mirror of https://github.com/minetest/irrlicht.git
93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
#include "inMemoryFile.h"
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#define CATCH_CONFIG_MAIN
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#include <catch.hpp>
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#include <irrlicht.h>
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class ScopedMesh
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{
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public:
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ScopedMesh(irr::io::IReadFile* file)
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: m_device { irr::createDevice(irr::video::EDT_NULL) }
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, m_mesh { nullptr }
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{
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auto* smgr = m_device->getSceneManager();
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m_mesh = smgr->getMesh(file);
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}
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ScopedMesh(const irr::io::path& filepath)
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: m_device { irr::createDevice(irr::video::EDT_NULL) }
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, m_mesh { nullptr }
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{
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auto* smgr = m_device->getSceneManager();
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m_mesh = smgr->getMesh(filepath, "");
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}
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~ScopedMesh()
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{
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m_device->drop();
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m_mesh = nullptr;
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}
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const irr::scene::IAnimatedMesh* getMesh() const
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{
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return m_mesh;
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}
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private:
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irr::IrrlichtDevice* m_device;
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irr::scene::IAnimatedMesh* m_mesh;
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};
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TEST_CASE("load empty gltf file") {
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irr::io::InMemoryFile filebuf {"test.gltf", ""};
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ScopedMesh sm { &filebuf };
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CHECK(sm.getMesh() == nullptr);
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}
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TEST_CASE("minimal triangle") {
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ScopedMesh sm { "source/Irrlicht/tests/assets/minimal_triangle.gltf" };
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auto* mesh = sm.getMesh();
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REQUIRE(mesh != nullptr);
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REQUIRE(mesh->getMeshBufferCount() == 1);
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auto* meshbuf = mesh->getMeshBuffer(0);
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SECTION("vertex coordinates are correct") {
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REQUIRE(meshbuf->getVertexCount() == 3);
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auto* vertices = reinterpret_cast<irr::video::S3DVertex*>(
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meshbuf->getVertices());
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CHECK(vertices[0].Pos == irr::core::vector3df {0.0f, 0.0f, 0.0f});
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CHECK(vertices[1].Pos == irr::core::vector3df {-1.0f, 0.0f, 0.0f});
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CHECK(vertices[2].Pos == irr::core::vector3df {0.0f, 1.0f, 0.0f});
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}
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SECTION("vertex indices are correct") {
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REQUIRE(meshbuf->getIndexCount() == 3);
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auto* indices = reinterpret_cast<irr::u16*>(meshbuf->getIndices());
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CHECK(indices[0] == 0);
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CHECK(indices[1] == 1);
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CHECK(indices[2] == 2);
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}
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}
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TEST_CASE("mesh loader returns nullptr when given null file pointer") {
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ScopedMesh sm { nullptr };
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CHECK(sm.getMesh() == nullptr);
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}
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TEST_CASE("invalid JSON returns nullptr") {
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SECTION("missing closing brace") {
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irr::io::InMemoryFile filebuf {"test.gltf", "{"};
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ScopedMesh sm { &filebuf };
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CHECK(sm.getMesh() == nullptr);
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}
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SECTION("missing colon") {
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irr::io::InMemoryFile filebuf {"test.gltf", "{\"a\" \"b\"}"};
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ScopedMesh sm { &filebuf };
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CHECK(sm.getMesh() == nullptr);
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}
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}
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