mirror of
https://github.com/danog/endtoend-test-psl.git
synced 2024-12-03 10:08:33 +01:00
38 lines
1.2 KiB
PHP
38 lines
1.2 KiB
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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final class RangeTest extends TestCase
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{
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public function testRange(): void
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{
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static::assertSame([1], Iter\to_array(Iter\range(1, 1, 1)));
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static::assertSame([0, 1, 2, 3, 4, 5], Iter\to_array(Iter\range(0, 5)));
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static::assertSame([5, 4, 3, 2, 1, 0], Iter\to_array(Iter\range(5, 0)));
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static::assertSame([0.0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0], Iter\to_array(Iter\range(0.0, 3.0, 0.5)));
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static::assertSame([3.0, 2.5, 2.0, 1.5, 1.0, 0.5, 0.0], Iter\to_array(Iter\range(3.0, 0.0, -0.5)));
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}
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public function testRandomThrowsIfEndIsGreaterThanStartAndStepIsNegative(): void
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{
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$this->expectException(Psl\Exception\InvariantViolationException::class);
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$this->expectExceptionMessage('If start < end, the step must be positive.');
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Iter\range(0, 10, -2);
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}
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public function testRandomThrowsIfStartIsGreaterThanEndAndStepIsPositive(): void
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{
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$this->expectException(Psl\Exception\InvariantViolationException::class);
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$this->expectExceptionMessage('If start > end, the step must be negative.');
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Iter\range(20, 10, 2);
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}
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}
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