Test emulated unicode features.
function testEmulatedUnicode() {
global $multibyte;
$multibyte = UNICODE_SINGLEBYTE;
$this->extendedMode = FALSE;
$this
->pass(t('Testing in emulated (best-effort) mode'));
$this
->helperTestStrToLower();
$this
->helperTestStrToUpper();
$this
->helperTestUcFirst();
$this
->helperTestStrLen();
$this
->helperTestSubStr();
$this
->helperTestTruncate();
}