Use string.IsNullOrEmpty() instead of empty string check.

henkmollema · henkmollema · commit 0bfebf7faca8 · 2015-04-24T15:45:22.000+02:00
diff --git a/src/Microsoft.AspNet.Mvc.Core/FormatterMappings.cs b/src/Microsoft.AspNet.Mvc.Core/FormatterMappings.cs
@@ -66,7 +66,7 @@ private void ValidateContentType(MediaTypeHeaderValue contentType)
 
         private string RemovePeriodIfPresent(string format)
         {
-            if (format == "")
+            if (string.IsNullOrEmpty(format))
             {
                 throw new ArgumentException(Resources.ArgumentCannotBeNullOrEmpty, nameof(format));
             }

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ private void ValidateContentType(MediaTypeHeaderValue contentType)`
`66`	`66`
`67`	`67`	`private string RemovePeriodIfPresent(string format)`
`68`	`68`	`{`
`69`		`- if (format == "")`
	`69`	`+ if (string.IsNullOrEmpty(format))`
`70`	`70`	`{`
`71`	`71`	`throw new ArgumentException(Resources.ArgumentCannotBeNullOrEmpty, nameof(format));`
`72`	`72`	`}`