drop custom prefix option (#898)

.github/workflows/emscripten.yml

@@ -7,14 +7,13 @@ jobs:
     defaults:
       run:
         shell: bash
-    name: Emscripten-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}}
+    name: Emscripten-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}
     runs-on: ubuntu-latest
     container: emscripten/emsdk
     strategy:
       fail-fast: true
       matrix:
         build_type: [Release, Debug]
-        extra: [no-custom-prefix, custom-prefix]
         lib: [static]
         std: [98, 11, 14, 17, 20]
 
@@ -49,7 +48,6 @@ jobs:
             -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER \
             -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/install \
             -DCMAKE_RANLIB=$(which emranlib) \
-            -DWITH_CUSTOM_PREFIX=${{matrix.extra == 'custom-prefix'}} \
             -G Ninja \
             -Werror
 

.github/workflows/linux.yml

@@ -7,13 +7,12 @@ jobs:
     defaults:
       run:
         shell: bash
-    name: GCC-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}}
+    name: GCC-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}
     runs-on: ubuntu-22.04
     strategy:
       fail-fast: true
       matrix:
         build_type: [Release, Debug]
-        extra: [no-custom-prefix, custom-prefix]
         lib: [shared, static]
         std: [98, 11, 14, 17, 20]
 
@@ -74,7 +73,6 @@ jobs:
             -DCMAKE_CXX_STANDARD=${{matrix.std}} \
             -DCMAKE_CXX_STANDARD_REQUIRED=ON \
             -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/install \
-            -DWITH_CUSTOM_PREFIX=${{matrix.extra == 'custom-prefix'}} \
             -G Ninja \
             -Werror
 

.github/workflows/windows.yml

@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   build-msvc:
-    name: ${{matrix.msvc}}-${{matrix.arch}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}}
+    name: ${{matrix.msvc}}-${{matrix.arch}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}
     runs-on: ${{matrix.os}}
     defaults:
       run:
@@ -17,7 +17,6 @@ jobs:
       matrix:
         arch: [Win32, x64]
         build_type: [Debug, Release]
-        extra: [no-custom-prefix, custom-prefix]
         lib: [shared, static]
         msvc: [VS-16-2019, VS-17-2022]
         # Visual Studio 17 2022 does not support C++11 and older language standard
@@ -106,7 +105,6 @@ jobs:
                 -DCMAKE_EXE_LINKER_FLAGS_RELEASE='/INCREMENTAL:NO /DEBUG' `
                 -DCMAKE_INSTALL_PREFIX:PATH=./install `
                 -DCMAKE_MSVC_RUNTIME_LIBRARY='MultiThreaded$<$<CONFIG:Debug>:Debug>DLL' `
-                -DWITH_CUSTOM_PREFIX=${{matrix.extra == 'custom-prefix'}} `
                 -G "${{matrix.generator}}" `
                 -Werror
 
@@ -129,10 +127,10 @@ jobs:
                 --target install
 
   build-mingw:
-    name: ${{matrix.sys}}-${{matrix.env}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}}
+    name: ${{matrix.sys}}-${{matrix.env}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}
     runs-on: windows-2022
     env:
-      BUILDDIR: 'build_${{matrix.sys}}-${{matrix.env}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}-${{matrix.extra}}'
+      BUILDDIR: 'build_${{matrix.sys}}-${{matrix.env}}-C++${{matrix.std}}-${{matrix.build_type}}-${{matrix.lib}}'
     defaults:
       run:
         shell: msys2 {0}
@@ -140,7 +138,6 @@ jobs:
       fail-fast: true
       matrix:
         build_type: [Debug]
-        extra: [no-custom-prefix, custom-prefix]
         lib: [shared, static]
         std: [98, 11, 14, 17, 20]
         sys: [mingw32, mingw64]
@@ -183,7 +180,6 @@ jobs:
                 -DCMAKE_CXX_STANDARD=${{matrix.std}} \
                 -DCMAKE_CXX_STANDARD_REQUIRED=ON \
                 -DCMAKE_INSTALL_PREFIX:PATH=./install \
-                -DWITH_CUSTOM_PREFIX=${{matrix.extra == 'custom-prefix'}} \
                 -G Ninja \
                 -Werror
 

CMakeLists.txt

@@ -37,7 +37,6 @@ include (GNUInstallDirs)
 option (BUILD_SHARED_LIBS "Build shared libraries" ON)
 option (PRINT_UNSYMBOLIZED_STACK_TRACES
   "Print file offsets in traces instead of symbolizing" OFF)
-option (WITH_CUSTOM_PREFIX "Enable support for user-generated message prefixes" ON)
 option (WITH_GFLAGS "Use gflags" ON)
 option (WITH_GTEST "Use Google Test" ON)
 option (WITH_PKGCONFIG "Enable pkg-config support" ON)
@@ -694,10 +693,6 @@ if (CYGWIN OR WIN32)
   target_compile_definitions (glog PUBLIC GLOG_NO_ABBREVIATED_SEVERITIES)
 endif (CYGWIN OR WIN32)
 
-if (WITH_CUSTOM_PREFIX)
-  target_compile_definitions (glog PUBLIC GLOG_CUSTOM_PREFIX_SUPPORT)
-endif (WITH_CUSTOM_PREFIX)
-
 set_target_properties (glog PROPERTIES PUBLIC_HEADER "${GLOG_PUBLIC_H}")
 
 target_include_directories (glog BEFORE PUBLIC
@@ -781,27 +776,6 @@ if (BUILD_TESTING)
 
   target_link_libraries (logging_unittest PRIVATE ${_GLOG_TEST_LIBS})
 
-  if (WITH_CUSTOM_PREFIX)
-    add_executable (logging_custom_prefix_unittest
-      src/logging_custom_prefix_unittest.cc
-    )
-
-    target_link_libraries (logging_custom_prefix_unittest PRIVATE ${_GLOG_TEST_LIBS})
-
-    add_test (NAME logging_custom_prefix
-              COMMAND logging_custom_prefix_unittest)
-
-    # FIXME: Skip flaky test
-    set_tests_properties (logging_custom_prefix PROPERTIES SKIP_REGULAR_EXPRESSION
-      "Check failed: time_ns within LogTimes::LOG_PERIOD_TOL_NS of LogTimes::LOG_PERIOD_NS")
-
-    if (APPLE)
-      # FIXME: Skip flaky test
-      set_property (TEST logging_custom_prefix APPEND PROPERTY SKIP_REGULAR_EXPRESSION
-        "unexpected new.*PASS\nTest with golden file failed. We'll try to show the diff:")
-    endif (APPLE)
-  endif (WITH_CUSTOM_PREFIX)
-
   add_executable (stl_logging_unittest
     src/stl_logging_unittest.cc
   )

README.rst

@@ -534,8 +534,7 @@ Custom Log Prefix Format
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
 glog supports changing the format of the prefix attached to log messages by
-receiving a user-provided callback to be used to generate such strings.  That
+receiving a user-provided callback to be used to generate such strings.
-feature must be enabled at compile time by the ``WITH_CUSTOM_PREFIX`` flag.
 
 For each log entry, the callback will be invoked with a ``LogMessageInfo``
 struct containing the severity, filename, line number, thread ID, and time of

bazel/glog.bzl

@@ -59,7 +59,6 @@ def glog_library(namespace = "google", with_gflags = 1, **kwargs):
         "-DHAVE_CXX11_NULLPTR_T",
         "-DHAVE_STDINT_H",
         "-DHAVE_STRING_H",
-        "-DGLOG_CUSTOM_PREFIX_SUPPORT",
         "-I%s/glog_internal" % gendir,
     ] + (["-DHAVE_LIB_GFLAGS"] if with_gflags else [])
 
@@ -205,7 +204,6 @@ def glog_library(namespace = "google", with_gflags = 1, **kwargs):
         "cleanup_with_absolute_prefix",
         "cleanup_with_relative_prefix",
         # "demangle", # Broken
-        # "logging_custom_prefix", # Broken
         # "logging", # Broken
         # "mock-log", # Broken
         # "signalhandler", # Pointless

src/glog/logging.h.in

@@ -155,7 +155,6 @@ struct GLOG_EXPORT LogMessageTime {
   void CalcGmtOffset();
 };
 
-#ifdef GLOG_CUSTOM_PREFIX_SUPPORT
 struct LogMessageInfo {
   explicit LogMessageInfo(const char* const severity_,
                           const char* const filename_,
@@ -175,8 +174,6 @@ struct LogMessageInfo {
 
 typedef void(*CustomPrefixCallback)(std::ostream& s, const LogMessageInfo& l, void* data);
 
-#endif
-
 @ac_google_end_namespace@
 
 
@@ -632,11 +629,9 @@ DECLARE_bool(log_utc_time);
 // specified by argv0 in log outputs.
 GLOG_EXPORT void InitGoogleLogging(const char* argv0);
 
-#ifdef GLOG_CUSTOM_PREFIX_SUPPORT
 GLOG_EXPORT void InitGoogleLogging(const char* argv0,
                                    CustomPrefixCallback prefix_callback,
                                    void* prefix_callback_data = NULL);
-#endif
 
 // Check if google's logging library has been initialized.
 GLOG_EXPORT bool IsGoogleLoggingInitialized();

src/logging.cc

@@ -420,14 +420,12 @@ static bool SendEmailInternal(const char*dest, const char *subject,
 base::Logger::~Logger() {
 }
 
-#ifdef GLOG_CUSTOM_PREFIX_SUPPORT
 namespace  {
   // Optional user-configured callback to print custom prefixes.
   CustomPrefixCallback custom_prefix_callback = NULL;
   // User-provided data to pass to the callback:
   void* custom_prefix_callback_data = NULL;
 }
-#endif
 
 namespace {
 
@@ -1687,9 +1685,7 @@ void LogMessage::Init(const char* file,
       std::ios saved_fmt(NULL);
       saved_fmt.copyfmt(stream());
       stream().fill('0');
-    #ifdef GLOG_CUSTOM_PREFIX_SUPPORT
       if (custom_prefix_callback == NULL) {
-    #endif
           stream() << LogSeverityNames[severity][0];
           if (FLAGS_log_year_in_prefix) {
             stream() << setw(4) << 1900 + logmsgtime_.year();
@@ -1706,7 +1702,6 @@ void LogMessage::Init(const char* file,
                    << static_cast<unsigned int>(GetTID()) << setfill('0')
                    << ' '
                    << data_->basename_ << ':' << data_->line_ << "] ";
-    #ifdef GLOG_CUSTOM_PREFIX_SUPPORT
       } else {
         custom_prefix_callback(
                 stream(),
@@ -1717,7 +1712,6 @@ void LogMessage::Init(const char* file,
                 );
         stream() << " ";
       }
-    #endif
       stream().copyfmt(saved_fmt);
   }
   data_->num_prefix_chars_ = data_->stream_.pcount();
@@ -2649,7 +2643,6 @@ void InitGoogleLogging(const char* argv0) {
   glog_internal_namespace_::InitGoogleLoggingUtilities(argv0);
 }
 
-#ifdef GLOG_CUSTOM_PREFIX_SUPPORT
 void InitGoogleLogging(const char* argv0,
                        CustomPrefixCallback prefix_callback,
                        void* prefix_callback_data) {
@@ -2657,7 +2650,6 @@ void InitGoogleLogging(const char* argv0,
   custom_prefix_callback_data = prefix_callback_data;
   InitGoogleLogging(argv0);
 }
-#endif
 
 void ShutdownGoogleLogging() {
   glog_internal_namespace_::ShutdownGoogleLoggingUtilities();

src/logging_custom_prefix_unittest.err

@@ -1,308 +0,0 @@
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=2 logtostderr=0 alsologtostderr=0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-WARNING: Logging before InitGoogleLogging() is written to STDERR
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=0 logtostderr=0 alsologtostderr=0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] foo bar 10 3.4
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 1: __SUCCESS__ [0]
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 1
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 4, iteration 1
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 5, iteration 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 1
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if less than 3 every 2, iteration 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 2
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 3: __ENOENT__ [2]
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 3
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if less than 3 every 2, iteration 3
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 4
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 4
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 5: __EINTR__ [4]
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 4, iteration 5
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 5
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 5, iteration 6
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 6
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 7: __ENXIO__ [6]
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 7
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 7
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 8
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Plog every 2, iteration 9: __ENOEXEC__ [8]
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 4, iteration 9
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 9
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log every 3, iteration 10
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Log if every 1, iteration 10
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if this
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] array
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] const array
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] foo 1000       1000 3e8
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] foo          1
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] inner
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] outer
-no prefix
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo bar 10 3.400000
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: array
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: const array
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: ptr __PTRTEST__
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: ptr __NULLP__
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo 1000 0000001000 3e8
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo 1000
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: foo 1000
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: RAW_LOG ERROR: The Message was too long!
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: RAW_LOG ERROR: The Message was too long!
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0 on
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 1 on
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 2 on
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=0 logtostderr=0 alsologtostderr=0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=0 logtostderr=0 alsologtostderr=0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=-1 stderrthreshold=0 logtostderr=0 alsologtostderr=0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=1 logtostderr=0 alsologtostderr=0
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=2 logtostderr=0 alsologtostderr=0
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=0 alsologtostderr=0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=1 alsologtostderr=0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=0 stderrthreshold=3 logtostderr=0 alsologtostderr=1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=1 logtostderr=0 alsologtostderr=0
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Test: v=1 stderrthreshold=3 logtostderr=0 alsologtostderr=1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: vlog 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if -1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if info every 1 expr
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] log_if error every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] vlog_if 0 every 1 expr
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_STRING: reported info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_STRING: reported warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_STRING: reported error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_STRING:  LOG_STRING: collected info
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_STRING:  LOG_STRING: collected warning
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_STRING:  LOG_STRING: collected error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: reported info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: reported warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: reported error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_SINK:
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK: collected error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_SINK_BUT_NOT_TO_LOGFILE: collected error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: collected info
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_STRING:  LOG_TO_STRING: collected info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: collected warning
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_STRING:  LOG_TO_STRING: collected warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: collected error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Captured by LOG_TO_STRING:  LOG_TO_STRING: collected error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: reported info
-WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: reported warning
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] LOG_TO_STRING: reported error
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffering
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffered
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waiting
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Sink got a messages
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waited
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink is sending out a message: IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 1
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Have 0 left
-EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 2
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Buffering
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-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waiting
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Sink got a messages
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waited
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink is sending out a message: EYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 2
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-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waiting
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Sink got a messages
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] RAW: Waited
-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink is sending out a message: WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 3
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-IYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Sink capture: WYEARDATE TIME__ THREADID logging_custom_prefix_unittest.cc:LINE] Message 3

src/logging_unittest.cc

@@ -1,4 +1,4 @@
-// Copyright (c) 2002, Google Inc.
+// Copyright (c) 2023, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,7 @@
 #include <fstream>
 #include <iomanip>
 #include <iostream>
+#include <fstream>
 #include <memory>
 #include <queue>
 #include <sstream>
@@ -182,6 +183,30 @@ static void BM_vlog(int n) {
 }
 BENCHMARK(BM_vlog)
 
+// Dynamically generate a prefix using the default format and write it to the stream.
+void PrefixAttacher(std::ostream &s, const LogMessageInfo &l, void* data) {
+  // Assert that `data` contains the expected contents before producing the
+  // prefix (otherwise causing the tests to fail):
+  if (data == NULL || *static_cast<string*>(data) != "good data") {
+    return;
+  }
+
+  s << l.severity[0]
+    << setw(4) << 1900 + l.time.year()
+    << setw(2) << 1 + l.time.month()
+    << setw(2) << l.time.day()
+    << ' '
+    << setw(2) << l.time.hour() << ':'
+    << setw(2) << l.time.min()  << ':'
+    << setw(2) << l.time.sec() << "."
+    << setw(6) << l.time.usec()
+    << ' '
+    << setfill(' ') << setw(5)
+    << l.thread_id << setfill('0')
+    << ' '
+    << l.filename << ':' << l.line_number << "]";
+}
+
 int main(int argc, char **argv) {
   FLAGS_colorlogtostderr = false;
   FLAGS_timestamp_in_logfile_name = true;
@@ -199,7 +224,10 @@ int main(int argc, char **argv) {
 
   EXPECT_FALSE(IsGoogleLoggingInitialized());
 
-  InitGoogleLogging(argv[0]);
+  // Setting a custom prefix generator (it will use the default format so that
+  // the golden outputs can be reused):
+  string prefix_attacher_data = "good data";
+  InitGoogleLogging(argv[0], &PrefixAttacher, static_cast<void*>(&prefix_attacher_data));
 
   EXPECT_TRUE(IsGoogleLoggingInitialized());
 
@@ -1486,3 +1514,17 @@ TEST(UserDefinedClass, logging) {
   // We must be able to compile this.
   CHECK_EQ(u, u);
 }
+
+TEST(LogMsgTime, gmtoff) {
+  /*
+   * Unit test for GMT offset API
+   * TODO: To properly test this API, we need a platform independent way to set time-zone.
+   * */
+  google::LogMessage log_obj(__FILE__, __LINE__);
+
+  long int nGmtOff = log_obj.getLogMessageTime().gmtoff();
+  // GMT offset ranges from UTC-12:00 to UTC+14:00
+  const long utc_min_offset = -43200;
+  const long utc_max_offset = 50400;
+  EXPECT_TRUE( (nGmtOff >= utc_min_offset) && (nGmtOff <= utc_max_offset) );
+}