diff --git a/tests/marcelod/imagealphablending_error1.phpt b/tests/marcelod/imagealphablending_error1.phpt
new file mode 100644
index 000000000000..6d49f32b071a
--- /dev/null
+++ b/tests/marcelod/imagealphablending_error1.phpt
@@ -0,0 +1,19 @@
+--TEST--
+test imagealphablending without arguments
+
+--CREDITS--
+Marcelo Diniz <marcelo.leo27 [at] gmail [dot] com
+‪#‎phpspMaisTestFest PHPSP on 2014-07-05
+
+--SKIPIF--
+<?php
+    if (!extension_loaded('gd')) die("skip gd extension not available.");
+?>
+
+--FILE--
+<?php
+imagealphablending();
+?>
+
+--EXPECTF--
+Warning: imagealphablending() expects exactly 2 parameters, 0 given in %s on line %d
\ No newline at end of file
diff --git a/tests/marcelod/imagecolorresolvealpha_error3.phpt b/tests/marcelod/imagecolorresolvealpha_error3.phpt
new file mode 100644
index 000000000000..735b4c97dbd7
--- /dev/null
+++ b/tests/marcelod/imagecolorresolvealpha_error3.phpt
@@ -0,0 +1,19 @@
+--TEST--
+test imagecolorresolvealpha without arguments
+
+--CREDITS--
+Marcelo Diniz <marcelo.leo27 [at] gmail [dot] com
+‪#‎phpspMaisTestFest PHPSP on 2014-07-05
+
+--SKIPIF--
+<?php
+    if (!extension_loaded('gd')) die("skip gd extension not available.");
+?>
+
+--FILE--
+<?php
+imagecolorresolvealpha();
+?>
+
+--EXPECTF--
+Warning: imagecolorresolvealpha() expects exactly 5 parameters, 0 given in %s on line %d
\ No newline at end of file
diff --git a/tests/marcelod/imagesavealpha_error2.phpt b/tests/marcelod/imagesavealpha_error2.phpt
new file mode 100644
index 000000000000..1a7083d52678
--- /dev/null
+++ b/tests/marcelod/imagesavealpha_error2.phpt
@@ -0,0 +1,19 @@
+--TEST--
+test imagesavealpha without arguments
+
+--CREDITS--
+Marcelo Diniz <marcelo.leo27 [at] gmail [dot] com
+‪#‎phpspMaisTestFest PHPSP on 2014-07-05
+
+--SKIPIF--
+<?php
+    if (!extension_loaded('gd')) die("skip gd extension not available.");
+?>
+
+--FILE--
+<?php
+imagesavealpha();
+?>
+
+--EXPECTF--
+Warning: imagesavealpha() expects exactly 2 parameters, 0 given in %s on line %d
\ No newline at end of file