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XCEngine/tests/Resources/GaussianSplat/test_gaussian_splat.cpp

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#include <gtest/gtest.h>
#include <XCEngine/Core/Math/Bounds.h>
#include <XCEngine/Resources/GaussianSplat/GaussianSplat.h>
using namespace XCEngine::Resources;
using namespace XCEngine::Math;
namespace {
TEST(GaussianSplat, CreateOwnedStoresMetadataSectionsAndPayload) {
GaussianSplat gaussianSplat;
GaussianSplatMetadata metadata;
metadata.contentVersion = 7u;
metadata.splatCount = 2u;
metadata.bounds.SetMinMax(Vector3(-1.0f, -2.0f, -3.0f), Vector3(4.0f, 5.0f, 6.0f));
metadata.positionFormat = GaussianSplatSectionFormat::VectorFloat32;
metadata.otherFormat = GaussianSplatSectionFormat::OtherFloat32;
metadata.colorFormat = GaussianSplatSectionFormat::ColorRGBA32F;
metadata.shFormat = GaussianSplatSectionFormat::SHFloat32;
XCEngine::Containers::Array<GaussianSplatSection> sections;
sections.PushBack(GaussianSplatSection{
GaussianSplatSectionType::Positions,
GaussianSplatSectionFormat::VectorFloat32,
0u,
24u,
2u,
12u
});
XCEngine::Containers::Array<XCEngine::Core::uint8> payload;
payload.Resize(24u);
for (size_t index = 0; index < payload.Size(); ++index) {
payload[index] = static_cast<XCEngine::Core::uint8>(index);
}
ASSERT_TRUE(gaussianSplat.CreateOwned(metadata, std::move(sections), std::move(payload)));
EXPECT_TRUE(gaussianSplat.IsValid());
EXPECT_EQ(gaussianSplat.GetType(), ResourceType::GaussianSplat);
EXPECT_EQ(gaussianSplat.GetContentVersion(), 7u);
EXPECT_EQ(gaussianSplat.GetSplatCount(), 2u);
EXPECT_EQ(gaussianSplat.GetBounds().GetMin(), Vector3(-1.0f, -2.0f, -3.0f));
EXPECT_EQ(gaussianSplat.GetBounds().GetMax(), Vector3(4.0f, 5.0f, 6.0f));
ASSERT_NE(gaussianSplat.FindSection(GaussianSplatSectionType::Positions), nullptr);
EXPECT_EQ(gaussianSplat.GetPayloadSize(), 24u);
EXPECT_NE(gaussianSplat.GetSectionData(GaussianSplatSectionType::Positions), nullptr);
}
TEST(GaussianSplat, RejectsInvalidSectionLayout) {
GaussianSplat gaussianSplat;
GaussianSplatMetadata metadata;
metadata.splatCount = 1u;
XCEngine::Containers::Array<GaussianSplatSection> sections;
sections.PushBack(GaussianSplatSection{
GaussianSplatSectionType::Positions,
GaussianSplatSectionFormat::VectorFloat32,
16u,
16u,
1u,
12u
});
XCEngine::Containers::Array<XCEngine::Core::uint8> payload;
payload.Resize(24u);
EXPECT_FALSE(gaussianSplat.CreateOwned(metadata, std::move(sections), std::move(payload)));
}
} // namespace