diff --git a/test/test_all.scad b/test/test_all.scad
index b0ba0d63..b3e03fd3 100644
--- a/test/test_all.scad
+++ b/test/test_all.scad
@@ -25,6 +25,7 @@ include <test_midpt_smooth.scad>;
 include <test_angle_between.scad>;
 include <test_contours.scad>;
 include <test_in_shape.scad>;
+include <test_lines_intersection.scad>;
 
 // Path
 include <test_bezier_curve.scad>;
diff --git a/test/test_lines_intersection.scad b/test/test_lines_intersection.scad
new file mode 100644
index 00000000..4f710f0f
--- /dev/null
+++ b/test/test_lines_intersection.scad
@@ -0,0 +1,18 @@
+use <lines_intersection.scad>;
+
+module test_lines_intersection() {
+    echo("==== test_lines_intersection ====");
+        
+    line1 = [[0, 0], [0, 10]];
+    line2 = [[5, 0], [-5, 5]];
+    line3 = [[5, 0], [2.5, 5]];
+
+    assert(lines_intersection(line1, line2) == [0, 2.5]);
+    assert(lines_intersection(line1, line3, ext = true) == [0, 10]);
+
+    line4 = [[0, 0, 0], [10, 10, 10]];
+    line5 = [[10, 0, 0], [0, 10, 10]];
+    assert(lines_intersection(line4, line5) == [5, 5, 5]);
+}
+
+test_lines_intersection();
\ No newline at end of file