From a408fb1f237fdfd347ca58546e35b94d8c6ec866 Mon Sep 17 00:00:00 2001
From: HelderSepu <HelderSepu@gmail.com>
Date: Thu, 28 Sep 2017 20:40:16 -0400
Subject: [PATCH] Correction from @shockey

---
 src/core/utils.js  |  2 +-
 test/core/utils.js | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/core/utils.js b/src/core/utils.js
index 1e2a95b1..5e8ac79e 100644
--- a/src/core/utils.js
+++ b/src/core/utils.js
@@ -549,7 +549,7 @@ export const validateParam = (param, isXml) => {
     let numberCheck = type === "number" && !validateNumber(value) // validateNumber returns undefined if the value is a number
     let integerCheck = type === "integer" && !validateInteger(value) // validateInteger returns undefined if the value is an integer
 
-    if (maxLength) {
+    if (maxLength || maxLength === 0) {
       let err = validateMaxLength(value, maxLength)
       if (err) errors.push(err)
     }
diff --git a/test/core/utils.js b/test/core/utils.js
index 2e21ae3c..40d7fc41 100644
--- a/test/core/utils.js
+++ b/test/core/utils.js
@@ -207,6 +207,7 @@ describe("utils", function() {
     })
 
     it("returns a message for invalid input'", function() {
+      expect(validateMaxLength("abc", 0)).toEqual(errorMessage)
       expect(validateMaxLength("abc", 1)).toEqual(errorMessage)
       expect(validateMaxLength("abc", 2)).toEqual(errorMessage)
     })
@@ -272,7 +273,7 @@ describe("utils", function() {
       expect( result ).toEqual( [] )
     })
     
-    it("validates required strings with min and max length", function() {      
+    it("validates required strings with min and max length", function() {
       // invalid string with max length
       param = fromJS({
         required: true,
@@ -283,6 +284,17 @@ describe("utils", function() {
       result = validateParam( param, false )
       expect( result ).toEqual( ["Value must be less than MaxLength"] )
 
+      // invalid string with max length 0
+      param = fromJS({
+        required: true,
+        type: "string",
+        value: "test string",
+        maxLength: 0
+      })
+      result = validateParam( param, false )
+      expect( result ).toEqual( ["Value must be less than MaxLength"] )
+
+
       // invalid string with min length
       param = fromJS({
         required: true,