Initial commit for image unit test
This commit is contained in:
Blake Thompson
parent
c3dfda4977
commit
f2b26f5707
1 changed files with 170 additions and 0 deletions
170
test/unit/imaging/image.cpp
Normal file
170
test/unit/imaging/image.cpp
Normal file
|
|
@ -0,0 +1,170 @@
|
|||
#include "catch.hpp"
|
||||
|
||||
// mapnik
|
||||
#include <mapnik/image_any.hpp>
|
||||
#include <mapnik/color.hpp>
|
||||
#include <mapnik/image_view_any.hpp>
|
||||
#include <mapnik/image_util.hpp>
|
||||
|
||||
TEST_CASE("image class") {
|
||||
|
||||
SECTION("test gray8") {
|
||||
|
||||
const mapnik::image_gray8 im(4,4);
|
||||
mapnik::image_gray8 im2(im);
|
||||
mapnik::image_gray8 im3(5,5);
|
||||
|
||||
CHECK(im == im);
|
||||
CHECK_FALSE(im == im2);
|
||||
CHECK_FALSE(im2 == im3);
|
||||
CHECK(im < im3);
|
||||
CHECK_FALSE(im < im2);
|
||||
|
||||
// Check that width is correct
|
||||
CHECK(im.width() == 4);
|
||||
CHECK(im2.width() == 4);
|
||||
|
||||
// Check that height is correct
|
||||
CHECK(im.height() == 4);
|
||||
CHECK(im2.height() == 4);
|
||||
|
||||
CHECK(im(0,0) == 0);
|
||||
CHECK(im2(0,0) == 0);
|
||||
im2(0,0) = 1;
|
||||
CHECK(im2(0,0) == 1);
|
||||
im2.set(2);
|
||||
CHECK(im2(0,0) == 2);
|
||||
CHECK(im2(1,1) == 2);
|
||||
|
||||
// Check that size is correct
|
||||
CHECK(im.size() == 16);
|
||||
CHECK(im2.size() == 16);
|
||||
|
||||
// Check that row_size is correct
|
||||
CHECK(im.row_size() == 4);
|
||||
CHECK(im2.row_size() == 4);
|
||||
|
||||
// Check that get_premultiplied is correct
|
||||
CHECK_FALSE(im.get_premultiplied());
|
||||
CHECK_FALSE(im2.get_premultiplied());
|
||||
|
||||
// Check that offset is correct
|
||||
CHECK(im.get_offset() == 0.0);
|
||||
CHECK(im2.get_offset() == 0.0);
|
||||
|
||||
// Check that set offset works
|
||||
im2.set_offset(2.3);
|
||||
CHECK(im2.get_offset() == 2.3);
|
||||
|
||||
// Check that scaling is correct
|
||||
CHECK(im.get_scaling() == 1.0);
|
||||
CHECK(im2.get_scaling() == 1.0);
|
||||
|
||||
// Check that set scaling works
|
||||
im2.set_scaling(1.1);
|
||||
CHECK(im2.get_scaling() == 1.1);
|
||||
|
||||
// CHECK that image dtype is correct
|
||||
CHECK(im.get_dtype() == mapnik::image_dtype_gray8);
|
||||
CHECK(im2.get_dtype() == mapnik::image_dtype_gray8);
|
||||
|
||||
using pixel_type = mapnik::image_view_gray8::pixel_type;
|
||||
pixel_type expected_val;
|
||||
// Check that all data in the view is correct
|
||||
// IM
|
||||
expected_val = 0;
|
||||
for (std::size_t y = 0; y < im.height(); ++y)
|
||||
{
|
||||
std::size_t width = im.width();
|
||||
pixel_type const* data_1 = im.get_row(y);
|
||||
pixel_type const* data_2 = im.get_row(y, 1);
|
||||
for (std::size_t x = 0; x < width; ++x)
|
||||
{
|
||||
CHECK(*data_1 == expected_val);
|
||||
++data_1;
|
||||
}
|
||||
for (std::size_t x = 1; x < width; ++x)
|
||||
{
|
||||
CHECK(*data_2 == expected_val);
|
||||
++data_2;
|
||||
}
|
||||
}
|
||||
// IM2
|
||||
expected_val = 2;
|
||||
for (std::size_t y = 0; y < im2.height(); ++y)
|
||||
{
|
||||
std::size_t width = im2.width();
|
||||
pixel_type const* data_1 = im2.get_row(y);
|
||||
pixel_type const* data_2 = im2.get_row(y, 1);
|
||||
for (std::size_t x = 0; x < width; ++x)
|
||||
{
|
||||
CHECK(*data_1 == expected_val);
|
||||
++data_1;
|
||||
}
|
||||
for (std::size_t x = 1; x < width; ++x)
|
||||
{
|
||||
CHECK(*data_2 == expected_val);
|
||||
++data_2;
|
||||
}
|
||||
}
|
||||
|
||||
} // END SECTION
|
||||
|
||||
SECTION("image_null")
|
||||
{
|
||||
mapnik::image_null im_null;
|
||||
/* const mapnik::image_view_null view_null2;
|
||||
mapnik::image_view_null view_null3(view_null2);
|
||||
mapnik::image_view_null & view_null4 = view_null3;
|
||||
|
||||
// All nulls are equal
|
||||
CHECK(view_null == view_null4);
|
||||
CHECK(view_null == view_null2);
|
||||
|
||||
// No null is greater
|
||||
CHECK_FALSE(view_null < view_null4);
|
||||
CHECK_FALSE(view_null < view_null2);
|
||||
|
||||
// Check defaults
|
||||
CHECK(view_null.x() == 0);
|
||||
CHECK(view_null.y() == 0);
|
||||
CHECK(view_null.width() == 0);
|
||||
CHECK(view_null.height() == 0);
|
||||
CHECK(view_null.size() == 0);
|
||||
CHECK(view_null.row_size() == 0);
|
||||
CHECK(view_null.get_offset() == 0.0);
|
||||
CHECK(view_null.get_scaling() == 1.0);
|
||||
CHECK(view_null.get_dtype() == mapnik::image_dtype_null);
|
||||
CHECK_FALSE(view_null.get_premultiplied());
|
||||
|
||||
// Should throw if we try to access data.
|
||||
REQUIRE_THROWS(view_null(0,0));
|
||||
|
||||
CHECK(view_null.get_row(0) == nullptr);
|
||||
CHECK(view_null.get_row(0,0) == nullptr);
|
||||
*/
|
||||
} // END SECTION
|
||||
|
||||
SECTION("image any")
|
||||
{
|
||||
/*
|
||||
mapnik::image_view_any im_any_null;
|
||||
CHECK(im_any_null.get_dtype() == mapnik::image_dtype_null);
|
||||
|
||||
mapnik::image_gray8 im(4,4);
|
||||
mapnik::image_view_gray8 im_view(0,0,4,4,im);
|
||||
mapnik::image_view_any im_view_any(im_view);
|
||||
|
||||
CHECK(im_view_any.get_dtype() == mapnik::image_dtype_gray8);
|
||||
CHECK(im_view_any.width() == 4);
|
||||
CHECK(im_view_any.height() == 4);
|
||||
CHECK(im_view_any.size() == 16);
|
||||
CHECK(im_view_any.row_size() == 4);
|
||||
CHECK_FALSE(im_view_any.get_premultiplied());
|
||||
CHECK(im_view_any.get_offset() == 0.0);
|
||||
CHECK(im_view_any.get_scaling() == 1.0);
|
||||
*/
|
||||
} // END SECTION
|
||||
|
||||
} // END TEST CASE
|
||||
|
||||
Loading…
Reference in a new issue