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92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
//
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// Copyright 2019-2020 Mateusz Loskot <mateusz at loskot dot net>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/gil.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include "test_fixture.hpp"
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#include "test_utility_output_stream.hpp"
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#include "core/pixel/test_fixture.hpp"
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namespace gil = boost::gil;
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namespace fixture = boost::gil::test::fixture;
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// Test cases of memory leak potential for image created with empty dimensions,
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// see https://github.com/boostorg/gil/pull/649
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// The main goal of these test cases is to trigger any memory leak detectors.
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void test_default_constructor()
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{
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boost::gil::rgb8_image_t image;
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BOOST_TEST_EQ(image.width(), 0);
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BOOST_TEST_EQ(image.height(), 0);
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}
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void test_copy_constructor_with_empty_image()
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{
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boost::gil::rgb8_image_t image1;
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boost::gil::rgb8_image_t image2(image1);
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BOOST_TEST_EQ(image2.width(), 0);
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BOOST_TEST_EQ(image2.height(), 0);
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}
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struct test_constructor_with_empty_dimensions
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{
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template <typename Image>
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void operator()(Image const &)
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{
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using image_t = Image;
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image_t image(0, 0);
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BOOST_TEST_EQ(image.width(), 0);
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BOOST_TEST_EQ(image.height(), 0);
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}
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static void run()
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{
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boost::mp11::mp_for_each<fixture::image_types>(test_constructor_with_empty_dimensions{});
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}
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};
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struct test_constructor_with_empty_dimensions_with_pixel
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{
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template <typename Image>
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void operator()(Image const &)
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{
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using image_t = Image;
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gil::point_t const dimensions{0, 0};
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using pixel_t = typename image_t::view_t::value_type;
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pixel_t const rnd_pixel = fixture::pixel_generator<pixel_t>::random();
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image_t image(dimensions, rnd_pixel);
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BOOST_TEST_EQ(image.width(), dimensions.x);
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BOOST_TEST_EQ(image.height(), dimensions.y);
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bool none_visited = true;
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for (pixel_t const &p : gil::view(image))
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{
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none_visited = false;
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BOOST_TEST_EQ(p, rnd_pixel);
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}
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BOOST_TEST(none_visited);
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}
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static void run()
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{
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boost::mp11::mp_for_each<fixture::image_types>(test_constructor_with_empty_dimensions_with_pixel{});
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}
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};
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int main()
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{
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test_default_constructor();
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test_copy_constructor_with_empty_image();
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test_constructor_with_empty_dimensions::run();
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test_constructor_with_empty_dimensions_with_pixel::run();
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return ::boost::report_errors();
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}
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