--- /dev/null
+--TEST--
+Testing imagecreatetruecolor() of GD library
+--CREDITS--
+Rafael Dohms <rdohms [at] gmail [dot] com>
+--SKIPIF--
+<?php
+ if (!extension_loaded("gd")) die("skip GD not present");
+ if (!function_exists("imagecreatetruecolor")) die("skip GD Version not compatible");
+?>
+--FILE--
+<?php
+$image = imagecreatetruecolor(180, 30);
+
+ob_start();
+imagepng($image, null, 9);
+$img = ob_get_contents();
+ob_end_clean();
+
+echo md5(base64_encode($img));
+?>
+--EXPECT--
+5a8fe9864cbd20e5dbe730c77f30db95
--- /dev/null
+--TEST--
+Testing imagecreatetruecolor(): error on non-long parameters
+--CREDITS--
+Rafael Dohms <rdohms [at] gmail [dot] com>
+--SKIPIF--
+<?php
+ if (!extension_loaded("gd")) die("skip GD not present");
+ if (!function_exists("imagecreatetruecolor")) die("skip GD Version not compatible");
+?>
+--FILE--
+<?php
+$image = imagecreatetruecolor('s', 30);
+$image = imagecreatetruecolor(30, 's');
+?>
+--EXPECTF--
+Warning: imagecreatetruecolor() expects parameter 1 to be long, %s given in %s on line %d
+
+Warning: imagecreatetruecolor() expects parameter 2 to be long, %s given in %s on line %d
--- /dev/null
+--TEST--
+Testing imagecreatetruecolor(): error on out of bound parameters
+--CREDITS--
+Rafael Dohms <rdohms [at] gmail [dot] com>
+--SKIPIF--
+<?php
+ if (!extension_loaded("gd")) die("skip GD not present");
+ if (!function_exists("imagecreatetruecolor")) die("skip GD Version not compatible");
+?>
+--FILE--
+<?php
+$image = imagecreatetruecolor(-1, 30);
+$image = imagecreatetruecolor(30, -1);
+$image = imagecreatetruecolor(999999999999999999999999999, 30);
+$image = imagecreatetruecolor(30, 999999999999999999999999999);
+?>
+--EXPECTF--
+Warning: imagecreatetruecolor(): Invalid image dimensions in %s on line %d
+
+Warning: imagecreatetruecolor(): Invalid image dimensions in %s on line %d
+
+Warning: imagecreatetruecolor(): Invalid image dimensions in %s on line %d
+
+Warning: imagecreatetruecolor(): Invalid image dimensions in %s on line %d
\ No newline at end of file
--- /dev/null
+--TEST--
+Testing imagecreatetruecolor(): error on wrong parameter count
+--CREDITS--
+Rafael Dohms <rdohms [at] gmail [dot] com>
+--SKIPIF--
+<?php
+ if (!extension_loaded("gd")) die("skip GD not present");
+ if (!function_exists("imagecreatetruecolor")) die("skip GD Version not compatible");
+?>
+--FILE--
+<?php
+$image = imagecreatetruecolor();
+$image = imagecreatetruecolor(30);
+$image = imagecreatetruecolor(1,1,1);
+?>
+--EXPECTF--
+Warning: imagecreatetruecolor() expects exactly 2 parameters, 0 given in %s on line %d
+
+Warning: imagecreatetruecolor() expects exactly 2 parameters, 1 given in %s on line %d
+
+Warning: imagecreatetruecolor() expects exactly 2 parameters, 3 given in %s on line %d
\ No newline at end of file