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<?php
/**
* Test: Nette\Iterators\CachingIterator width.
*/
declare(strict_types=1);
use Nette\Iterators;
use Tester\Assert;
require __DIR__ . '/../bootstrap.php';
test('', function () {
$arr = ['The', 'Nette', 'Framework'];
$iterator = new Iterators\CachingIterator($arr);
$iterator->rewind();
$iterator->rewind();
Assert::true($iterator->valid());
Assert::true($iterator->isFirst(0));
Assert::false($iterator->isLast(0));
Assert::true($iterator->isFirst(1));
Assert::true($iterator->isLast(1));
Assert::true($iterator->isFirst(2));
Assert::false($iterator->isLast(2));
$iterator->next();
Assert::true($iterator->valid());
Assert::false($iterator->isFirst(0));
Assert::false($iterator->isLast(0));
Assert::true($iterator->isFirst(1));
Assert::true($iterator->isLast(1));
Assert::false($iterator->isFirst(2));
Assert::true($iterator->isLast(2));
$iterator->next();
Assert::true($iterator->valid());
Assert::false($iterator->isFirst(0));
Assert::true($iterator->isLast(0));
Assert::true($iterator->isFirst(1));
Assert::true($iterator->isLast(1));
Assert::true($iterator->isFirst(2));
Assert::true($iterator->isLast(2));
$iterator->next();
Assert::false($iterator->valid());
});
test('', function () {
$iterator = new Iterators\CachingIterator([]);
Assert::false($iterator->isFirst(0));
Assert::true($iterator->isLast(0));
Assert::false($iterator->isFirst(1));
Assert::true($iterator->isLast(1));
Assert::false($iterator->isFirst(2));
Assert::true($iterator->isLast(2));
});
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