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42 #include "test_precomp.hpp"
44 namespace opencv_test { namespace {
46 TEST(Core_Concatenation, empty)
48 const Mat mat0x5(0,5, CV_8U, Scalar::all(1));
49 const Mat mat10x5(10,5, CV_8U, Scalar::all(1));
50 const Mat mat20x5(20,5, CV_8U, Scalar::all(1));
52 const Mat mat5x0(5,0, CV_8U, Scalar::all(1));
53 const Mat mat5x10(5,10, CV_8U, Scalar::all(1));
54 const Mat mat5x20(5,20, CV_8U, Scalar::all(1));
58 cv::hconcat(mat5x0, mat5x0, result);
59 EXPECT_MAT_N_DIFF(result, mat5x0, 0);
60 cv::hconcat(mat5x0, mat5x10, result);
61 EXPECT_MAT_N_DIFF(result, mat5x10, 0);
62 cv::hconcat(mat5x10, mat5x0, result);
63 EXPECT_MAT_N_DIFF(result, mat5x10, 0);
64 cv::hconcat(mat5x10, mat5x10, result);
65 EXPECT_MAT_N_DIFF(result, mat5x20, 0);
67 cv::vconcat(mat0x5, mat0x5, result);
68 EXPECT_MAT_N_DIFF(result, mat0x5, 0);
69 cv::vconcat(mat0x5, mat10x5, result);
70 EXPECT_MAT_N_DIFF(result, mat10x5, 0);
71 cv::vconcat(mat10x5, mat0x5, result);
72 EXPECT_MAT_N_DIFF(result, mat10x5, 0);
73 cv::vconcat(mat10x5, mat10x5, result);
74 EXPECT_MAT_N_DIFF(result, mat20x5, 0);