Additions to runtests.jl and changelog

Added tests for tet_x_plane!() to runtest.jl
Added progress to CHANGELOG

Author: Liameloy

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## Future Release 
+
+### Fixed
+
+- Reworked `tet_x_plane!()` to improve tetrahedron-plane-crosssection
+
 ## [3.0.0] - 2025-03-03
 
 ### Changed

src/marching.jl

@@ -35,7 +35,6 @@ function tet_x_plane!(
         tol = 0.0
     )
 
-
     debug = false
 
     # If all nodes lie on one side of the plane, no intersection

test/runtests.jl

@@ -3,6 +3,21 @@ using Test, Documenter, GridVisualizeTools, ColorTypes, Colors
 DocMeta.setdocmeta!(GridVisualizeTools, :DocTestSetup, :(using GridVisualizeTools, ColorTypes, Colors); recursive = true)
 doctest(GridVisualizeTools)
 
+
+@testset "tet_x_plane" begin
+    #Testing amount of intersected edges of unit-tetrahedron with plane x+y-1=0
+    @test GridVisualizeTools.tet_x_plane!(
+        [0.0 0.0 0.0 0.0 0.0 0.0; 0.0 0.0 0.0 0.0 0.0 0.0; 0.0 0.0 0.0 0.0 0.0 0.0],
+        [0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+        [0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0; 0.0 0.0 1.0 1.0 0.0 0.0 1.0 1.0; 0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0],
+        Int32[1, 2, 4, 8],
+        [-1.0, 0.0, 1.0, 1.0],
+        [0, 0, 0, 0, 0, 0, 0, 1],
+        tol = 1.0e-12
+    ) == 3
+end
+
+
 if isdefined(Docs, :undocumented_names) # >=1.11
     @testset "UndocumentedNames" begin
         @test isempty(Docs.undocumented_names(GridVisualizeTools))