "vlog 0");
365 RAW_VLOG(1, "vlog 1");
366 RAW_LOG(INFO, "log info");
367 RAW_LOG(WARNING, "log warning");
368 RAW_LOG(ERROR, "log error");
370 VLOG(-1) << "vlog -1";
373 LOG(INFO) << "log info";
374 LOG(WARNING) << "log warning";
375 LOG(ERROR) << "log error";
377 VLOG_IF(-1, true) << "vlog_if -1";
378 VLOG_IF(-1, false) << "don't vlog_if -1";
379 VLOG_IF(0, true) << "vlog_if 0";
380 VLOG_IF(0, false) << "don't vlog_if 0";
381 VLOG_IF(1, true) << "vlog_if 1";
382 VLOG_IF(1, false) << "don't vlog_if 1";
383 LOG_IF(INFO, true) << "log_if info";
384 LOG_IF(INFO, false) << "don't log_if info";
385 LOG_IF(WARNING, true) << "log_if warning";
386 LOG_IF(WARNING, false) << "don't log_if warning";
387 LOG_IF(ERROR, true) << "log_if error";
388 LOG_IF(ERROR, false) << "don't log_if error";
391 c = 1; VLOG_IF(100, c -= 2) << "vlog_if 100 expr"; EXPECT_EQ(c, -1);
392 c = 1; VLOG_IF(0, c -= 2) << "vlog_if 0 expr"; EXPECT_EQ(c, -1);
393 c = 1; LOG_IF(INFO, c -= 2) << "log_if info expr"; EXPECT_EQ(c, -1);
394 c = 1; LOG_IF(ERROR, c -= 2) << "log_if error expr"; EXPECT_EQ(c, -1);
395 c = 2; VLOG_IF(0, c -= 2) << "don't vlog_if 0 expr"; EXPECT_EQ(c, 0);
396 c = 2; LOG_IF(ERROR, c -= 2) << "don't log_if error expr"; EXPECT_EQ(c, 0);
398 c = 3; LOG_IF_EVERY_N(INFO, c -= 4, 1) << "log_if info every 1 expr";
400 c = 3; LOG_IF_EVERY_N(ERROR, c -= 4, 1) << "log_if error every 1 expr";
402 c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if info every 3 expr";
404 c = 4; LOG_IF_EVERY_N(ERROR, c -= 4, 3) << "don't log_if error every 3 expr";
406 c = 5; VLOG_IF_EVERY_N(0, c -= 4, 1) << "vlog_if 0 every 1 expr";
408 c = 5; VLOG_IF_EVERY_N(100, c -= 4, 3) << "vlog_if 100 every 3 expr";
410 c = 6; VLOG_IF_EVERY_N(0, c -= 6, 1) << "don't vlog_if 0 every 1 expr";
412 c = 6; VLOG_IF_EVERY_N(100, c -= 6, 3) << "don't vlog_if 100 every 1 expr";
416 void TestLoggingLevels() {
417 LogWithLevels(0, INFO, false, false);
418 LogWithLevels(1, INFO, false, false);
419 LogWithLevels(-1, INFO, false, false);
420 LogWithLevels(0, WARNING, false, false);
421 LogWithLevels(0, ERROR, false, false);
422 LogWithLevels(0, FATAL, false, false);
423 LogWithLevels(0, FATAL, true, false);
424 LogWithLevels(0, FATAL, false, true);
425 LogWithLevels(1, WARNING, false, false);
426 LogWithLevels(1, FATAL, false, true);
429 TEST(DeathRawCHECK, logging) {
430 ASSERT_DEATH(RAW_CHECK(false, "failure 1"),
431 "RAW: Check false failed: failure 1");
432 ASSERT_DEBUG_DEATH(RAW_DCHECK(1 == 2, "failure 2"),
433 "RAW: Check 1 == 2 failed: failure 2");
436 void TestLogString() {
437 vector<string> errors;
438 vector<string> *no_errors = NULL;
440 LOG_STRING(INFO, &errors) << "LOG_STRING: " << "collected info";
441 LOG_STRING(WARNING, &errors) << "LOG_STRING: " << "collected warning";
442 LOG_STRING(ERROR, &errors) << "LOG_STRING: " << "collected error";
444 LOG_STRING(INFO, no_errors) << "LOG_STRING: " << "reported info";
445 LOG_STRING(WARNING, no_errors) << "LOG_STRING: " << "reported warning";
446 LOG_STRING(ERROR, NULL) << "LOG_STRING: " << "reported error";
448 for (size_t i = 0; i < errors.size(); ++i) {
449 LOG(INFO) << "Captured by LOG_STRING: " << errors[i];
453 void TestLogToString() {
455 string* no_error = NULL;
457 LOG_TO_STRING(INFO, &error) << "LOG_TO_STRING: " << "collected info";
458 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
459 LOG_TO_STRING(WARNING, &error) << "LOG_TO_STRING: " << "collected warning";
460 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
461 LOG_TO_STRING(ERROR, &error) << "LOG_TO_STRING: " << "collected error";
462 LOG(INFO) << "Captured by LOG_TO_STRING: " << error;
464 LOG_TO_STRING(INFO, no_error) << "LOG_TO_STRING: " << "reported info";
465 LOG_TO_STRING(WARNING, no_error) << "LOG_TO_STRING: " << "reported warning";
466 LOG_TO_STRING(ERROR, NULL) << "LOG_TO_STRING: " << "reported error";
469 class TestLogSinkImpl : public LogSink {
471 vector<string> errors;
472 virtual void send(LogSeverity severity, const char* full_filename,
473 const char* base_filename, int line,
474 const struct tm* tm_time,
475 const char* message, size_t message_len) {
477 ToString(severity, base_filename, line, tm_time, message, message_len));
482 TestLogSinkImpl sink;
483 LogSink *no_sink = NULL;
485 LOG_TO_SINK(&sink, INFO) << "LOG_TO_SINK: " << "collected info";
486 LOG_TO_SINK(&sink, WARNING) << "LOG_TO_SINK: " << "collected warning";
487 LOG_TO_SINK(&sink, ERROR) << "LOG_TO_SINK: " << "collected error";
489 LOG_TO_SINK(no_sink, INFO) << "LOG_TO_SINK: " << "reported info";
490 LOG_TO_SINK(no_sink, WARNING) << "LOG_TO_SINK: " << "reported warning";
491 LOG_TO_SINK(NULL, ERROR) << "LOG_TO_SINK: " << "reported error";
493 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, INFO)
494 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected info";
495 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, WARNING)
496 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected warning";
497 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(&sink, ERROR)
498 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "collected error";
500 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, INFO)
501 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed info";
502 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(no_sink, WARNING)
503 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed warning";
504 LOG_TO_SINK_BUT_NOT_TO_LOGFILE(NULL, ERROR)
505 << "LOG_TO_SINK_BUT_NOT_TO_LOGFILE: " << "thrashed error";
507 LOG(INFO) << "Captured by LOG_TO_SINK:";
508 for (size_t i = 0; i < sink.errors.size(); ++i) {
509 LogMessage("foo", LogMessage::kNoLogPrefix, INFO).stream()
514 // For testing using CHECK*() on anonymous enums.
521 // Tests using CHECK*() on int values.
532 // Tests using CHECK*() on anonymous enums.
533 // Apple's GCC doesn't like this.
534 #if !defined(OS_MACOSX)
535 CHECK_EQ(CASE_A, CASE_A);
536 CHECK_NE(CASE_A, CASE_B);
537 CHECK_GE(CASE_A, CASE_A);
538 CHECK_GE(CASE_B, CASE_A);
539 CHECK_LE(CASE_A, CASE_A);
540 CHECK_LE(CASE_A, CASE_B);
541 CHECK_GT(CASE_B, CASE_A);
542 CHECK_LT(CASE_A, CASE_B);
548 DCHECK( 1 == 2 ) << " DCHECK's shouldn't be compiled in normal mode";
560 auto_ptr<int64> sptr(new int64);
561 int64* ptr = DCHECK_NOTNULL(sptr.get());
562 CHECK_EQ(ptr, sptr.get());
566 CHECK_STREQ("this", "this");
567 CHECK_STREQ(NULL, NULL);
568 CHECK_STRCASEEQ("this", "tHiS");
569 CHECK_STRCASEEQ(NULL, NULL);
570 CHECK_STRNE("this", "tHiS");
571 CHECK_STRNE("this", NULL);
572 CHECK_STRCASENE("this", "that");
573 CHECK_STRCASENE(NULL, "that");
574 CHECK_STREQ((string("a")+"b").c_str(), "ab");
575 CHECK_STREQ(string("test").c_str(),
576 (string("te") + string("st")).c_str());
579 TEST(DeathSTREQ, logging) {
580 ASSERT_DEATH(CHECK_STREQ(NULL, "this"), "");
581 ASSERT_DEATH(CHECK_STREQ("this", "siht"), "");
582 ASSERT_DEATH(CHECK_STRCASEEQ(NULL, "siht"), "");
583 ASSERT_DEATH(CHECK_STRCASEEQ("this", "siht"), "");
584 ASSERT_DEATH(CHECK_STRNE(NULL, NULL), "");
585 ASSERT_DEATH(CHECK_STRNE("this", "this"), "");
586 ASSERT_DEATH(CHECK_STREQ((string("a")+"b").c_str(), "abc"), "");
589 TEST(CheckNOTNULL, Simple) {
591 void *ptr = static_cast<void *>(&t);
592 void *ref = CHECK_NOTNULL(ptr);
594 CHECK_NOTNULL(reinterpret_cast<char *>(ptr));
595 CHECK_NOTNULL(reinterpret_cast<unsigned char *>(ptr));
596 CHECK_NOTNULL(reinterpret_cast<int *>(ptr));
597 CHECK_NOTNULL(reinterpret_cast<int64 *>(ptr));
600 TEST(DeathCheckNN, Simple) {
601 ASSERT_DEATH(CHECK_NOTNULL(static_cast<void *>(NULL)), "");
604 // Get list of file names that match pattern
605 static void GetFiles(const string& pattern, vector<string>* files) {
607 #if defined(HAVE_GLOB_H)
609 const int r = glob(pattern.c_str(), 0, NULL, &g);
610 CHECK((r == 0) || (r == GLOB_NOMATCH)) << ": error matching " << pattern;
611 for (int i = 0; i < g.gl_pathc; i++) {
612 files->push_back(string(g.gl_pathv[i]));
615 #elif defined(OS_WINDOWS)
616 WIN32_FIND_DATAA data;
617 HANDLE handle = FindFirstFileA(pattern.c_str(), &data);
618 size_t index = pattern.rfind('\\');
619 if (index == string::npos) {
620 LOG(FATAL) << "No directory separator.";
622 const string dirname = pattern.substr(0, index + 1);
623 if (FAILED(handle)) {
624 // Finding no files is OK.
628 files->push_back(dirname + data.cFileName);
629 } while (FindNextFileA(handle, &data));
630 LOG_SYSRESULT(FindClose(handle));
632 # error There is no way to do glob.
636 // Delete files patching pattern
637 static void DeleteFiles(const string& pattern) {
638 vector<string> files;
639 GetFiles(pattern, &files);
640 for (size_t i = 0; i < files.size(); i++) {
641 CHECK(unlink(files[i].c_str()) == 0) << ": " << strerror(errno);
645 static void CheckFile(const string& name, const string& expected_string) {
646 vector<string> files;
647 GetFiles(name + "*", &files);
648 CHECK_EQ(files.size(), 1);
650 FILE* file = fopen(files[0].c_str(), "r");
651 CHECK(file != NULL) << ": could not open " << files[0];
653 while (fgets(buf, sizeof(buf), file) != NULL) {
654 if (strstr(buf, expected_string.c_str()) != NULL) {
660 LOG(FATAL) << "Did not find " << expected_string << " in " << files[0];
663 static void TestBasename() {
664 fprintf(stderr, "==== Test setting log file basename\n");
665 const string dest = FLAGS_test_tmpdir + "/logging_test_basename";
666 DeleteFiles(dest + "*");
668 SetLogDestination(INFO, dest.c_str());
669 LOG(INFO) << "message to new base";
672 CheckFile(dest, "message to new base");
674 // Release file handle for the destination file to unlock the file in Windows.
676 DeleteFiles(dest + "*");
679 static void TestSymlink() {
681 fprintf(stderr, "==== Test setting log file symlink\n");
682 string dest = FLAGS_test_tmpdir + "/logging_test_symlink";
683 string sym = FLAGS_test_tmpdir + "/symlinkbase";
684 DeleteFiles(dest + "*");
685 DeleteFiles(sym + "*");
687 SetLogSymlink(INFO, "symlinkbase");
688 SetLogDestination(INFO, dest.c_str());
689 LOG(INFO) << "message to new symlink";
691 CheckFile(sym, "message to new symlink");
693 DeleteFiles(dest + "*");
694 DeleteFiles(sym + "*");
698 static void TestExtension() {
699 fprintf(stderr, "==== Test setting log file extension\n");
700 string dest = FLAGS_test_tmpdir + "/logging_test_extension";
701 DeleteFiles(dest + "*");
703 SetLogDestination(INFO, dest.c_str());
704 SetLogFilenameExtension("specialextension");
705 LOG(INFO) << "message to new extension";
707 CheckFile(dest, "message to new extension");
709 // Check that file name ends with extension
710 vector<string> filenames;
711 GetFiles(dest + "*", &filenames);
712 CHECK_EQ(filenames.size(), 1);
713 CHECK(strstr(filenames[0].c_str(), "specialextension") != NULL);
715 // Release file handle for the destination file to unlock the file in Windows.
717 DeleteFiles(dest + "*");
720 struct MyLogger : public base::Logger {
723 virtual void Write(bool should_flush,
727 data.append(message, length);
730 virtual void Flush() { }
732 virtual uint32 LogSize() { return data.length(); }
735 static void TestWrapper() {
736 fprintf(stderr, "==== Test log wrapper\n");
739 base::Logger* old_logger = base::GetLogger(INFO);
740 base::SetLogger(INFO, &my_logger);
741 LOG(INFO) << "Send to wrapped logger";
743 base::SetLogger(INFO, old_logger);
745 CHECK(strstr(my_logger.data.c_str(), "Send to wrapped logger") != NULL);
748 static void TestErrno() {
749 fprintf(stderr, "==== Test errno preservation\n");
753 CHECK_EQ(errno, ENOENT);
756 static void TestOneTruncate(const char *path, int64 limit, int64 keep,
757 int64 dsize, int64 ksize, int64 expect) {
759 CHECK_ERR(fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0600));
761 const char *discardstr = "DISCARDME!", *keepstr = "KEEPME!";
763 // Fill the file with the requested data; first discard data, then kept data
765 while (written < dsize) {
766 int bytes = min<int64>(dsize - written, strlen(discardstr));
767 CHECK_ERR(write(fd, discardstr, bytes));
771 while (written < ksize) {
772 int bytes = min<int64>(ksize - written, strlen(keepstr));
773 CHECK_ERR(write(fd, keepstr, bytes));
777 TruncateLogFile(path, limit, keep);
779 // File should now be shorter
781 CHECK_ERR(fstat(fd, &statbuf));
782 CHECK_EQ(statbuf.st_size, expect);
783 CHECK_ERR(lseek(fd, 0, SEEK_SET));
785 // File should contain the suffix of the original file
786 int buf_size = statbuf.st_size + 1;
787 char* buf = new char[buf_size];
788 memset(buf, 0, sizeof(buf));
789 CHECK_ERR(read(fd, buf, buf_size));
793 while (checked < expect) {
794 int bytes = min<int64>(expect - checked, strlen(keepstr));
795 CHECK(!memcmp(p, keepstr, bytes));
802 static void TestTruncate() {
804 fprintf(stderr, "==== Test log truncation\n");
805 string path = FLAGS_test_tmpdir + "/truncatefile";
807 // Test on a small file
808 TestOneTruncate(path.c_str(), 10, 10, 10, 10, 10);
810 // And a big file (multiple blocks to copy)
811 TestOneTruncate(path.c_str(), 2<<20, 4<<10, 3<<20, 4<<10, 4<<10);
813 // Check edge-case limits
814 TestOneTruncate(path.c_str(), 10, 20, 0, 20, 20);
815 TestOneTruncate(path.c_str(), 10, 0, 0, 0, 0);
816 TestOneTruncate(path.c_str(), 10, 50, 0, 10, 10);
817 TestOneTruncate(path.c_str(), 50, 100, 0, 30, 30);
819 // MacOSX 10.4 doesn't fail in this case.
820 // Windows doesn't have symlink.
821 // Let's just ignore this test for these cases.
822 #if !defined(OS_MACOSX) && !defined(OS_WINDOWS)
823 // Through a symlink should fail to truncate
824 string linkname = path + ".link";
825 unlink(linkname.c_str());
826 CHECK_ERR(symlink(path.c_str(), linkname.c_str()));
827 TestOneTruncate(linkname.c_str(), 10, 10, 0, 30, 30);
830 // The /proc/self path makes sense only for linux.
831 #if defined(OS_LINUX)
832 // Through an open fd symlink should work
834 CHECK_ERR(fd = open(path.c_str(), O_APPEND | O_WRONLY));
836 snprintf(fdpath, sizeof(fdpath), "/proc/self/fd/%d", fd);
837 TestOneTruncate(fdpath, 10, 10, 10, 10, 10);
843 _START_GOOGLE_NAMESPACE_
844 namespace glog_internal_namespace_ {
845 extern // in logging.cc
846 bool SafeFNMatch_(const char* pattern, size_t patt_len,
847 const char* str, size_t str_len);
848 } // namespace glog_internal_namespace_
849 using glog_internal_namespace_::SafeFNMatch_;
850 _END_GOOGLE_NAMESPACE_
852 static bool WrapSafeFNMatch(string pattern, string str) {
855 return SafeFNMatch_(pattern.data(), pattern.size() - 3,
856 str.data(), str.size() - 5);
859 TEST(SafeFNMatch, logging) {
860 CHECK(WrapSafeFNMatch("foo", "foo"));
861 CHECK(!WrapSafeFNMatch("foo", "bar"));
862 CHECK(!WrapSafeFNMatch("foo", "fo"));
863 CHECK(!WrapSafeFNMatch("foo", "foo2"));
864 CHECK(WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext"));
865 CHECK(WrapSafeFNMatch("*ba*r/fo*o.ext*", "bar/foo.ext"));
866 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/baz.ext"));
867 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo"));
868 CHECK(!WrapSafeFNMatch("bar/foo.ext", "bar/foo.ext.zip"));
869 CHECK(WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext"));
870 CHECK(WrapSafeFNMatch("ba?/*.ext", "baZ/FOO.ext"));
871 CHECK(!WrapSafeFNMatch("ba?/*.ext", "barr/foo.ext"));
872 CHECK(!WrapSafeFNMatch("ba?/*.ext", "bar/foo.ext2"));
873 CHECK(WrapSafeFNMatch("ba?/*", "bar/foo.ext2"));
874 CHECK(WrapSafeFNMatch("ba?/*", "bar/"));
875 CHECK(!WrapSafeFNMatch("ba?/?", "bar/"));
876 CHECK(!WrapSafeFNMatch("ba?/*", "bar"));
879 // TestWaitingLogSink will save messages here
880 // No lock: Accessed only by TestLogSinkWriter thread
881 // and after its demise by its creator.
882 static vector<string> global_messages;
884 // helper for TestWaitingLogSink below.
885 // Thread that does the logic of TestWaitingLogSink
886 // It's free to use LOG() itself.
887 class TestLogSinkWriter : public Thread {
890 TestLogSinkWriter() : should_exit_(false) {
895 // Just buffer it (can't use LOG() here).
896 void Buffer(const string& message) {
898 RAW_LOG(INFO, "Buffering");
899 messages_.push(message);
901 RAW_LOG(INFO, "Buffered");
904 // Wait for the buffer to clear (can't use LOG() here).
906 RAW_LOG(INFO, "Waiting");
910 SleepForMilliseconds(1);
913 RAW_LOG(INFO, "Waited");
917 // Trigger thread exit.
919 MutexLock l(&mutex_);
925 // helpers ---------------
927 // For creating a "Condition".
928 bool NoWork() { return messages_.empty(); }
929 bool HaveWork() { return !messages_.empty() || should_exit_; }
931 // Thread body; CAN use LOG() here!
935 while (!HaveWork()) {
937 SleepForMilliseconds(1);
940 if (should_exit_ && messages_.empty()) {
944 // Give the main thread time to log its message,
945 // so that we get a reliable log capture to compare to golden file.
946 // Same for the other sleep below.
947 SleepForMilliseconds(20);
948 RAW_LOG(INFO, "Sink got a messages"); // only RAW_LOG under mutex_ here
949 string message = messages_.front();
951 // Normally this would be some more real/involved logging logic
952 // where LOG() usage can't be eliminated,
953 // e.g. pushing the message over with an RPC:
954 int messages_left = messages_.size();
956 SleepForMilliseconds(20);
957 // May not use LOG while holding mutex_, because Buffer()
958 // acquires mutex_, and Buffer is called from LOG(),
959 // which has its own internal mutex:
960 // LOG()->LogToSinks()->TestWaitingLogSink::send()->Buffer()
961 LOG(INFO) << "Sink is sending out a message: " << message;
962 LOG(INFO) << "Have " << messages_left << " left";
963 global_messages.push_back(message);
967 // data ---------------
971 queue<string> messages_; // messages to be logged
974 // A log sink that exercises WaitTillSent:
975 // it pushes data to a buffer and wakes up another thread to do the logging
976 // (that other thread can than use LOG() itself),
977 class TestWaitingLogSink : public LogSink {
980 TestWaitingLogSink() {
981 tid_ = pthread_self(); // for thread-specific behavior
984 ~TestWaitingLogSink() {
990 // (re)define LogSink interface
992 virtual void send(LogSeverity severity, const char* full_filename,
993 const char* base_filename, int line,
994 const struct tm* tm_time,
995 const char* message, size_t message_len) {
996 // Push it to Writer thread if we are the original logging thread.
997 // Note: Something like ThreadLocalLogSink is a better choice
998 // to do thread-specific LogSink logic for real.
999 if (pthread_equal(tid_, pthread_self())) {
1000 writer_.Buffer(ToString(severity, base_filename, line,
1001 tm_time, message, message_len));
1004 virtual void WaitTillSent() {
1005 // Wait for Writer thread if we are the original logging thread.
1006 if (pthread_equal(tid_, pthread_self())) writer_.Wait();
1012 TestLogSinkWriter writer_;
1015 // Check that LogSink::WaitTillSent can be used in the advertised way.
1016 // We also do golden-stderr comparison.
1017 static void TestLogSinkWaitTillSent() {
1018 { TestWaitingLogSink sink;
1019 // Sleeps give the sink threads time to do all their work,
1020 // so that we get a reliable log capture to compare to the golden file.
1021 LOG(INFO) << "Message 1";
1022 SleepForMilliseconds(60);
1023 LOG(ERROR) << "Message 2";
1024 SleepForMilliseconds(60);
1025 LOG(WARNING) << "Message 3";
1026 SleepForMilliseconds(60);
1028 for (size_t i = 0; i < global_messages.size(); ++i) {
1029 LOG(INFO) << "Sink capture: " << global_messages[i];
1031 CHECK_EQ(global_messages.size(), 3);
1034 TEST(Strerror, logging) {
1035 int errcode = EINTR;
1036 char *msg = strdup(strerror(errcode));
1037 int buf_size = strlen(msg) + 1;
1038 char *buf = new char[buf_size];
1039 CHECK_EQ(posix_strerror_r(errcode, NULL, 0), -1);
1041 CHECK_EQ(posix_strerror_r(errcode, buf, 0), -1);
1042 CHECK_EQ(buf[0], 'A');
1043 CHECK_EQ(posix_strerror_r(errcode, NULL, buf_size), -1);
1044 #if defined(OS_MACOSX) || defined(OS_FREEBSD) || defined(OS_OPENBSD)
1045 // MacOSX or FreeBSD considers this case is an error since there is
1047 CHECK_EQ(posix_strerror_r(errcode, buf, 1), -1);
1049 CHECK_EQ(posix_strerror_r(errcode, buf, 1), 0);
1051 CHECK_STREQ(buf, "");
1052 CHECK_EQ(posix_strerror_r(errcode, buf, buf_size), 0);
1053 CHECK_STREQ(buf, msg);
1058 // Simple routines to look at the sizes of generated code for LOG(FATAL) and
1059 // CHECK(..) via objdump
1061 LOG(FATAL) << "Failed";
1063 void MyCheck(bool a, bool b) {
1067 #ifdef HAVE_LIB_GMOCK
1069 TEST(DVLog, Basic) {
1073 // We are expecting that nothing is logged.
1074 EXPECT_CALL(log, Log(_, _, _)).Times(0);
1076 EXPECT_CALL(log, Log(INFO, __FILE__, "debug log"));
1080 DVLOG(1) << "debug log";
1086 // We are expecting that nothing is logged.
1087 EXPECT_CALL(log, Log(_, _, _)).Times(0);
1090 DVLOG(1) << "debug log";
1093 TEST(LogAtLevel, Basic) {
1096 // The function version outputs "logging.h" as a file name.
1097 EXPECT_CALL(log, Log(WARNING, StrNe(__FILE__), "function version"));
1098 EXPECT_CALL(log, Log(INFO, __FILE__, "macro version"));
1100 int severity = WARNING;
1101 LogAtLevel(severity, "function version");
1104 // We can use the macro version as a C++ stream.
1105 LOG_AT_LEVEL(severity) << "macro" << ' ' << "version";
1108 TEST(TestExitOnDFatal, ToBeOrNotToBe) {
1109 // Check the default setting...
1110 EXPECT_TRUE(base::internal::GetExitOnDFatal());
1113 base::internal::SetExitOnDFatal(false);
1114 EXPECT_FALSE(base::internal::GetExitOnDFatal());
1119 //EXPECT_CALL(log, Log(_, _, _)).Times(AnyNumber());
1120 // LOG(DFATAL) has severity FATAL if debugging, but is
1121 // downgraded to ERROR if not debugging.
1122 const LogSeverity severity =
1128 EXPECT_CALL(log, Log(severity, __FILE__, "This should not be fatal"));
1129 LOG(DFATAL) << "This should not be fatal";
1133 base::internal::SetExitOnDFatal(true);
1134 EXPECT_TRUE(base::internal::GetExitOnDFatal());
1136 #ifdef GTEST_HAS_DEATH_TEST
1137 // Death comes on little cats' feet.
1138 EXPECT_DEBUG_DEATH({
1139 LOG(DFATAL) << "This should be fatal in debug mode";
1140 }, "This should be fatal in debug mode");
1144 #ifdef HAVE_STACKTRACE
1146 static void BacktraceAtHelper() {
1147 LOG(INFO) << "Not me";
1149 // The vertical spacing of the next 3 lines is significant.
1150 LOG(INFO) << "Backtrace me";
1152 static int kBacktraceAtLine = __LINE__ - 2; // The line of the LOG(INFO) above
1154 TEST(LogBacktraceAt, DoesNotBacktraceWhenDisabled) {
1155 StrictMock<ScopedMockLog> log;
1157 FLAGS_log_backtrace_at = "";
1159 EXPECT_CALL(log, Log(_, _, "Backtrace me"));
1160 EXPECT_CALL(log, Log(_, _, "Not me"));
1162 BacktraceAtHelper();
1165 TEST(LogBacktraceAt, DoesBacktraceAtRightLineWhenEnabled) {
1166 StrictMock<ScopedMockLog> log;
1169 snprintf(where, 100, "%s:%d", const_basename(__FILE__), kBacktraceAtLine);
1170 FLAGS_log_backtrace_at = where;
1172 // The LOG at the specified line should include a stacktrace which includes
1173 // the name of the containing function, followed by the log message.
1174 // We use HasSubstr()s instead of ContainsRegex() for environments
1175 // which don't have regexp.
1176 EXPECT_CALL(log, Log(_, _, AllOf(HasSubstr("stacktrace:"),
1177 HasSubstr("BacktraceAtHelper"),
1179 HasSubstr("Backtrace me"))));
1180 // Other LOGs should not include a backtrace.
1181 EXPECT_CALL(log, Log(_, _, "Not me"));
1183 BacktraceAtHelper();
1186 #endif // HAVE_STACKTRACE
1188 #endif // HAVE_LIB_GMOCK
1190 struct UserDefinedClass {
1191 bool operator==(const UserDefinedClass& rhs) const { return true; }
1194 inline ostream& operator<<(ostream& out, const UserDefinedClass& u) {
1199 TEST(UserDefinedClass, logging) {
1202 LOG_STRING(INFO, &buf) << u;
1203 CHECK_EQ(1, buf.size());
1204 CHECK(buf[0].find("OK") != string::npos);
1206 // We must be able to compile this.