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31 lines
629 B
PHP
31 lines
629 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\Iter;
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class IsEmptyTest extends TestCase
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{
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/**
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* @dataProvider provideData
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*/
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public function testIsEmpty(bool $expected, iterable $iterable): void
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{
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self::assertSame($expected, Iter\is_empty($iterable));
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}
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public function provideData(): iterable
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{
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yield [true, []];
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yield [true, Iter\from_entries([])];
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yield [true, (fn () => yield from [])()];
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yield [false, [null]];
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yield [false, [false]];
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yield [false, ['hello', 'world']];
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}
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}
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