Fix Stream::read($length) implementation

When `$length` value exceeds the stream eof, the remaining stream content
must be returned.

Author: ajgarlag

src/Stream.php

@@ -163,10 +163,6 @@ public function read($length)
             return fread($this->socket, $length);
         }
 
-        if ($this->getSize() < ($this->readed + $length)) {
-            throw new StreamException('Cannot read more than %s', $this->getSize() - $this->readed);
-        }
-
         if ($this->getSize() === $this->readed) {
             return '';
         }

tests/StreamTest.php

@@ -144,4 +144,14 @@ public function testClose()
 
         $this->assertFalse(is_resource($socket));
     }
+
+    public function testRead()
+    {
+        $stream = $this->createSocket("Body");
+
+        $this->assertEquals("Bod", $stream->read(3));
+        $this->assertEquals("y", $stream->read(3));
+
+        $stream->close();
+    }
 }