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#include <SFML/Graphics/VertexBuffer.hpp>
// Other 1st party headers
#include <SFML/Graphics/Vertex.hpp>
#include <catch2/catch_test_macros.hpp>
#include <GraphicsUtil.hpp>
#include <array>
#include <type_traits>
// Skip these tests with [.display] because they produce flakey failures in CI when using xvfb-run
TEST_CASE("[Graphics] sf::VertexBuffer", "[.display]")
{
SECTION("Type traits")
{
STATIC_CHECK(std::is_copy_constructible_v<sf::VertexBuffer>);
STATIC_CHECK(std::is_copy_assignable_v<sf::VertexBuffer>);
STATIC_CHECK(std::is_move_constructible_v<sf::VertexBuffer>);
STATIC_CHECK(!std::is_nothrow_move_constructible_v<sf::VertexBuffer>);
STATIC_CHECK(std::is_move_assignable_v<sf::VertexBuffer>);
STATIC_CHECK(!std::is_nothrow_move_assignable_v<sf::VertexBuffer>);
STATIC_CHECK(std::is_nothrow_swappable_v<sf::VertexBuffer>);
}
// Skip tests if vertex buffers aren't available
if (!sf::VertexBuffer::isAvailable())
return;
SECTION("Construction")
{
SECTION("Default constructor")
{
const sf::VertexBuffer vertexBuffer;
CHECK(vertexBuffer.getVertexCount() == 0);
CHECK(vertexBuffer.getNativeHandle() == 0);
CHECK(vertexBuffer.getPrimitiveType() == sf::PrimitiveType::Points);
CHECK(vertexBuffer.getUsage() == sf::VertexBuffer::Usage::Stream);
}
SECTION("Primitive type constructor")
{
const sf::VertexBuffer vertexBuffer(sf::PrimitiveType::Triangles);
CHECK(vertexBuffer.getVertexCount() == 0);
CHECK(vertexBuffer.getNativeHandle() == 0);
CHECK(vertexBuffer.getPrimitiveType() == sf::PrimitiveType::Triangles);
CHECK(vertexBuffer.getUsage() == sf::VertexBuffer::Usage::Stream);
}
SECTION("Usage constructor")
{
const sf::VertexBuffer vertexBuffer(sf::VertexBuffer::Usage::Static);
CHECK(vertexBuffer.getVertexCount() == 0);
CHECK(vertexBuffer.getNativeHandle() == 0);
CHECK(vertexBuffer.getPrimitiveType() == sf::PrimitiveType::Points);
CHECK(vertexBuffer.getUsage() == sf::VertexBuffer::Usage::Static);
}
SECTION("Primitive type and usage constructor")
{
const sf::VertexBuffer vertexBuffer(sf::PrimitiveType::LineStrip, sf::VertexBuffer::Usage::Dynamic);
CHECK(vertexBuffer.getVertexCount() == 0);
CHECK(vertexBuffer.getNativeHandle() == 0);
CHECK(vertexBuffer.getPrimitiveType() == sf::PrimitiveType::LineStrip);
CHECK(vertexBuffer.getUsage() == sf::VertexBuffer::Usage::Dynamic);
}
}
SECTION("Copy semantics")
{
const sf::VertexBuffer vertexBuffer(sf::PrimitiveType::LineStrip, sf::VertexBuffer::Usage::Dynamic);
SECTION("Construction")
{
const sf::VertexBuffer vertexBufferCopy(vertexBuffer); // NOLINT(performance-unnecessary-copy-initialization)
CHECK(vertexBufferCopy.getVertexCount() == 0);
CHECK(vertexBufferCopy.getNativeHandle() == 0);
CHECK(vertexBufferCopy.getPrimitiveType() == sf::PrimitiveType::LineStrip);
CHECK(vertexBufferCopy.getUsage() == sf::VertexBuffer::Usage::Dynamic);
}
SECTION("Assignment")
{
sf::VertexBuffer vertexBufferCopy;
vertexBufferCopy = vertexBuffer;
CHECK(vertexBufferCopy.getVertexCount() == 0);
CHECK(vertexBufferCopy.getNativeHandle() == 0);
CHECK(vertexBufferCopy.getPrimitiveType() == sf::PrimitiveType::LineStrip);
CHECK(vertexBufferCopy.getUsage() == sf::VertexBuffer::Usage::Dynamic);
}
}
SECTION("create()")
{
sf::VertexBuffer vertexBuffer;
CHECK(vertexBuffer.create(100));
CHECK(vertexBuffer.getVertexCount() == 100);
}
SECTION("update()")
{
sf::VertexBuffer vertexBuffer;
std::array<sf::Vertex, 128> vertices{};
SECTION("Vertices")
{
SECTION("Uninitialized buffer")
{
CHECK(!vertexBuffer.update(vertices.data()));
}
CHECK(vertexBuffer.create(128));
SECTION("Null vertices")
{
CHECK(!vertexBuffer.update(nullptr));
}
CHECK(vertexBuffer.update(vertices.data()));
CHECK(vertexBuffer.getVertexCount() == 128);
CHECK(vertexBuffer.getNativeHandle() != 0);
}
SECTION("Vertices, count, and offset")
{
CHECK(vertexBuffer.create(128));
SECTION("Count + offset too large")
{
CHECK(!vertexBuffer.update(vertices.data(), 100, 100));
}
CHECK(vertexBuffer.update(vertices.data(), 128, 0));
CHECK(vertexBuffer.getVertexCount() == 128);
}
SECTION("Another buffer")
{
sf::VertexBuffer otherVertexBuffer;
CHECK(!vertexBuffer.update(otherVertexBuffer));
CHECK(otherVertexBuffer.create(42));
CHECK(!vertexBuffer.update(otherVertexBuffer));
}
}
SECTION("swap()")
{
sf::VertexBuffer vertexBuffer1(sf::PrimitiveType::LineStrip, sf::VertexBuffer::Usage::Dynamic);
CHECK(vertexBuffer1.create(50));
sf::VertexBuffer vertexBuffer2(sf::PrimitiveType::TriangleStrip, sf::VertexBuffer::Usage::Stream);
CHECK(vertexBuffer2.create(60));
sf::swap(vertexBuffer1, vertexBuffer2);
CHECK(vertexBuffer1.getVertexCount() == 60);
CHECK(vertexBuffer1.getNativeHandle() != 0);
CHECK(vertexBuffer1.getPrimitiveType() == sf::PrimitiveType::TriangleStrip);
CHECK(vertexBuffer1.getUsage() == sf::VertexBuffer::Usage::Stream);
CHECK(vertexBuffer2.getVertexCount() == 50);
CHECK(vertexBuffer2.getNativeHandle() != 0);
CHECK(vertexBuffer2.getPrimitiveType() == sf::PrimitiveType::LineStrip);
CHECK(vertexBuffer2.getUsage() == sf::VertexBuffer::Usage::Dynamic);
}
SECTION("Set/get primitive type")
{
sf::VertexBuffer vertexBuffer;
vertexBuffer.setPrimitiveType(sf::PrimitiveType::TriangleFan);
CHECK(vertexBuffer.getPrimitiveType() == sf::PrimitiveType::TriangleFan);
}
SECTION("Set/get usage")
{
sf::VertexBuffer vertexBuffer;
vertexBuffer.setUsage(sf::VertexBuffer::Usage::Dynamic);
CHECK(vertexBuffer.getUsage() == sf::VertexBuffer::Usage::Dynamic);
}
}
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