diff --git a/ext/hash/package.xml b/ext/hash/package.xml
index 09a243a5499..f4f4a143519 100644
--- a/ext/hash/package.xml
+++ b/ext/hash/package.xml
@@ -81,6 +81,7 @@ Initial Release
     <file role="test" name="gost.phpt"/>
     <file role="test" name="snefru.phpt"/>
     <file role="test" name="crc32.phpt"/>
+    <file role="test" name="adler32.phpt"/>
    </dir>
   </filelist>
 
diff --git a/ext/hash/tests/adler32.phpt b/ext/hash/tests/adler32.phpt
new file mode 100644
index 00000000000..acfcc2b278d
--- /dev/null
+++ b/ext/hash/tests/adler32.phpt
@@ -0,0 +1,22 @@
+--TEST--
+ADLER32
+--SKIPIF--
+<?php extension_loaded('hash') or die('skip'); ?>
+--FILE--
+<?php
+echo hash('adler32', ''), "\n";
+echo hash('adler32', 'a'), "\n";
+echo hash('adler32', 'abc'), "\n";
+echo hash('adler32', 'message digest'), "\n";
+echo hash('adler32', 'abcdefghijklmnopqrstuvwxyz'), "\n";
+echo hash('adler32', 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'), "\n";
+echo hash('adler32', '12345678901234567890123456789012345678901234567890123456789012345678901234567890'), "\n";
+?>
+--EXPECT--
+01000000
+62006200
+27014d02
+86057529
+200b8690
+0c15db8a
+6910b697