opencv/modules/cudev/test/test_lut.cu

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#include "test_precomp.hpp"

using namespace cv;
using namespace cv::cuda;
using namespace cv::cudev;
using namespace cvtest;

////////////////////////////////////////////////////////////////////////////////
// LutTest

template <typename T>
class LutTest : public ::testing::Test
{
public:
    void test_gpumat()
    {
        const Size size = randomSize(100, 400);
        const int type = DataType<T>::type;

        Mat src = randomMat(size, type);
        Mat tbl = randomMat(Size(256, 1), type);

        GpuMat_<T> d_src(src), d_tbl(tbl);

        GpuMat_<T> dst = lut_(d_src, d_tbl);

        Mat dst_gold;
        cv::LUT(src, tbl, dst_gold);

        EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
    }
};

TYPED_TEST_CASE(LutTest, uchar);

TYPED_TEST(LutTest, GpuMat)
{
    LutTest<TypeParam>::test_gpumat();
}