When a string is empty, readAll() returns ''.

Author: Hywan

Read.php

@@ -192,6 +192,9 @@ public function readAll ( ) {
         $this->seek(0, \Hoa\Stream\IStream\Pointable::SEEK_END);
         $end     = $this->tell();
 
+        if(0 === $end)
+            return '';
+
         $this->seek(0, \Hoa\Stream\IStream\Pointable::SEEK_SET);
         $handle  = $this->read($end);
 

ReadWrite.php

@@ -200,6 +200,9 @@ public function readAll ( ) {
         $this->seek(0, \Hoa\Stream\IStream\Pointable::SEEK_END);
         $end     = $this->tell();
 
+        if(0 === $end)
+            return '';
+
         $this->seek(0, \Hoa\Stream\IStream\Pointable::SEEK_SET);
         $handle  = $this->read($end);