Add test to p+ tokens date parsing

Author: ericreis

test/date_utils_test.js

@@ -19,6 +19,10 @@ import {
 } from "../src/date_utils";
 import setMinutes from "date-fns/setMinutes";
 import setHours from "date-fns/setHours";
+import ptBR from "date-fns/locale/pt-BR";
+import { registerLocale } from "../src/date_utils";
+
+registerLocale("pt-BR", ptBR);
 
 describe("date_utils", function() {
   describe("newDate", function() {
@@ -393,6 +397,25 @@ describe("date_utils", function() {
 
       expect(parseDate(value, dateFormat, null, false)).to.not.be.null;
     });
+
+    it("should parse date based on locale", () => {
+      const value = "26/05/1995";
+      const dateFormat = "P";
+
+      const expected = new Date("05/26/1995");
+      const actual = parseDate(value, dateFormat, "pt-BR", false);
+
+      assert(isEqual(actual, expected));
+    });
+
+    it("should not parse date based on locale without a given locale", () => {
+      const value = "26/05/1995";
+      const dateFormat = "P";
+
+      const actual = parseDate(value, dateFormat, null, false);
+
+      expect(actual).to.be.null;
+    });
   });
 
   describe("isMonthinRange", () => {