public function testRandom()
{
is(10, strlen(Str::random()));
is(10, strlen(Str::random(10)));
is(10, strlen(Str::random(10, true)));
is(10, strlen(Str::random(10, false)));
isNotSame(Str::random(), Str::random());
isNotSame(Str::random(), Str::random());
isNotSame(Str::random(), Str::random());
}