added mock log test

CMakeLists.txt

@@ -188,6 +188,8 @@ int main(void)
 }
 " HAVE___SYNC_VAL_COMPARE_AND_SWAP)
 
+cmake_push_check_state (RESET)
+set (CMAKE_REQUIRED_LIBRARIES Threads::Threads)
 check_cxx_source_compiles ("
 #define _XOPEN_SOURCE 500
 #include <pthread.h>
@@ -199,6 +201,7 @@ int main(void)
   return 0;
 }
 " HAVE_RWLOCK)
+cmake_pop_check_state ()
 
 check_cxx_source_compiles ("
 __declspec(selectany) int a;
@@ -830,7 +833,7 @@ if (BUILD_TESTING)
 
   set_tests_properties (logging PROPERTIES TIMEOUT 30)
 
-# FIXME: Skip flaky test
+  # FIXME: Skip flaky test
   set_tests_properties (logging PROPERTIES SKIP_REGULAR_EXPRESSION
     "Check failed: time_ns within LogTimes::LOG_PERIOD_TOL_NS of LogTimes::LOG_PERIOD_NS")
 
@@ -855,6 +858,17 @@ if (BUILD_TESTING)
     add_test (NAME symbolize COMMAND symbolize_unittest)
   endif (TARGET symbolize_unittest)
 
+  if (HAVE_LIB_GMOCK)
+    add_executable (mock-log_unittest
+      src/mock-log_unittest.cc
+      src/mock-log.h
+    )
+
+    target_link_libraries (mock-log_unittest PRIVATE ${_GLOG_TEST_LIBS})
+
+    add_test (NAME mock-log COMMAND mock-log_unittest)
+  endif (HAVE_LIB_GMOCK)
+
   # Generate an initial cache
 
   get_cache_variables (_CACHEVARS)

src/mock-log.h

@@ -72,7 +72,7 @@ class ScopedMockLog : public GOOGLE_NAMESPACE::LogSink {
   ScopedMockLog() { AddLogSink(this); }
 
   // When the object is destructed, it stops intercepting logs.
-  virtual ~ScopedMockLog() { RemoveLogSink(this); }
+  ~ScopedMockLog() { RemoveLogSink(this); }
 
   // Implements the mock method:
   //

src/mock-log_unittest.cc

@@ -55,7 +55,7 @@ TEST(ScopedMockLogTest, InterceptsLog) {
   ScopedMockLog log;
 
   InSequence s;
-  EXPECT_CALL(log, Log(WARNING, HasSubstr("/mock-log_test.cc"), "Fishy."));
+  EXPECT_CALL(log, Log(WARNING, HasSubstr("/mock-log_unittest.cc"), "Fishy."));
   EXPECT_CALL(log, Log(INFO, _, "Working..."))
       .Times(2);
   EXPECT_CALL(log, Log(ERROR, _, "Bad!!"));