function helperTestStrToLower() {
$testcase = array(
'tHe QUIcK bRoWn' => 'the quick brown',
'FrançAIS is ÜBER-åwesome' => 'français is über-åwesome',
);
if ($this->extendedMode) {
$testcase['ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΣὨ'] = 'αβγδεζηθικλμνξοσὠ';
}
foreach ($testcase as $input => $output) {
$this
->assertEqual(drupal_strtolower($input), $output, format_string('%input is lowercased as %output', array(
'%input' => $input,
'%output' => $output,
)));
}
}