public function testRandomConstants()
{
$this->specify("random constants are not correct", function () {
expect(Text::RANDOM_ALNUM)->equals(0);
expect(Text::RANDOM_ALPHA)->equals(1);
expect(Text::RANDOM_HEXDEC)->equals(2);
expect(Text::RANDOM_NUMERIC)->equals(3);
expect(Text::RANDOM_NOZERO)->equals(4);
});
}