improve test

diff --git a/ext/gd/tests/createfromstring.phpt b/ext/gd/tests/createfromstring.phpt
index 573195fe7c0a14be1fe0eac3b307d0b94ca409cc..cf7d1952fb17ebecee36014b7929407aef35bf7a 100644 (file)
--- a/ext/gd/tests/createfromstring.phpt
+++ b/ext/gd/tests/createfromstring.phpt
@@ -3,6 +3,7 @@ imagecreatefromstring
 --SKIPIF--
 <?php
         if (!function_exists('imagecreatefromstring')) die("skip gd extension not available\n");
+               if (!function_exists('imagepng')) die("skip no imagpng()\n");
 ?>
 --FILE--
 <?php