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Merge pull request #25459 from Kumataro:investigate_tiff_test

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imgcodecs: tiff: test: ASSERT_NO_THROW() for imwrite/imread
pull/25468/head
Alexander Smorkalov 10 months ago committed by GitHub
parent fb2af90daa 26798e1f7c
commit 3f8b56ec49
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1 changed files with 59 additions and 19 deletions
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  1. 78
      modules/imgcodecs/test/test_tiff.cpp

78
modules/imgcodecs/test/test_tiff.cpp
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@ -685,15 +685,22 @@ TEST(Imgcodecs_Tiff, readWrite_unsigned)
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/gray_8u.tif";
const string filenameOutput = cv::tempfile(".tiff");
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(filenameInput, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_8UC1, img.type());
Mat matS8;
img.convertTo(matS8, CV_8SC1);
ASSERT_TRUE(cv::imwrite(filenameOutput, matS8));
const Mat img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED);
bool ret_imwrite = false;
ASSERT_NO_THROW(ret_imwrite = cv::imwrite(filenameOutput, matS8));
ASSERT_TRUE(ret_imwrite);
Mat img2;
ASSERT_NO_THROW(img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED));
ASSERT_FALSE(img2.empty());
ASSERT_EQ(img2.type(), matS8.type());
ASSERT_EQ(img2.size(), matS8.size());
EXPECT_LE(cvtest::norm(matS8, img2, NORM_INF | NORM_RELATIVE), 1e-3);
@ -705,12 +712,19 @@ TEST(Imgcodecs_Tiff, readWrite_32FC1)
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/test32FC1.tiff";
const string filenameOutput = cv::tempfile(".tiff");
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(filenameInput, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_32FC1,img.type());
ASSERT_TRUE(cv::imwrite(filenameOutput, img));
const Mat img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED);
bool ret_imwrite = false;
ASSERT_NO_THROW(ret_imwrite = cv::imwrite(filenameOutput, img));
ASSERT_TRUE(ret_imwrite);
Mat img2;
ASSERT_NO_THROW(img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED));
ASSERT_FALSE(img2.empty());
ASSERT_EQ(img2.type(), img.type());
ASSERT_EQ(img2.size(), img.size());
EXPECT_LE(cvtest::norm(img, img2, NORM_INF | NORM_RELATIVE), 1e-3);
@ -722,12 +736,19 @@ TEST(Imgcodecs_Tiff, readWrite_64FC1)
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/test64FC1.tiff";
const string filenameOutput = cv::tempfile(".tiff");
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(filenameInput, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_64FC1, img.type());
ASSERT_TRUE(cv::imwrite(filenameOutput, img));
const Mat img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED);
bool ret_imwrite = false;
ASSERT_NO_THROW(ret_imwrite = cv::imwrite(filenameOutput, img));
ASSERT_TRUE(ret_imwrite);
Mat img2;
ASSERT_NO_THROW(img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED));
ASSERT_FALSE(img2.empty());
ASSERT_EQ(img2.type(), img.type());
ASSERT_EQ(img2.size(), img.size());
EXPECT_LE(cvtest::norm(img, img2, NORM_INF | NORM_RELATIVE), 1e-3);
@ -739,12 +760,19 @@ TEST(Imgcodecs_Tiff, readWrite_32FC3_SGILOG)
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/test32FC3_sgilog.tiff";
const string filenameOutput = cv::tempfile(".tiff");
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(filenameInput, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_32FC3, img.type());
ASSERT_TRUE(cv::imwrite(filenameOutput, img));
const Mat img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED);
bool ret_imwrite = false;
ASSERT_NO_THROW(ret_imwrite = cv::imwrite(filenameOutput, img));
ASSERT_TRUE(ret_imwrite);
Mat img2;
ASSERT_NO_THROW(img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED));
ASSERT_FALSE(img2.empty());
ASSERT_EQ(img2.type(), img.type());
ASSERT_EQ(img2.size(), img.size());
EXPECT_LE(cvtest::norm(img, img2, NORM_INF | NORM_RELATIVE), 0.01);
@ -756,7 +784,9 @@ TEST(Imgcodecs_Tiff, readWrite_32FC3_RAW)
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/test32FC3_raw.tiff";
const string filenameOutput = cv::tempfile(".tiff");
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(filenameInput, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_32FC3, img.type());
@ -764,8 +794,13 @@ TEST(Imgcodecs_Tiff, readWrite_32FC3_RAW)
params.push_back(IMWRITE_TIFF_COMPRESSION);
params.push_back(IMWRITE_TIFF_COMPRESSION_NONE);
ASSERT_TRUE(cv::imwrite(filenameOutput, img, params));
const Mat img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED);
bool ret_imwrite = false;
ASSERT_NO_THROW(ret_imwrite = cv::imwrite(filenameOutput, img, params));
ASSERT_TRUE(ret_imwrite);
Mat img2;
ASSERT_NO_THROW(img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED));
ASSERT_FALSE(img2.empty());
ASSERT_EQ(img2.type(), img.type());
ASSERT_EQ(img2.size(), img.size());
EXPECT_LE(cvtest::norm(img, img2, NORM_INF | NORM_RELATIVE), 1e-3);
@ -777,7 +812,8 @@ TEST(Imgcodecs_Tiff, read_palette_color_image)
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/test_palette_color_image.tif";
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(filenameInput, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_8UC3, img.type());
}
@ -787,7 +823,8 @@ TEST(Imgcodecs_Tiff, read_4_bit_palette_color_image)
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/4-bit_palette_color.tif";
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(filenameInput, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_8UC3, img.type());
}
@ -825,9 +862,12 @@ TEST(Imgcodecs_Tiff, readWrite_predictor)
params.push_back(IMWRITE_TIFF_PREDICTOR);
params.push_back(IMWRITE_TIFF_PREDICTOR_HORIZONTAL);
EXPECT_NO_THROW(cv::imwrite(out, mat, params));
bool ret_imwrite = false;
ASSERT_NO_THROW(ret_imwrite = cv::imwrite(out, mat, params));
ASSERT_TRUE(ret_imwrite);
const Mat img = cv::imread(out, IMREAD_UNCHANGED);
Mat img;
ASSERT_NO_THROW(img = cv::imread(out, IMREAD_UNCHANGED));
ASSERT_FALSE(img.empty());
ASSERT_EQ(0, cv::norm(mat, img, cv::NORM_INF));

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