1 files changed, 21 insertions, 0 deletions
diff --git a/ext/gd/tests/bug55005.phpt b/ext/gd/tests/bug55005.phpt
new file mode 100644
index 0000000000..a48d92441c
--- /dev/null
+++ b/ext/gd/tests/bug55005.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Bug #55005 (imagepolygon num_points requirement)
+--SKIPIF--
+<?php
+if (!extension_loaded('gd')) die('skip gd extension not available');
+?>
+--FILE--
+<?php
+require_once __DIR__ . '/func.inc';
+
+$g = imagecreate(300, 300);
+$bgnd = imagecolorallocate($g, 255, 255, 255);
+$fgnd = imagecolorallocate($g, 0, 0, 0);
+trycatch_dump(
+    fn () => imagefilledpolygon($g, array(100,10, 100,100, 180,100), 2, $fgnd),
+    fn () => imagepolygon($g, array(200,10, 200,100, 280,100), 2, $fgnd)
+);
+?>
+--EXPECT--
+!! [ValueError] Polygon must have at least 3 points
+!! [ValueError] Polygon must have at least 3 points