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Imgcodecs: Implemented simple tests for PAM format

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This commit is contained in:
Dimitrios Katsaros 2016-07-20 15:13:39 +02:00
parent 4e513a3346
commit 41431e11f5
1 changed files with 27 additions and 1 deletions
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28
modules/imgcodecs/test/test_grfmt.cpp
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@ -44,6 +44,7 @@
#include <fstream>
#include <sstream>
#include <iostream>
using namespace cv;
using namespace std;
@ -308,6 +309,7 @@ string ext_from_int(int ext)
#ifdef HAVE_TIFF
if (ext == 3) return ".tiff";
#endif
if (ext == 4) return ".pam";
return "";
}
@ -323,7 +325,7 @@ public:
for (int k = 1; k <= 5; ++k)
{
for (int ext = 0; ext < 4; ++ext) // 0 - png, 1 - bmp, 2 - pgm, 3 - tiff
for (int ext = 0; ext < 5; ++ext) // 0 - png, 1 - bmp, 2 - pgm, 3 - tiff
{
if(ext_from_int(ext).empty())
continue;
@ -1017,3 +1019,27 @@ TEST(Imgcodecs_Hdr, regression)
ASSERT_FALSE(max > DBL_EPSILON);
}
}
TEST(Imgcodecs_Pam, readwrite)
{
string folder = string(cvtest::TS::ptr()->get_data_path()) + "readwrite/";
string filepath = folder + "lena.pam";
cv::Mat img = cv::imread(filepath);
ASSERT_FALSE(img.empty());
std::vector<int> params;
params.push_back(IMWRITE_PAM_TUPLETYPE);
params.push_back(IMWRITE_PAM_FORMAT_RGB);
string writefile = cv::tempfile(".pam");
EXPECT_NO_THROW(cv::imwrite(writefile, img, params));
cv::Mat reread = cv::imread(writefile);
string writefile_no_param = cv::tempfile(".pam");
EXPECT_NO_THROW(cv::imwrite(writefile_no_param, img));
cv::Mat reread_no_param = cv::imread(writefile_no_param);
EXPECT_EQ(0, cvtest::norm(reread, reread_no_param, NORM_INF));
EXPECT_EQ(0, cvtest::norm(img, reread, NORM_INF));
}