endtoend-test-psl/tests/Psl/Arr/SortByTest.php

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<?php
declare(strict_types=1);
namespace Psl\Tests\Arr;
use PHPUnit\Framework\TestCase;
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use Psl\Arr;
use Psl\Collection;
use Psl\Str;
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class SortByTest extends TestCase
{
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/**
* @dataProvider provideData
*/
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public function testSortBy(array $expected, array $array, callable $scalar_fun, ?callable $comp = null): void
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{
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self::assertSame($expected, Arr\sort_by($array, $scalar_fun, $comp));
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}
public function provideData(): array
{
$a = [1, 2];
$b = [1, 2, 3, 4];
$c = ['a' => 'foo', 'b' => 'bar', 'c' => 'baz', 'd' => 'qux', 'e' => 'lax'];
$expected = [$a, $b, $c];
$array = [$b, $c, $a];
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$scalar_fun =
/**
* @param array<array-key, string|int> $arr
*
* @return int
*
* @psalm-pure
*/
fn ($arr) => Arr\count($arr);
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return [
[
$expected,
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$array,
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$scalar_fun,
],
[
['a', 'b', 'c', 'd'],
['d', 'a', 'b', 'c'],
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/**
* @param string $v
*
* @return string
*
* @psalm-pure
*/
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fn ($v) => $v,
],
[
['a'],
['a'],
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/**
* @param string $v
*
* @return string
*
* @psalm-pure
*/
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fn ($v) => $v,
],
[
['d', 'c', 'b', 'a'],
['d', 'a', 'b', 'c'],
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/**
* @param string $v
*
* @return string
*
* @psalm-pure
*/
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fn ($v) => $v,
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/**
* @param string $a
* @param string $b
*
* @return int
*
* @psalm-pure
*/
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fn (string $a, string $b) => Str\ord($a) > Str\ord($b) ? -1 : 1,
],
[
['bar', 'qux'],
['foo' => 'bar', 'baz' => 'qux'],
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/**
* @param string $v
*
* @return string
*
* @psalm-pure
*/
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fn ($v) => $v,
],
[
['jumped', 'the', 'quick', 'brown', 'fox'],
['the', 'quick', 'brown', 'fox', 'jumped'],
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/**
* @param string $v
*
* @return string
*
* @psalm-pure
*/
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fn ($v) => Str\Byte\reverse($v),
],
];
}
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}