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#include <SFML/Graphics/RenderStates.hpp>
#include <catch2/catch_test_macros.hpp>
#include <GraphicsUtil.hpp>
#include <type_traits>
TEST_CASE("[Graphics] sf::RenderStates")
{
SECTION("Type traits")
{
STATIC_CHECK(std::is_copy_constructible_v<sf::RenderStates>);
STATIC_CHECK(std::is_copy_assignable_v<sf::RenderStates>);
STATIC_CHECK(std::is_nothrow_move_constructible_v<sf::RenderStates>);
STATIC_CHECK(std::is_nothrow_move_assignable_v<sf::RenderStates>);
}
SECTION("Construction")
{
SECTION("Default constructor")
{
const sf::RenderStates renderStates;
CHECK(renderStates.blendMode == sf::BlendMode());
CHECK(renderStates.stencilMode == sf::StencilMode{});
CHECK(renderStates.transform == sf::Transform());
CHECK(renderStates.coordinateType == sf::CoordinateType::Pixels);
CHECK(renderStates.texture == nullptr);
CHECK(renderStates.shader == nullptr);
}
SECTION("BlendMode constructor")
{
const sf::BlendMode blendMode(sf::BlendMode::Factor::Zero,
sf::BlendMode::Factor::SrcColor,
sf::BlendMode::Equation::ReverseSubtract,
sf::BlendMode::Factor::OneMinusDstAlpha,
sf::BlendMode::Factor::DstAlpha,
sf::BlendMode::Equation::Max);
const sf::RenderStates renderStates(blendMode);
CHECK(renderStates.blendMode == blendMode);
CHECK(renderStates.stencilMode == sf::StencilMode{});
CHECK(renderStates.transform == sf::Transform());
CHECK(renderStates.coordinateType == sf::CoordinateType::Pixels);
CHECK(renderStates.texture == nullptr);
CHECK(renderStates.shader == nullptr);
}
SECTION("StencilMode constructor")
{
const sf::StencilMode stencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Replace, 1, 0u, true};
const sf::RenderStates renderStates(stencilMode);
CHECK(renderStates.blendMode == sf::BlendMode());
CHECK(renderStates.stencilMode == stencilMode);
CHECK(renderStates.transform == sf::Transform());
CHECK(renderStates.texture == nullptr);
CHECK(renderStates.shader == nullptr);
}
SECTION("Transform constructor")
{
const sf::Transform transform(10, 9, 8, 7, 6, 5, 4, 3, 2);
const sf::RenderStates renderStates(transform);
CHECK(renderStates.blendMode == sf::BlendMode());
CHECK(renderStates.stencilMode == sf::StencilMode{});
CHECK(renderStates.transform == transform);
CHECK(renderStates.coordinateType == sf::CoordinateType::Pixels);
CHECK(renderStates.texture == nullptr);
CHECK(renderStates.shader == nullptr);
}
SECTION("Texture constructor")
{
const sf::Texture* texture = nullptr;
const sf::RenderStates renderStates(texture);
CHECK(renderStates.blendMode == sf::BlendMode());
CHECK(renderStates.stencilMode == sf::StencilMode{});
CHECK(renderStates.transform == sf::Transform());
CHECK(renderStates.coordinateType == sf::CoordinateType::Pixels);
CHECK(renderStates.texture == texture);
CHECK(renderStates.shader == nullptr);
}
SECTION("Shader constructor")
{
const sf::Shader* shader = nullptr;
const sf::RenderStates renderStates(shader);
CHECK(renderStates.blendMode == sf::BlendMode());
CHECK(renderStates.stencilMode == sf::StencilMode{});
CHECK(renderStates.transform == sf::Transform());
CHECK(renderStates.coordinateType == sf::CoordinateType::Pixels);
CHECK(renderStates.texture == nullptr);
CHECK(renderStates.shader == shader);
}
SECTION("Verbose constructor")
{
const sf::BlendMode blendMode(sf::BlendMode::Factor::One,
sf::BlendMode::Factor::SrcColor,
sf::BlendMode::Equation::ReverseSubtract,
sf::BlendMode::Factor::OneMinusDstAlpha,
sf::BlendMode::Factor::DstAlpha,
sf::BlendMode::Equation::Max);
const sf::StencilMode stencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Replace, 1, 0u, true};
const sf::Transform transform(10, 2, 3, 4, 50, 40, 30, 20, 10);
const sf::RenderStates renderStates(blendMode, stencilMode, transform, sf::CoordinateType::Normalized, nullptr, nullptr);
CHECK(renderStates.blendMode == blendMode);
CHECK(renderStates.stencilMode == stencilMode);
CHECK(renderStates.transform == transform);
CHECK(renderStates.coordinateType == sf::CoordinateType::Normalized);
CHECK(renderStates.texture == nullptr);
CHECK(renderStates.shader == nullptr);
}
}
SECTION("Default constant")
{
CHECK(sf::RenderStates::Default.blendMode == sf::BlendMode());
CHECK(sf::RenderStates::Default.stencilMode == sf::StencilMode{});
CHECK(sf::RenderStates::Default.transform == sf::Transform());
CHECK(sf::RenderStates::Default.coordinateType == sf::CoordinateType::Pixels);
CHECK(sf::RenderStates::Default.texture == nullptr);
CHECK(sf::RenderStates::Default.shader == nullptr);
}
}
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