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diff --git a/ext/gmp/tests/036.phpt b/ext/gmp/tests/036.phpt
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+--TEST--
+gmp_hamdist() basic tests
+--SKIPIF--
+<?php if (!extension_loaded("gmp")) print "skip"; ?>
+--FILE--
+<?php
+
+var_dump(gmp_hamdist(1231231, 0));
+var_dump(gmp_hamdist(1231231, -1));
+var_dump(gmp_hamdist(1231231, "8765434567897654333334567"));
+var_dump(gmp_hamdist(-364264234, "8333765434567897654333334567"));
+
+$n = gmp_init("8765434567");
+$n1 = gmp_init("987654445678");
+var_dump(gmp_hamdist($n, "8333765434567897654333334567"));
+var_dump(gmp_hamdist($n, $n));
+var_dump(gmp_hamdist($n, $n1));
+
+var_dump(gmp_hamdist($n, $n1, 1));
+var_dump(gmp_hamdist($n, array()));
+var_dump(gmp_hamdist(array(), $n));
+var_dump(gmp_hamdist(array(), array()));
+var_dump(gmp_hamdist());
+
+echo "Done\n";
+?>
+--EXPECTF--
+int(13)
+int(-1)
+int(36)
+int(-1)
+int(43)
+int(0)
+int(26)
+
+Warning: gmp_hamdist() expects exactly 2 parameters, 3 given in %s on line %d
+NULL
+
+Warning: gmp_hamdist(): Unable to convert variable to GMP - wrong type in %s on line %d
+bool(false)
+
+Warning: gmp_hamdist(): Unable to convert variable to GMP - wrong type in %s on line %d
+bool(false)
+
+Warning: gmp_hamdist(): Unable to convert variable to GMP - wrong type in %s on line %d
+bool(false)
+
+Warning: gmp_hamdist() expects exactly 2 parameters, 0 given in %s on line %d
+NULL
+Done