/**
* @covers jarekkozak\dict\Dictionary::isValid
*/
public function testIsValid()
{
$dict = new Dict1();
self::assertTrue($dict->isValid(1));
self::assertTrue($dict->isValid(2));
self::assertFalse($dict->isValid(3));
self::assertFalse($dict->isValid('1'));
self::assertFalse($dict->isValid('2'));
}
