1 files changed, 25 insertions, 0 deletions
diff --git a/src/genome/genome.test.js b/src/genome/genome.test.js
index 11b2d31..d7dbe72 100644
--- a/src/genome/genome.test.js
+++ b/src/genome/genome.test.js
@@ -7,6 +7,7 @@ import {
   mut_gene_sink,
   mut_gene_weight,
   mut_genome_expand,
+  mut_genome_insert,
 } from './genome';
 
 
@@ -161,3 +162,27 @@ test('expand genome', () => {
     ],
   ]);
 });
+
+
+test('insert new genes', () => {
+  const n_input = 1;
+  const n_internal = 2;
+  const n_output = 1;
+  const weight_max = 4;
+
+  expect(mut_genome_insert([
+    n_input, n_internal, n_output,
+    []
+  ], weight_max, 0, 0.5, 0)).toEqual([
+    n_input, n_internal, n_output,
+    [[0, 2, -4]]
+  ]);
+
+  expect(mut_genome_insert([
+    n_input, n_internal, n_output,
+    [[0, 2, -4]]
+  ], weight_max, 0.99, 0, 1)).toEqual([
+    n_input, n_internal, n_output,
+    [[0, 2, -4], [2, 1, 4]]
+  ]);
+});