ts: apply CV_OVERRIDE/CV_FINAL

- disable "-Wsuggest-override" in tests

modules/ts/include/opencv2/ts.hpp

@@ -63,7 +63,14 @@
 # endif
 #endif
 
+#if defined(__OPENCV_BUILD) && defined(__GNUC__) && __GNUC__ >= 5
+//#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wsuggest-override"
+#endif
 #include "opencv2/ts/ts_gtest.h"
+#if defined(__OPENCV_BUILD) && defined(__GNUC__) && __GNUC__ >= 5
+//#pragma GCC diagnostic pop
+#endif
 #include "opencv2/ts/ts_ext.hpp"
 
 #ifndef GTEST_USES_SIMPLE_RE
@@ -519,13 +526,13 @@ public:
     ArrayTest();
     virtual ~ArrayTest();
 
-    virtual void clear();
+    virtual void clear() CV_OVERRIDE;
 
 protected:
 
-    virtual int read_params( CvFileStorage* fs );
-    virtual int prepare_test_case( int test_case_idx );
-    virtual int validate_test_results( int test_case_idx );
+    virtual int read_params( CvFileStorage* fs ) CV_OVERRIDE;
+    virtual int prepare_test_case( int test_case_idx ) CV_OVERRIDE;
+    virtual int validate_test_results( int test_case_idx ) CV_OVERRIDE;
 
     virtual void prepare_to_validation( int test_case_idx );
     virtual void get_test_array_types_and_sizes( int test_case_idx, vector<vector<Size> >& sizes, vector<vector<int> >& types );
@@ -558,7 +565,7 @@ public:
 
 protected:
     virtual int run_test_case( int expected_code, const string& descr );
-    virtual void run_func(void) = 0;
+    virtual void run_func(void) CV_OVERRIDE = 0;
     int test_case_idx;
 
     template<class F>

modules/ts/include/opencv2/ts/ts_ext.hpp

@@ -48,7 +48,7 @@ extern int testThreads;
      public:\
       GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {}\
      private:\
-      virtual void TestBody();\
+      virtual void TestBody() CV_OVERRIDE;\
       virtual void Body();\
       static ::testing::TestInfo* const test_info_ GTEST_ATTRIBUTE_UNUSED_;\
       GTEST_DISALLOW_COPY_AND_ASSIGN_(\
@@ -74,7 +74,7 @@ extern int testThreads;
      public:\
       GTEST_TEST_CLASS_NAME_(test_fixture, test_name)() {}\
      private:\
-      virtual void TestBody();\
+      virtual void TestBody() CV_OVERRIDE;\
       virtual void Body(); \
       static ::testing::TestInfo* const test_info_ GTEST_ATTRIBUTE_UNUSED_;\
       GTEST_DISALLOW_COPY_AND_ASSIGN_(\
@@ -102,7 +102,7 @@ extern int testThreads;
     GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {} \
    private: \
     virtual void bodyMethodName(); \
-    virtual void TestBody(); \
+    virtual void TestBody() CV_OVERRIDE; \
     static int AddToRegistry() { \
       ::testing::UnitTest::GetInstance()->parameterized_test_registry(). \
           GetTestCasePatternHolder<test_case_name>(\

modules/ts/include/opencv2/ts/ts_perf.hpp

@@ -3,7 +3,6 @@
 
 #include "opencv2/ts.hpp"
 
-#include "ts_gtest.h"
 #include "ts_ext.hpp"
 
 #include <functional>
@@ -397,8 +396,8 @@ public:
 protected:
     virtual void PerfTestBody() = 0;
 
-    virtual void SetUp();
-    virtual void TearDown();
+    virtual void SetUp() CV_OVERRIDE;
+    virtual void TearDown() CV_OVERRIDE;
 
     bool startTimer(); // bool is dummy for conditional loop
     void stopTimer();

modules/ts/src/ts_gtest.cpp

@@ -41,6 +41,9 @@
 #ifdef __GNUC__
 #  pragma GCC diagnostic ignored "-Wmissing-declarations"
 #  pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#  if __GNUC__ >= 5
+#    pragma GCC diagnostic ignored "-Wsuggest-override"
+#  endif
 #endif
 
 // The following lines pull in the real gtest *.cc files.