Improvement to B64Extension.ToB64Url (handling of zero-length arrays/segments).

sdrapkin · sdrapkin · commit 64c1b397e197 · 2018-06-12T15:50:02.000-04:00
diff --git a/Extensions/B64Extensions.cs b/Extensions/B64Extensions.cs
@@ -151,6 +151,7 @@ public static string ToB64Url(this byte[] input)
 
 		static string _ToB64Url(ref ArraySegment<byte> inputSegment)
 		{
+			if (inputSegment.Count < 1) return string.Empty;
 			string b64str = _ToB64(ref inputSegment);
 			return b64str.Substring(0, b64str.Length - 1);
 		}// _ToB64Url()

Original file line number	Diff line number	Diff line change
`@@ -151,6 +151,7 @@ public static string ToB64Url(this byte[] input)`
`151`	`151`
`152`	`152`	`static string _ToB64Url(ref ArraySegment<byte> inputSegment)`
`153`	`153`	`{`
	`154`	`+ if (inputSegment.Count < 1) return string.Empty;`
`154`	`155`	`string b64str = _ToB64(ref inputSegment);`
`155`	`156`	`return b64str.Substring(0, b64str.Length - 1);`
`156`	`157`	`}// _ToB64Url()`