/**
* Rewinds the cursor to its first position.
*/
public function rewind()
{
if ($this->_started && $this->_resource) {
throw new DatabaseException("PDO statement tesource doesn't support rewind operation.");
}
parent::rewind();
}
$value = $cursor->current();
expect($value)->toBe(1);
});
});
describe("->next()", function () {
it("returns the next value", function () {
$cursor = new Cursor(['data' => [1, 2, 3, 4, 5]]);
expect($cursor->next())->toBe(1);
expect($cursor->current())->toBe(1);
expect($cursor->next())->toBe(2);
expect($cursor->current())->toBe(2);
expect($cursor->next())->toBe(3);
expect($cursor->current())->toBe(3);
expect($cursor->next())->toBe(4);
expect($cursor->current())->toBe(4);
expect($cursor->next())->toBe(5);
expect($cursor->current())->toBe(5);
expect($cursor->next())->toBe(false);
// returns `false` just to follow a weird PHP convention
expect($cursor->valid())->toBe(false);
});
});
describe("->rewind()", function () {
it("returns respectively the first and the last item of the collection", function () {
$cursor = new Cursor(['data' => [1, 2, 3, 4, 5]]);
expect($cursor->next())->toBe(1);
$cursor->rewind();
expect($cursor->next())->toBe(1);
});
});
});