wip: code formatting nits continued

test/isLength.spec.js

@@ -0,0 +1,21 @@
+import lodashStable from 'lodash';
+import { MAX_SAFE_INTEGER, stubTrue, stubFalse } from './utils';
+import isLength from '../src/isLength';
+
+describe('isLength', () => {
+    it('should return `true` for lengths', () => {
+        const values = [0, 3, MAX_SAFE_INTEGER];
+        const expected = lodashStable.map(values, stubTrue);
+        const actual = lodashStable.map(values, isLength);
+
+        expect(actual).toEqual(expected);
+    });
+
+    it('should return `false` for non-lengths', () => {
+        const values = [-1, '1', 1.1, MAX_SAFE_INTEGER + 1];
+        const expected = lodashStable.map(values, stubFalse);
+        const actual = lodashStable.map(values, isLength);
+
+        expect(actual).toEqual(expected);
+    });
+});