public function testCompatibility()
{
isSame(0, Vars::int(null));
isSame(0, Vars::int(0));
isSame(1, Vars::int(1));
isSame(1, Vars::int('1'));
isSame(1, Vars::int('01'));
isSame(-1, Vars::int('-01'));
isSame(-10, Vars::int(' - 1 0 '));
isSame(0.0, Vars::float(null));
isSame(0.0, Vars::float(0));
isSame(1.0, Vars::float(1));
isSame(1.0, Vars::float('1'));
isSame(1.0, Vars::float('01'));
isSame(-1.0, Vars::float('-01'));
isSame(-10.0, Vars::float(' - 1 0 '));
isSame(-1.5, Vars::float(' - 1,5 '));
isSame(-1.5, Vars::float(' - 1.5 '));
isSame(-1.512, Vars::float(' - 1.5123 ', 3));
isTrue(Vars::bool('true'));
isTrue(Vars::bool('yes'));
isTrue(Vars::bool('y'));
isTrue(Vars::bool('oui'));
isTrue(Vars::bool('vrai'));
isTrue(Vars::bool('ДА'));
isTrue(Vars::bool('Д'));
isFalse(Vars::bool('false'));
isFalse(Vars::bool('no'));
isFalse(Vars::bool('n'));
isFalse(Vars::bool('non'));
isFalse(Vars::bool('faux'));
isFalse(Vars::bool('НЕТ'));
isFalse(Vars::bool('test', false));
isTrue(Vars::email('[email protected]'));
isTrue(Vars::email('[email protected]'));
isTrue(Vars::email('[email protected]'));
isFalse(Vars::email('русская@почта.рф'));
// madness...
$string = " 0 1 a2b 3c!@#\$%^&*()-= <>\t";
is('0123', Vars::digits($string));
is('abc', Vars::alpha($string));
is('01a2b3c', Vars::alphaDigets($string));
}