--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Grids/manifolds_test.jl	Wed Apr 24 13:26:30 2024 +0200
@@ -0,0 +1,43 @@
+using Test
+
+using Sbplib.Grids
+using Sbplib.RegionIndices
+using Sbplib.LazyTensors
+
+# using StaticArrays
+
+@testset "HyperBox" begin
+    @test HyperBox([1,1], [2,2]) isa HyperBox{Int, 2}
+
+    @test limits(HyperBox([1,2], [3,4])) == ([1,2], [3,4])
+    @test limits(HyperBox([1,2], [3,4]), 1) == (1,3)
+    @test limits(HyperBox([1,2], [3,4]), 2) == (2,4)
+
+    @test unitinterval() isa HyperBox{Float64,1}
+    @test limits(unitinterval()) == ([0], [1])
+
+    @test unitinterval(Int) isa HyperBox{Int,1}
+    @test limits(unitinterval(Int)) == ([0], [1])
+
+    @test unitsquare() isa HyperBox{Float64,2}
+    @test limits(unitsquare()) == ([0,0],[1,1])
+
+    @test unitcube() isa HyperBox{Float64,3}
+    @test limits(unitcube()) == ([0,0,0],[1,1,1])
+
+    @test unithyperbox(4) isa HyperBox{Float64,4}
+    @test limits(unithyperbox(4)) == ([0,0,0,0],[1,1,1,1])
+end
+
+@testset "Simplex" begin
+    @test Simplex([1,2], [3,4]) isa Simplex{Int, 2}
+    @test Simplex([1,2,3], [4,5,6]) isa Simplex{Int, 3}
+end
+
+@testset "Chart" begin
+
+end
+
+@testset "Atlas" begin
+
+end