mapnik/test/unit/imaging/image_io_test.cpp
2015-04-26 20:23:02 +02:00

130 lines
No EOL
3.7 KiB
C++

#include "catch.hpp"
#include <iostream>
#include <mapnik/image.hpp>
#include <mapnik/image_reader.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/util/fs.hpp>
#include <vector>
#include <algorithm>
#if defined(HAVE_CAIRO)
#include <mapnik/cairo/cairo_context.hpp>
#include <mapnik/cairo/cairo_image_util.hpp>
#endif
TEST_CASE("image io") {
SECTION("readers") {
std::string should_throw;
boost::optional<std::string> type;
try
{
#if defined(HAVE_JPEG)
should_throw = "./test-data/images/blank.jpg";
REQUIRE( mapnik::util::exists( should_throw ) );
type = mapnik::type_from_filename(should_throw);
REQUIRE( type );
try
{
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(should_throw,*type));
REQUIRE( false );
}
catch (std::exception const&)
{
REQUIRE( true );
}
#endif
try
{
mapnik::image_rgba8 im(-10,-10); // should throw rather than overflow
REQUIRE( im.width() < 10 ); // should not get here, but if we did this test should fail
}
catch (std::exception const& ex)
{
REQUIRE( true ); // should hit bad alloc here
}
#if defined(HAVE_CAIRO)
mapnik::cairo_surface_ptr image_surface(
cairo_image_surface_create(CAIRO_FORMAT_ARGB32,256,257),
mapnik::cairo_surface_closer());
mapnik::image_rgba8 im_data(cairo_image_surface_get_width(&*image_surface), cairo_image_surface_get_height(&*image_surface));
im_data.set(1);
REQUIRE( (unsigned)im_data(0,0) == unsigned(1) );
// Should set back to fully transparent
mapnik::cairo_image_to_rgba8(im_data, image_surface);
REQUIRE( (unsigned)im_data(0,0) == unsigned(0) );
#endif
#if defined(HAVE_PNG)
should_throw = "./test-data/images/blank.png";
REQUIRE( mapnik::util::exists( should_throw ) );
type = mapnik::type_from_filename(should_throw);
REQUIRE( type );
try
{
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(should_throw,*type));
REQUIRE( false );
}
catch (std::exception const&)
{
REQUIRE( true );
}
should_throw = "./test-data/images/xcode-CgBI.png";
REQUIRE( mapnik::util::exists( should_throw ) );
type = mapnik::type_from_filename(should_throw);
REQUIRE( type );
try
{
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(should_throw,*type));
REQUIRE( false );
}
catch (std::exception const&)
{
REQUIRE( true );
}
#endif
#if defined(HAVE_TIFF)
should_throw = "./test-data/images/blank.tiff";
REQUIRE( mapnik::util::exists( should_throw ) );
type = mapnik::type_from_filename(should_throw);
REQUIRE( type );
try
{
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(should_throw,*type));
REQUIRE( false );
}
catch (std::exception const&)
{
REQUIRE( true );
}
#endif
#if defined(HAVE_WEBP)
should_throw = "./test-data/images/blank.webp";
REQUIRE( mapnik::util::exists( should_throw ) );
type = mapnik::type_from_filename(should_throw);
REQUIRE( type );
try
{
std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(should_throw,*type));
REQUIRE( false );
}
catch (std::exception const&)
{
REQUIRE( true );
}
#endif
}
catch (std::exception const & ex)
{
std::clog << ex.what() << "\n";
REQUIRE(false);
}
}
}