mirror of
https://github.com/danog/endtoend-test-psl.git
synced 2024-12-02 17:56:09 +01:00
38 lines
1.0 KiB
PHP
38 lines
1.0 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace Psl\Tests\Vec;
|
|
|
|
use PHPUnit\Framework\TestCase;
|
|
use Psl\Iter;
|
|
use Psl\Vec;
|
|
|
|
final class ReductionsTest extends TestCase
|
|
{
|
|
/**
|
|
* @template Tk
|
|
* @template Tv
|
|
* @template Ts
|
|
*
|
|
* @param iterable<Tk, Tv> $iterable
|
|
* @param (callable(Ts, Tk, Tv): Ts) $function
|
|
* @param Ts $initial
|
|
*
|
|
* @dataProvider provideData
|
|
*/
|
|
public function testReductions(array $expected, iterable $iterable, callable $function, $initial): void
|
|
{
|
|
$result = Vec\reductions($iterable, $function, $initial);
|
|
|
|
static::assertSame($expected, Iter\to_array_with_keys($result));
|
|
}
|
|
|
|
public function provideData(): iterable
|
|
{
|
|
yield [[], [], static fn ($accumulator, $k, $v) => $accumulator, null];
|
|
yield [[1, 3, 6], [1, 2, 3], static fn ($accumulator, $k, $v) => $accumulator + $v, 0];
|
|
yield [[1, 3, 6], Iter\to_iterator([1, 2, 3]), static fn ($accumulator, $k, $v) => $accumulator + $v, 0];
|
|
}
|
|
}
|