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Add tests for sf::RenderTarget

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This commit is contained in:
Chris Thrasher 2023-08-27 23:03:42 -06:00
parent f6612dd1f0
commit 0a3b0d1d16
1 changed files with 129 additions and 5 deletions
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134
test/Graphics/RenderTarget.test.cpp
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@ -1,9 +1,133 @@
#include <SFML/Graphics/RenderTarget.hpp>
#include <catch2/catch_test_macros.hpp>
#include <catch2/matchers/catch_matchers_floating_point.hpp>
#include <SystemUtil.hpp>
#include <type_traits>
static_assert(!std::is_constructible_v<sf::RenderTarget>);
static_assert(!std::is_copy_constructible_v<sf::RenderTarget>);
static_assert(!std::is_copy_assignable_v<sf::RenderTarget>);
static_assert(!std::is_nothrow_move_constructible_v<sf::RenderTarget>);
static_assert(!std::is_nothrow_move_assignable_v<sf::RenderTarget>);
class RenderTarget : public sf::RenderTarget
{
sf::Vector2u getSize() const override
{
return {640, 480};
}
};
TEST_CASE("[Graphics] sf::RenderTarget")
{
SECTION("Type traits")
{
STATIC_CHECK(!std::is_constructible_v<sf::RenderTarget>);
STATIC_CHECK(!std::is_copy_constructible_v<sf::RenderTarget>);
STATIC_CHECK(!std::is_copy_assignable_v<sf::RenderTarget>);
STATIC_CHECK(!std::is_nothrow_move_constructible_v<sf::RenderTarget>);
STATIC_CHECK(!std::is_nothrow_move_assignable_v<sf::RenderTarget>);
}
SECTION("Construction")
{
const RenderTarget renderTarget;
CHECK(renderTarget.getView().getCenter() == sf::Vector2f(500, 500));
CHECK(renderTarget.getView().getSize() == sf::Vector2f(1000, 1000));
CHECK(renderTarget.getView().getRotation() == sf::Angle::Zero);
CHECK(renderTarget.getView().getViewport() == sf::FloatRect({0, 0}, {1, 1}));
CHECK(renderTarget.getView().getTransform() == sf::Transform(.002f, 0, -1, 0, -.002f, 1, 0, 0, 1));
CHECK(renderTarget.getDefaultView().getCenter() == sf::Vector2f(500, 500));
CHECK(renderTarget.getDefaultView().getSize() == sf::Vector2f(1000, 1000));
CHECK(renderTarget.getDefaultView().getRotation() == sf::Angle::Zero);
CHECK(renderTarget.getDefaultView().getViewport() == sf::FloatRect({0, 0}, {1, 1}));
CHECK(renderTarget.getDefaultView().getTransform() == sf::Transform(.002f, 0, -1, 0, -.002f, 1, 0, 0, 1));
CHECK(!renderTarget.isSrgb());
}
SECTION("Set/get view")
{
RenderTarget renderTarget;
renderTarget.setView({{1, 2}, {3, 4}});
CHECK(renderTarget.getView().getCenter() == sf::Vector2f(1, 2));
CHECK(renderTarget.getView().getSize() == sf::Vector2f(3, 4));
}
SECTION("setActive()")
{
RenderTarget renderTarget;
CHECK(renderTarget.setActive());
CHECK(renderTarget.setActive(false));
CHECK(renderTarget.setActive(true));
}
SECTION("getViewport(const View&)")
{
const auto makeView = [](const auto& viewport)
{
sf::View view;
view.setViewport(viewport);
return view;
};
const RenderTarget renderTarget;
CHECK(renderTarget.getViewport(makeView(sf::FloatRect({0, 0}, {1, 1}))) == sf::IntRect({0, 0}, {640, 480}));
CHECK(renderTarget.getViewport(makeView(sf::FloatRect({1, 1}, {.5f, .25f}))) ==
sf::IntRect({640, 480}, {320, 120}));
CHECK(renderTarget.getViewport(makeView(sf::FloatRect({.5f, .5f}, {.25f, .75f}))) ==
sf::IntRect({320, 240}, {160, 360}));
}
SECTION("mapPixelToCoords(const Vector2i&)")
{
sf::View view;
view.move({5, 5});
view.setViewport(sf::FloatRect({0, 0}, {.5f, 1}));
RenderTarget renderTarget;
renderTarget.setView(view);
const auto [x1, y1] = renderTarget.mapPixelToCoords({0, 0});
CHECK_THAT(x1, Catch::Matchers::WithinRel(5, 1e-4));
CHECK_THAT(y1, Catch::Matchers::WithinRel(5, 1e-4));
const auto [x2, y2] = renderTarget.mapPixelToCoords({1, 1});
CHECK_THAT(x2, Catch::Matchers::WithinRel(8.125, 1e-4));
CHECK_THAT(y2, Catch::Matchers::WithinRel(7.0833, 1e-4));
const auto [x3, y3] = renderTarget.mapPixelToCoords({320, 240});
CHECK_THAT(x3, Catch::Matchers::WithinRel(1005, 1e-5));
CHECK_THAT(y3, Catch::Matchers::WithinRel(505, 1e-5));
}
SECTION("mapPixelToCoords(const Vector2i&, const View&)")
{
sf::View view;
view.move({5, 5});
view.setViewport(sf::FloatRect({.5f, .5f}, {.5f, 1}));
const RenderTarget renderTarget;
const auto [x1, y1] = renderTarget.mapPixelToCoords({0, 0}, view);
CHECK_THAT(x1, Catch::Matchers::WithinRel(-995, 1e-5));
CHECK_THAT(y1, Catch::Matchers::WithinRel(-495, 1e-5));
const auto [x2, y2] = renderTarget.mapPixelToCoords({320, 480}, view);
CHECK_THAT(x2, Catch::Matchers::WithinAbs(5, 1e-4));
CHECK_THAT(y2, Catch::Matchers::WithinRel(505, 1e-5));
}
SECTION("mapCoordsToPixel(const Vector2f&)")
{
sf::View view;
view.move({5, 5});
view.setViewport(sf::FloatRect({.25f, 0}, {1, 1}));
RenderTarget renderTarget;
renderTarget.setView(view);
CHECK(renderTarget.mapCoordsToPixel({0, 0}) == sf::Vector2i(156, -2));
CHECK(renderTarget.mapCoordsToPixel({-500, 0}) == sf::Vector2i(-163, -2));
CHECK(renderTarget.mapCoordsToPixel({0, -250}) == sf::Vector2i(156, -122));
}
SECTION("mapCoordsToPixel(const Vector2f&, const View&)")
{
sf::View view;
view.move({5, 5});
view.setViewport(sf::FloatRect({0, 0}, {.5, .25f}));
RenderTarget renderTarget;
renderTarget.setView(view);
CHECK(renderTarget.mapCoordsToPixel({0, 0}) == sf::Vector2i(-1, 0));
CHECK(renderTarget.mapCoordsToPixel({320, 0}) == sf::Vector2i(100, 0));
CHECK(renderTarget.mapCoordsToPixel({0, 480}) == sf::Vector2i(-1, 57));
CHECK(renderTarget.mapCoordsToPixel({640, 480}) == sf::Vector2i(203, 57));
}
}