1 files changed, 31 insertions, 0 deletions
diff --git a/tests/concepts/tmatrixlib.nim b/tests/concepts/tmatrixlib.nim
new file mode 100644
index 000000000..a4ab04061
--- /dev/null
+++ b/tests/concepts/tmatrixlib.nim
@@ -0,0 +1,31 @@
+discard """
+output: "0"
+"""
+
+import matrix, matrixalgo
+
+import typetraits # XXX: this should be removed
+
+var m: Matrix[3, 3, int]
+var projectionMatrix: Matrix[4, 4, float]
+
+echo m.transposed.determinant
+setPerspectiveProjection projectionMatrix
+
+template ok(x) = assert x
+template no(x) = assert(not x)
+
+static:
+  ok projectionMatrix is AnyTransform3D
+  no m is AnyTransform3D
+  
+  type SquareStringMatrix = Matrix[5, 5, string]
+  
+  ok SquareStringMatrix is AnyMatrix
+  ok SquareStringMatrix is AnySquareMatrix
+  no SquareStringMatrix is AnyTransform3D
+  
+  ok Matrix[5, 10, int] is AnyMatrix
+  no Matrix[7, 15, float] is AnySquareMatrix
+  no Matrix[4, 4, int] is AnyTransform3D
+