RomanNumeralsTest.php
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RomanNumeralsTest.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Tests\Culture\Rome;

	use Keruald\OmniTools\Culture\Rome\RomanNumerals;
	use PHPUnit\Framework\TestCase;
	use InvalidArgumentException;

	class RomanNumeralsTest extends TestCase {

	/**
	* @dataProvider provideRomanAndHinduArabicNumerals
	*/
	public function testFromHindiArabicNumeral (
	string $roman,
	int $hinduArabic
	) : void {
	$this->assertEquals(
	$roman,
	RomanNumerals::fromHinduArabic($hinduArabic)
	);
	}

	public function provideRomanAndHinduArabicNumerals () : iterable {
	yield ['i', 1];
	yield ['xi', 11];
	yield ['xlii', 42];
	yield ['mcmxcix', 1999];
	yield ['mm', 2000];
	}

	public function testFromHindiArabicNumeralWithNegativeNumbers () : void {
	$this->expectException(InvalidArgumentException::class);
	RomanNumerals::fromHinduArabic(-1);
	}

	public function testFromHindiArabicNumeralWithZero () : void {
	$this->expectException(InvalidArgumentException::class);
	RomanNumerals::fromHinduArabic(0);
	}

	}