tests for _parseTime with hex and empty strings

core/js/share.js

@@ -827,6 +827,10 @@ OC.Share={
 	 */
 	_parseTime: function(time) {
 		if (_.isString(time)) {
+			// skip empty strings and hex values
+			if (time === '' || (time.length > 1 && time[0] === '0' && time[1] === 'x')) {
+				return null;
+			}
 			time = parseInt(time, 10);
 			if(isNaN(time)) {
 				time = null;

core/js/tests/specs/shareSpec.js

@@ -1324,6 +1324,8 @@ describe('OC.Share tests', function() {
 				[  123456 , 123456],
 				['0123456', 123456],
 				['abcdefg',   null],
+				['0x12345',   null],
+				[       '',   null],
 			], function(value) {
 				expect(OC.Share._parseTime(value[0])).toEqual(value[1]);
 			});