feat: the kata machine

src/__tests__/array-list.ts

@@ -0,0 +1,34 @@
+import ArrayList from "@code/array-list";
+
+test("array-list", function() {
+    const list = new ArrayList<number>(3);
+
+    list.add(5);
+    list.add(7);
+    list.add(9);
+
+    expect(list.remove()).toEqual(5);
+    expect(list.length).toEqual(2);
+
+    list.add(11);
+    expect(list.remove()).toEqual(7);
+    expect(list.remove()).toEqual(9);
+    expect(list.remove()).toEqual(11);
+    expect(list.remove()).toEqual(undefined);
+    expect(list.length).toEqual(0);
+
+    list.add(5);
+    list.add(7);
+    list.add(9);
+    expect(list.length).toEqual(3);
+    expect(list.removeAt(1)).toEqual(7);
+    expect(list.capacity).toEqual(3);
+
+    list.add(11);
+    list.add(13);
+    expect(list.length).toEqual(5);
+    expect(list.capacity).toEqual(6);
+});
+
+
+