1 files changed, 32 insertions, 0 deletions
diff --git a/ext/gd/tests/pngcomp.phpt b/ext/gd/tests/pngcomp.phpt
new file mode 100644
index 0000000..3fd7b57
--- /dev/null
+++ b/ext/gd/tests/pngcomp.phpt
@@ -0,0 +1,32 @@
+--TEST--
+png compression test
+--SKIPIF--
+<?php
+	if (!extension_loaded('gd')) {
+		die("skip gd extension not available.");
+	}
+
+	if (!function_exists("imagecreatefrompng") || !function_exists("imagepng")) {
+		die("skip png support unavailable");
+	}
+?>
+--FILE--
+<?php
+	$cwd = dirname(__FILE__);
+
+	echo "PNG compression test: ";
+
+        $im = imagecreatetruecolor(20,20);
+        imagefilledrectangle($im, 5,5, 10,10, 0xffffff);
+        imagepng($im, $cwd . '/test_pngcomp.png', 9);
+
+        $im2 = imagecreatefrompng($cwd . '/test_pngcomp.png');
+        $col = imagecolorat($im2, 8,8);
+        if ($col == 0xffffff) {
+                echo "ok\n";
+        }
+
+	@unlink($cwd . "/test_pngcomp.png");
+?>
+--EXPECT--
+PNG compression test: ok