wip: code formatting nits continued

test/inRange.spec.js

@@ -0,0 +1,53 @@
+import lodashStable from 'lodash';
+import { falsey, stubTrue } from './utils';
+import inRange from '../src/inRange';
+
+describe('inRange', () => {
+    it('should work with an `end`', () => {
+        expect(inRange(3, 5)).toBe(true);
+        expect(inRange(5, 5)).toBe(false);
+        expect(inRange(6, 5)).toBe(false);
+    });
+
+    it('should work with a `start` and `end`', () => {
+        expect(inRange(1, 1, 5)).toBe(true);
+        expect(inRange(3, 1, 5)).toBe(true);
+        expect(inRange(0, 1, 5)).toBe(false);
+        expect(inRange(5, 1, 5)).toBe(false);
+    });
+
+    it('should treat falsey `start` as `0`', () => {
+        lodashStable.each(falsey, (value, index) => {
+            if (index) {
+                expect(inRange(0, value)).toBe(false);
+                expect(inRange(0, value, 1)).toBe(true);
+            } else {
+                expect(inRange(0)).toBe(false);
+            }
+        });
+    });
+
+    it('should swap `start` and `end` when `start` > `end`', () => {
+        expect(inRange(2, 5, 1)).toBe(true);
+        expect(inRange(-3, -2, -6)).toBe(true);
+    });
+
+    it('should work with a floating point `n` value', () => {
+        expect(inRange(0.5, 5)).toBe(true);
+        expect(inRange(1.2, 1, 5)).toBe(true);
+        expect(inRange(5.2, 5)).toBe(false);
+        expect(inRange(0.5, 1, 5)).toBe(false);
+    });
+
+    it('should coerce arguments to finite numbers', () => {
+        const actual = [
+            inRange(0, '1'),
+            inRange(0, '0', 1),
+            inRange(0, 0, '1'),
+            inRange(0, NaN, 1),
+            inRange(-1, -1, NaN),
+        ];
+
+        expect(actual, lodashStable.map(actual).toEqual(stubTrue));
+    });
+});