GetDirectoryName fixed for path with no slash (#32)

dgGC5 · web-flow · commit de67138e86b4 · 2021-06-28T13:56:18.000+01:00
diff --git a/System.IO.FileSystem/Path.cs b/System.IO.FileSystem/Path.cs
@@ -139,6 +139,11 @@ public static string GetDirectoryName(string path)
 
                     var lastPathPostion = path.LastIndexOf(DirectorySeparatorChar);
 
+                    if (lastPathPostion == -1)
+                    {
+                        return string.Empty;
+                    }
+
                     return path.Substring(0, lastPathPostion);
                 }
             }

Original file line number	Diff line number	Diff line change
`@@ -139,6 +139,11 @@ public static string GetDirectoryName(string path)`
`139`	`139`
`140`	`140`	`var lastPathPostion = path.LastIndexOf(DirectorySeparatorChar);`
`141`	`141`
	`142`	`+ if (lastPathPostion == -1)`
	`143`	`+ {`
	`144`	`+ return string.Empty;`
	`145`	`+ }`
	`146`	`+`
`142`	`147`	`return path.Substring(0, lastPathPostion);`
`143`	`148`	`}`
`144`	`149`	`}`