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https://github.com/danog/endtoend-test-psl.git
synced 2024-12-03 10:08:33 +01:00
34 lines
774 B
PHP
34 lines
774 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;
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use Psl\Iter;
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class RandomTest extends TestCase
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{
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public function testRandom(): void
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{
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$iterable = [1, 2, 3, 4, 5];
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$value = Iter\random($iterable);
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self::assertTrue(Iter\contains($iterable, $value));
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$iterable = Iter\to_iterator([1, 2, 3, 4, 5]);
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$value = Iter\random($iterable);
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self::assertTrue(Iter\contains($iterable, $value));
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}
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public function testRandomWithEmptyIterator(): void
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{
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$this->expectException(Psl\Exception\InvariantViolationException::class);
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$this->expectExceptionMessage('Expected a non-empty iterable.');
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Iter\random([]);
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}
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}
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