Add check for buffer size being zero or positive

amphp · Dec 10, 2021 · 13dc5f1 · 13dc5f1
1 parent 7288ce0
commit 13dc5f1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Internal/EmitSource.php b/src/Internal/EmitSource.php
@@ -47,6 +47,10 @@ final class EmitSource
 
     public function __construct(int $bufferSize = 0)
     {
+        if ($bufferSize < 0) {
+            throw new \ValueError('Argument #1 ($bufferSize) must be greater than or equal to 0, got ' . $bufferSize);
+        }
+
         $this->bufferSize = $bufferSize;
     }