1 files changed, 20 insertions, 0 deletions
diff --git a/src/mind/topology.test.js b/src/mind/topology.test.js
index fbe1862..b272040 100644
--- a/src/mind/topology.test.js
+++ b/src/mind/topology.test.js
@@ -210,3 +210,23 @@ test('memory and input', () => {
 		[ Math.tanh( 2-1 ) ],
 	]);
 });
+
+
+test('input and state must be the correct size', () => {
+	const n = network(2, 1, 1)
+		.connect(0, 2, 1)
+		.connect(1, 2, 1)
+		.connect(2, 3, 1);
+	
+	// wrong input size
+	expect(() => n.compute([], [4])).toThrow();
+	expect(() => n.compute([1], [4])).toThrow();
+	expect(() => n.compute([1, 1, 1], [4])).toThrow();
+
+	// wrong state size
+	expect(() => n.compute([1, 1], [])).toThrow();
+	expect(() => n.compute([1, 1], [4, 4])).toThrow();
+
+	// prove correct sizes work
+	n.compute([1, 1], [4]);
+});