protected function checkOutput($expected = null)
{
/* Check those output strings */
$outp = $this->outputConnector->getData();
if ($expected === null) {
echo "\nOutput was:\n\"" . friendlyBinary($outp) . "\"\n";
}
$this->assertEquals($expected, $outp);
}
/**
* Used in many of the tests to to output known-correct
* strings for use in tests.
*/
function friendlyBinary($in)
{
if (is_array($in)) {
$out = array();
foreach ($in as $line) {
$out[] = friendlyBinary($line);
}
return "[" . implode(", ", $out) . "]";
}
if (strlen($in) == 0) {
return $in;
}
/* Print out binary data with PHP \x00 escape codes,
for builting test cases. */
$chars = str_split($in);
foreach ($chars as $i => $c) {
$code = ord($c);
if ($code < 32 || $code > 126) {
$chars[$i] = "\\x" . bin2hex($c);
}
}
return implode($chars);
}