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Tetragramm
GitHub Repository: Tetragramm/opencv
 Path: blob/master/modules/core/test/test_concatenation.cpp
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/*M///////////////////////////////////////////////////////////////////////////////////////

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//

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//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.

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//

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//  By downloading, copying, installing or using the software you agree to this license.

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//  If you do not agree to this license, do not download, install,

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//  copy or use the software.

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//

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//

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//                        Intel License Agreement

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//                For Open Source Computer Vision Library

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//

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// Copyright (C) 2000, Intel Corporation, all rights reserved.

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// Third party copyrights are property of their respective owners.

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//

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// Redistribution and use in source and binary forms, with or without modification,

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// are permitted provided that the following conditions are met:

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//   * Redistribution's of source code must retain the above copyright notice,

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//     this list of conditions and the following disclaimer.

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//

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//   * Redistribution's in binary form must reproduce the above copyright notice,

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//     this list of conditions and the following disclaimer in the documentation

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//     and/or other materials provided with the distribution.

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//

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//   * The name of Intel Corporation may not be used to endorse or promote products

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//     derived from this software without specific prior written permission.

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//

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// This software is provided by the copyright holders and contributors "as is" and

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// warranties of merchantability and fitness for a particular purpose are disclaimed.

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// or tort (including negligence or otherwise) arising in any way out of

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// the use of this software, even if advised of the possibility of such damage.

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//

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//M*/

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#include "test_precomp.hpp"

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namespace opencv_test { namespace {

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TEST(Core_Concatenation, empty)

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{

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    const Mat mat0x5(0,5, CV_8U, Scalar::all(1));

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    const Mat mat10x5(10,5, CV_8U, Scalar::all(1));

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    const Mat mat20x5(20,5, CV_8U, Scalar::all(1));

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    const Mat mat5x0(5,0, CV_8U, Scalar::all(1));

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    const Mat mat5x10(5,10, CV_8U, Scalar::all(1));

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    const Mat mat5x20(5,20, CV_8U, Scalar::all(1));

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    Mat result;

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    cv::hconcat(mat5x0, mat5x0, result);

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    EXPECT_MAT_N_DIFF(result, mat5x0, 0);

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    cv::hconcat(mat5x0, mat5x10, result);

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    EXPECT_MAT_N_DIFF(result, mat5x10, 0);

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    cv::hconcat(mat5x10, mat5x0, result);

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    EXPECT_MAT_N_DIFF(result, mat5x10, 0);

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    cv::hconcat(mat5x10, mat5x10, result);

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    EXPECT_MAT_N_DIFF(result, mat5x20, 0);

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    cv::vconcat(mat0x5, mat0x5, result);

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    EXPECT_MAT_N_DIFF(result, mat0x5, 0);

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    cv::vconcat(mat0x5, mat10x5, result);

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    EXPECT_MAT_N_DIFF(result, mat10x5, 0);

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    cv::vconcat(mat10x5, mat0x5, result);

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    EXPECT_MAT_N_DIFF(result, mat10x5, 0);

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    cv::vconcat(mat10x5, mat10x5, result);

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    EXPECT_MAT_N_DIFF(result, mat20x5, 0);

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}

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}} // namespace

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