mirror of
https://github.com/danog/endtoend-test-psl.git
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29 lines
660 B
PHP
29 lines
660 B
PHP
<?php
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declare(strict_types=1);
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namespace Psl\Tests\Iter;
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use PHPUnit\Framework\TestCase;
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use Psl\Collection;
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use Psl\Iter;
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class ChainTest extends TestCase
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{
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public function testChain(): void
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{
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static::assertCount(0, Iter\chain());
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static::assertCount(0, Iter\chain([], Iter\Iterator::create([])));
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static::assertCount(0, Iter\chain([], Iter\Iterator::create([])));
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/** @var Iter\Iterator<int, int> $chain */
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$chain = Iter\chain(
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[1],
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Iter\range(2, 5),
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new Collection\Vector([6])
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);
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static::assertSame([1, 2, 3, 4, 5, 6], Iter\to_array($chain));
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}
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}
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