test: add zoom (WIP)

Author: nobkd

test/map/utils/zoom.test.ts

@@ -1,3 +1,18 @@
 import { describe, it } from 'vitest';
+import { getMapZoom } from '../../../src/map/utils/zoom';
 
-describe.concurrent('', () => {});
+describe.concurrent('', () => {
+    it('zoom > 19', ({expect}) => {
+        const res = getMapZoom(1);
+        
+        expect(res).toBeTypeOf('number');
+        expect(res).toBe(19);
+    });
+
+    it('zoom < 0', ({expect}) => {
+        const res = getMapZoom(100000000);
+        
+        expect(res).toBeTypeOf('number');
+        expect(res).toBe(0);
+    });
+});