From 8f9f971e21f7f428d1928a918cc8ceb8c7fbcd64 Mon Sep 17 00:00:00 2001
From: Daniel Cousens <github@dcousens.com>
Date: Thu, 30 Nov 2017 14:16:13 +1100
Subject: [PATCH] add more invalid hex tests

---
 test/constructor-test.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/constructor-test.js b/test/constructor-test.js
index 9f27203..385634b 100644
--- a/test/constructor-test.js
+++ b/test/constructor-test.js
@@ -108,6 +108,22 @@ describe('BN.js/Constructor', function () {
         res;
       }, /Invalid character/);
     });
+
+    it('should not accept non-hex characters', function () {
+      [
+        '0000000z',
+        '000000gg',
+        '0000gg00',
+        'ffffggff',
+        'ffffggff',
+        'hexadecimal'
+      ].forEach(function (str) {
+        assert.throws(function () {
+          var res = new BN(str, 16);
+          res;
+        }, /Invalid character in /);
+      });
+    })
   });
 
   describe('with Array input', function () {