From e49dff508812650649c003ef08c0616ff3cd7451 Mon Sep 17 00:00:00 2001
From: Vincent Driessen <me@nvie.com>
Date: Tue, 28 May 2019 11:05:39 +0200
Subject: [PATCH] Split up tests

---
 src/__tests__/object.test.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/__tests__/object.test.js b/src/__tests__/object.test.js
index c7766bab..b371abf6 100644
--- a/src/__tests__/object.test.js
+++ b/src/__tests__/object.test.js
@@ -124,13 +124,18 @@ describe('arrays are not objects', () => {
         expect(guard(decoder2)({ what: 'ever' })).toEqual({});
     });
 
-    it('invalid', () => {
+    it('invalid (basic types)', () => {
         expect(() => guard(decoder1)([])).toThrow('Must be an object');
         expect(() => guard(decoder2)([])).toThrow('Must be an object');
         expect(() => guard(decoder1)('an string')).toThrow('Must be an object');
         expect(() => guard(decoder2)('an string')).toThrow('Must be an object');
+    });
+
+    it('invalid (custom classes)', () => {
         expect(() => guard(decoder1)(new String())).toThrow('Must be an object');
         expect(() => guard(decoder2)(new String())).toThrow('Must be an object');
+        expect(() => guard(decoder1)(new Error('foo'))).toThrow('Must be an object');
+        expect(() => guard(decoder2)(new Error('foo'))).toThrow('Must be an object');
         expect(() => guard(decoder1)(new Date())).toThrow('Must be an object');
         expect(() => guard(decoder2)(new Date())).toThrow('Must be an object');
     });