core(test): added cv::sortIdx accuracy tests

modules/ts/include/opencv2/ts.hpp

@@ -6,6 +6,14 @@
 
 #include "cvconfig.h"
 
+#include <string>
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <iterator>
+#include <limits>
+#include <numeric>
+
 #ifdef WINRT
     #pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
 #endif
@@ -46,14 +54,10 @@ namespace cvtest
 
 using std::vector;
 using std::string;
-using cv::RNG;
-using cv::Mat;
-using cv::Scalar;
-using cv::Size;
-using cv::Point;
-using cv::Rect;
-using cv::InputArray;
-using cv::noArray;
+using namespace cv;
+using testing::Values;
+using testing::Combine;
+
 
 class SkipTestException: public cv::Exception
 {
@@ -632,10 +636,12 @@ int main(int argc, char **argv) \
 
 } //namespace cvtest
 
-#endif // OPENCV_TS_HPP
-
 #include "opencv2/ts/ts_perf.hpp"
 
+namespace cvtest {
+using perf::MatDepth;
+}
+
 #ifdef WINRT
 #ifndef __FSTREAM_EMULATED__
 #define __FSTREAM_EMULATED__
@@ -734,3 +740,5 @@ public:
 } // namespace std
 #endif // __FSTREAM_EMULATED__
 #endif // WINRT
+
+#endif // OPENCV_TS_HPP

modules/ts/include/opencv2/ts/cuda_test.hpp

@@ -109,6 +109,7 @@ namespace cvtest
 
     CV_EXPORTS testing::AssertionResult assertMatNear(const char* expr1, const char* expr2, const char* eps_expr, cv::InputArray m1, cv::InputArray m2, double eps);
 
+    #undef EXPECT_MAT_NEAR
     #define EXPECT_MAT_NEAR(m1, m2, eps) EXPECT_PRED_FORMAT3(cvtest::assertMatNear, m1, m2, eps)
     #define ASSERT_MAT_NEAR(m1, m2, eps) ASSERT_PRED_FORMAT3(cvtest::assertMatNear, m1, m2, eps)
 
@@ -153,6 +154,7 @@ namespace cvtest
 
     CV_EXPORTS double checkSimilarity(cv::InputArray m1, cv::InputArray m2);
 
+    #undef EXPECT_MAT_SIMILAR
     #define EXPECT_MAT_SIMILAR(mat1, mat2, eps) \
         { \
             ASSERT_EQ(mat1.type(), mat2.type()); \

modules/ts/include/opencv2/ts/ocl_test.hpp

@@ -94,6 +94,7 @@ do \
     EXPECT_LE(TestUtils::checkNorm1(mat), eps) \
 } while ((void)0, 0)
 
+#undef EXPECT_MAT_NEAR
 #define EXPECT_MAT_NEAR(mat1, mat2, eps) \
 do \
 { \
@@ -178,6 +179,7 @@ do \
         << "Size: " << name ## _roi.size() << std::endl; \
 } while ((void)0, 0)
 
+#undef EXPECT_MAT_SIMILAR
 #define EXPECT_MAT_SIMILAR(mat1, mat2, eps) \
 do \
 { \
@@ -325,7 +327,7 @@ struct CV_EXPORTS TSTestWithParam : public TestUtils, public ::testing::TestWith
 };
 
 #undef PARAM_TEST_CASE
-#define PARAM_TEST_CASE(name, ...) struct name : public TSTestWithParam< std::tr1::tuple< __VA_ARGS__ > >
+#define PARAM_TEST_CASE(name, ...) struct name : public ::cvtest::ocl::TSTestWithParam< std::tr1::tuple< __VA_ARGS__ > >
 
 #ifndef IMPLEMENT_PARAM_CLASS
 #define IMPLEMENT_PARAM_CLASS(name, type) \