/**
* {@inheritdoc}
*/
public function offsetExists($index) : bool
{
assert(Validate::isInt($index), sprintf('Invalid character index: %s', VarPrinter::toString($index)));
return $this->has($index);
}
/**
* @dataProvider invalidIntProvider
*/
public function test_that_is_int_returns_false_for_invalid_value($value)
{
$this->assertFalse(Validate::isInt($value));
}
/**
* {@inheritdoc}
*/
public function offsetUnset($index)
{
assert(Validate::isInt($index), sprintf('Invalid list index: %s', VarPrinter::toString($index)));
$this->remove($index);
}
