core(check): add Size_<int>

modules/calib3d/src/calibration.cpp

@@ -3221,8 +3221,10 @@ void cv::Rodrigues(InputArray _src, OutputArray _dst, OutputArray _jacobian)
     CV_INSTRUMENT_REGION();
 
     Mat src = _src.getMat();
-    CV_Check(src.rows, (src.rows == 1 && src.cols == 3) || (src.rows == 3 && src.cols == 1) ||
-            (src.rows == 1 && src.cols == 1 && src.channels() == 3) || (src.rows == 3 && src.cols == 3),
+    const Size srcSz = src.size();
+    CV_Check(srcSz, srcSz == Size(3, 1) || srcSz == Size(1, 3) ||
+             (srcSz == Size(1, 1) && src.channels() == 3) ||
+             srcSz == Size(3, 3),
              "Input matrix must be 1x3 or 3x1 for a rotation vector, or 3x3 for a rotation matrix");
 
     bool v2m = src.cols == 1 || src.rows == 1;

modules/core/include/opencv2/core/check.hpp

@@ -69,6 +69,7 @@ CV_EXPORTS void CV_NORETURN check_failed_auto(const int v1, const int v2, const
 CV_EXPORTS void CV_NORETURN check_failed_auto(const size_t v1, const size_t v2, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_auto(const float v1, const float v2, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_auto(const double v1, const double v2, const CheckContext& ctx);
+CV_EXPORTS void CV_NORETURN check_failed_auto(const Size_<int> v1, const Size_<int> v2, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_MatDepth(const int v1, const int v2, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_MatType(const int v1, const int v2, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_MatChannels(const int v1, const int v2, const CheckContext& ctx);
@@ -77,6 +78,7 @@ CV_EXPORTS void CV_NORETURN check_failed_auto(const int v, const CheckContext& c
 CV_EXPORTS void CV_NORETURN check_failed_auto(const size_t v, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_auto(const float v, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_auto(const double v, const CheckContext& ctx);
+CV_EXPORTS void CV_NORETURN check_failed_auto(const Size_<int> v, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_MatDepth(const int v, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_MatType(const int v, const CheckContext& ctx);
 CV_EXPORTS void CV_NORETURN check_failed_MatChannels(const int v, const CheckContext& ctx);

modules/core/src/check.cpp

@@ -113,6 +113,10 @@ void check_failed_auto(const double v1, const double v2, const CheckContext& ctx
 {
     check_failed_auto_<double>(v1, v2, ctx);
 }
+void check_failed_auto(const Size_<int> v1, const Size_<int> v2, const CheckContext& ctx)
+{
+    check_failed_auto_< Size_<int> >(v1, v2, ctx);
+}
 
 
 template<typename T> static CV_NORETURN
@@ -163,6 +167,10 @@ void check_failed_auto(const double v, const CheckContext& ctx)
 {
     check_failed_auto_<double>(v, ctx);
 }
+void check_failed_auto(const Size_<int> v, const CheckContext& ctx)
+{
+    check_failed_auto_< Size_<int> >(v, ctx);
+}
 
 
 }} // namespace

modules/core/test/test_misc.cpp

@@ -671,7 +671,8 @@ TEST(Core_Check, testMatType_fail_2)
         EXPECT_STREQ(e.err.c_str(),
 "> Unsupported src:\n"
 ">     'src_type == CV_32FC1 || src_type == CV_32FC3'\n"
-"> where\n>     'src_type' is 0 (CV_8UC1)\n"
+"> where\n"
+">     'src_type' is 0 (CV_8UC1)\n"
 );
     }
     catch (const std::exception& e)
@@ -737,7 +738,39 @@ TEST(Core_Check, testMatDepth_fail_2)
         EXPECT_STREQ(e.err.c_str(),
 "> Unsupported src:\n"
 ">     'src_depth == CV_32F || src_depth == CV_64F'\n"
-"> where\n>     'src_depth' is 0 (CV_8U)\n"
+"> where\n"
+">     'src_depth' is 0 (CV_8U)\n"
+);
+    }
+    catch (const std::exception& e)
+    {
+        FAIL() << "Unexpected C++ exception: " << e.what();
+    }
+    catch (...)
+    {
+        FAIL() << "Unexpected unknown exception";
+    }
+}
+
+
+void test_check_Size_1(const Size& srcSz)
+{
+    CV_Check(srcSz, srcSz == Size(4, 3), "Unsupported src size");
+}
+TEST(Core_Check, testSize_1)
+{
+    try
+    {
+        test_check_Size_1(Size(2, 1));
+        FAIL() << "Unreachable code called";
+    }
+    catch (const cv::Exception& e)
+    {
+        EXPECT_STREQ(e.err.c_str(),
+"> Unsupported src size:\n"
+">     'srcSz == Size(4, 3)'\n"
+"> where\n"
+">     'srcSz' is [2 x 1]\n"
 );
     }
     catch (const std::exception& e)