From dcee24278ed28d21cd3addffeeb8e5f9f7248602 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 17 Feb 2026 18:29:22 +0100
Subject: End of day

---
 lib/core/tests/memory.cpp    | 18 ++++++++++++++++++
 lib/core/tests/particles.cpp | 23 +++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 lib/core/tests/memory.cpp

(limited to 'lib/core/tests')

diff --git a/lib/core/tests/memory.cpp b/lib/core/tests/memory.cpp
new file mode 100644
index 0000000..27cd938
--- /dev/null
+++ b/lib/core/tests/memory.cpp
@@ -0,0 +1,18 @@
+#include <forstio/test/suite.hpp>
+
+#include "../c++/memory.hpp"
+
+namespace {
+namespace sch {
+using namespace saw::schema;
+}
+
+SAW_TEST("Memory Estimate"){
+	using namespace kel::lbm;
+
+	SAW_EXPECT((memory_estimate<sch::Float32>().get() == 4u), std::string{"Float32 isn't 4 bytes, but "} + std::to_string(memory_estimate<sch::Float32>().get()) );
+	SAW_EXPECT((memory_estimate<sch::FixedArray<sch::Float32,5u,3u>>().get() == 60u), "FixedArray<Float32,5u,3u> isn't 60 bytes");
+	SAW_EXPECT((memory_estimate<sch::FixedArray<sch::Float32,5u,3u>, sch::UInt8>().get() == 61u), "FixedArray<Float32,5u,3u> + UInt8 isn't 61 bytes");
+}
+
+}
diff --git a/lib/core/tests/particles.cpp b/lib/core/tests/particles.cpp
index b2581f7..fcca19a 100644
--- a/lib/core/tests/particles.cpp
+++ b/lib/core/tests/particles.cpp
@@ -150,6 +150,29 @@ SAW_TEST("Moving particles 2D"){
 	SAW_EXPECT(has_collided, "Expecting collision within those steps");
 }
 
+SAW_TEST("Particle Matrix Rotation"){
+	using namespace kel;
+
+	saw::data<sch::Particle<sch::T,2u>> part_a;
+	{
+		auto& body = part_a.template get<"rigid_body">();
+		auto& pos = body.template get<"position">();
+		auto& pos_old = body.template get<"position_old">();
+		auto& coll = part_a.template get<"collision">();
+		auto& radius = coll.template get<"radius">();
+		auto& acc = body.template get<"acceleration">();
+
+		radius.set(1.0);
+
+		pos.at({{0u}}) = -5.0;
+		pos.at({{1u}}) = 0.2;
+		pos_old = pos;
+	}
+
+	
+
+}
+
 SAW_TEST("Particle Collision Impulse"){
 	using namespace kel;
 
-- 
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