From 5c2f2e92eb27489b084f51f12d8e1ab121315bee Mon Sep 17 00:00:00 2001
From: Krist Wongsuphasawat <krist.wongz@gmail.com>
Date: Thu, 23 Jul 2020 18:39:36 -0700
Subject: [PATCH] test: last unit test

---
 packages/vx-scale/test/scaleTime.test.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/vx-scale/test/scaleTime.test.ts b/packages/vx-scale/test/scaleTime.test.ts
index b6069d842..71673bf01 100644
--- a/packages/vx-scale/test/scaleTime.test.ts
+++ b/packages/vx-scale/test/scaleTime.test.ts
@@ -67,6 +67,10 @@ describe('scaleTime()', () => {
       const scale = scaleTime({ domain: unniceDomain, nice: { interval: 'hour', step: 3 } });
       expect(scale.domain()).toEqual([new Date(2020, 0, 1), new Date(2020, 0, 9, 21)]);
     });
+    it('invalid nice object', () => {
+      const scale = scaleTime({ domain: unniceDomain, nice: { interval: 'hour', step: NaN } });
+      expect(scale.domain()).toEqual(unniceDomain);
+    });
   });
   describe('set round', () => {
     it('true', () => {