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<?php
/**
* Test: Nette\Utils\Arrays::getRef()
*/
declare(strict_types=1);
use Nette\Utils\Arrays;
use Tester\Assert;
require __DIR__ . '/../bootstrap.php';
$arr = [
'' => 'first',
1 => 'second',
7 => [
'item' => 'third',
],
];
test('reference update and auto-add missing key', function () use ($arr) {
$dolly = $arr;
$item = &Arrays::getRef($dolly, '');
$item = 'changed';
Assert::same([
'' => 'changed',
1 => 'second',
7 => [
'item' => 'third',
],
], $dolly);
$dolly = $arr;
$item = &Arrays::getRef($dolly, 'undefined');
$item = 'changed';
Assert::same([
'' => 'first',
1 => 'second',
7 => [
'item' => 'third',
],
'undefined' => 'changed',
], $dolly);
});
test('nested reference assignment and full array override', function () use ($arr) {
$dolly = $arr;
$item = &Arrays::getRef($dolly, []);
$item = 'changed';
Assert::same('changed', $dolly);
$dolly = $arr;
$item = &Arrays::getRef($dolly, [7, 'item']);
$item = 'changed';
Assert::same([
'' => 'first',
1 => 'second',
7 => [
'item' => 'changed',
],
], $dolly);
});
test('exception on invalid nested reference', function () use ($arr) {
$dolly = $arr;
Assert::exception(
fn() => $item = &Arrays::getRef($dolly, [7, 'item', 3]),
InvalidArgumentException::class,
'Traversed item is not an array.',
);
});
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