endtoend-test-psl/tests/Psl/Fun/AfterTest.php
2020-10-15 11:05:30 +02:00

33 lines
755 B
PHP

<?php
declare(strict_types=1);
namespace Psl\Tests\Fun;
use PHPUnit\Framework\TestCase;
use Psl\Fun;
use Psl\Str;
final class AfterTest extends TestCase
{
public function testItCombinesAFunctionToExecuteAFunctionAfterAnotherFunction(): void
{
$x = Fun\after(
static fn (string $x): string => $x . ' world',
static fn (string $z): string => $z . '!!'
);
static::assertSame('Hello world!!', $x('Hello'));
}
public function testItCombinesAFunctionThatDealWithDifferentTypes(): void
{
$x = Fun\after(
static fn (string $x): int => Str\length($x),
static fn (int $z): string => $z . '!'
);
static::assertSame('5!', $x('Hello'));
}
}