diff --git a/ext/mcrypt/tests/bug55169.phpt b/ext/mcrypt/tests/bug55169.phpt
new file mode 100644
index 0000000000000..01dbbc715db0e
--- /dev/null
+++ b/ext/mcrypt/tests/bug55169.phpt
@@ -0,0 +1,43 @@
+--TEST--
+mcrypt_create_iv
+https://bugs.php.net/bug.php?id=55169
+--CREDIT--
+Ryan Biesemeyer <ryan@yaauie.com>
+--FILE--
+<?php
+for( $i=1; $i<=64; $i = $i*2 ){
+  echo 'Input: '. $i . PHP_EOL;
+  $random = mcrypt_create_iv( $i, MCRYPT_DEV_URANDOM );
+  echo ' Length: ' . strlen( $random ) . PHP_EOL;
+  echo ' Hex: '. bin2hex( $random ) . PHP_EOL;
+  echo PHP_EOL;
+}
+?>
+--EXPECTF--
+Input: 1
+ Length: 1
+ Hex: %x
+
+Input: 2
+ Length: 2
+ Hex: %x
+
+Input: 4
+ Length: 4
+ Hex: %x
+
+Input: 8
+ Length: 8
+ Hex: %x
+
+Input: 16
+ Length: 16
+ Hex: %x
+
+Input: 32
+ Length: 32
+ Hex: %x
+
+Input: 64
+ Length: 64
+ Hex: %x
diff --git a/ext/openssl/tests/bug55169.phpt b/ext/openssl/tests/bug55169.phpt
new file mode 100644
index 0000000000000..f9f6a4f5572df
--- /dev/null
+++ b/ext/openssl/tests/bug55169.phpt
@@ -0,0 +1,43 @@
+--TEST--
+openssl_random_pseudo_bytes test
+https://bugs.php.net/bug.php?id=55169
+--INI--
+extension=php_openssl.dll
+--SKIPIF--
+if(!extension_loaded('openssl')) echo 'skip - requires openssl extension'
+--FILE--
+<?php
+for ($i = -1; $i <= 4; $i++) {
+    $bytes = openssl_random_pseudo_bytes($i, $cstrong);
+    $hex   = bin2hex($bytes);
+
+    echo "Lengths: Bytes: $i and Hex: " . strlen($hex) . PHP_EOL;
+    var_dump($hex);
+    var_dump($cstrong);
+    echo PHP_EOL;
+}
+?>
+--EXPECTF--
+Lengths: Bytes: -1 and Hex: 0
+string(0) ""
+NULL
+
+Lengths: Bytes: 0 and Hex: 0
+string(0) ""
+NULL
+
+Lengths: Bytes: 1 and Hex: 2
+string(2) "%x"
+bool(true)
+
+Lengths: Bytes: 2 and Hex: 4
+string(4) "%x"
+bool(true)
+
+Lengths: Bytes: 3 and Hex: 6
+string(6) "%x"
+bool(true)
+
+Lengths: Bytes: 4 and Hex: 8
+string(8) "%x"
+bool(true)