/**
* @covers Patchwork\Utf8::str_shuffle
*/
function testStr_shuffle()
{
$c = "déjà 한국어";
$c .= n::normalize($c, n::NFD);
$this->assertTrue($c != ($d = u::str_shuffle($c)) || $c != ($d = u::str_shuffle($c)));
$this->assertSame(strlen($c), strlen($d));
$this->assertSame(u::strlen($c), u::strlen($d));
$this->assertSame('', u::trim($d, $c));
}