message: imgcodecs: added test for imwrite parameter types
  issue 11545
diff: @@ -327,4 +327,18 @@ TEST(Imgcodecs_Pam, read_write)
  remove(writefile_no_param.c_str());
  }
  +TEST(Imgcodecs, write_parameter_type)
  +{
  + cv::Mat m(10, 10, CV_8UC1, cv::Scalar::all(0));
  + cv::Mat1b m_type = cv::Mat1b::zeros(10, 10);
  + string tmp_file = cv::tempfile(".bmp");
  + EXPECT_NO_THROW(cv::imwrite(tmp_file, cv::Mat(m * 2))) << "* Failed with cv::Mat";
  + EXPECT_NO_THROW(cv::imwrite(tmp_file, m * 2)) << "* Failed with cv::MatExpr";
  + EXPECT_NO_THROW(cv::imwrite(tmp_file, m_type)) << "* Failed with cv::Mat_";
  + EXPECT_NO_THROW(cv::imwrite(tmp_file, m_type * 2)) << "* Failed with cv::MatExpr(Mat_)";
  + cv::Matx<uchar, 10, 10> matx;
  + EXPECT_NO_THROW(cv::imwrite(tmp_file, matx)) << "* Failed with cv::Matx";
  + EXPECT_EQ(0, remove(tmp_file.c_str()));
  +}
  +
  }} // namespace
  