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imgcodecs: added test for imwrite parameter types

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issue 11545
This commit is contained in:
Alexander Alekhin 2018-05-22 13:55:14 +03:00
parent 085b27fc3d
commit 76ac7ab4ef
1 changed files with 14 additions and 0 deletions
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14
modules/imgcodecs/test/test_grfmt.cpp
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@ -327,4 +327,18 @@ TEST(Imgcodecs_Pam, read_write)
remove(writefile_no_param.c_str()); 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 }} // namespace