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<?php
declare(strict_types=1);
namespace Brick\Math\Tests;
use Brick\Math\BigDecimal;
use Brick\Math\BigInteger;
use Brick\Math\BigNumber;
use Brick\Math\BigRational;
use PHPUnit\Framework\Attributes\DataProvider;
/**
* Unit tests for class BigNumber.
*
* Most of the tests are performed in concrete classes.
* Only static methods that can be called on BigNumber itself may justify tests here.
*/
class BigNumberTest extends AbstractTestCase
{
/**
* @param array $values The values to add.
* @param string $expectedClass The expected class name.
* @param string $expectedSum The expected sum.
*/
#[DataProvider('providerSum')]
public function testSum(array $values, string $expectedClass, string $expectedSum) : void
{
$sum = BigNumber::sum(...$values);
self::assertInstanceOf($expectedClass, $sum);
self::assertSame($expectedSum, (string) $sum);
}
public static function providerSum() : array
{
return [
[[-1], BigInteger::class, '-1'],
[[-1, '99'], BigInteger::class, '98'],
[[-1, '99', '-0.7'], BigDecimal::class, '97.3'],
[[-1, '99', '-0.7', '3/2'], BigRational::class, '1976/20'],
[[-1, '3/2'], BigRational::class, '1/2'],
[[-0.5], BigDecimal::class, '-0.5'],
[[-0.5, 1], BigDecimal::class, '0.5'],
[[-0.5, 1, '0.7'], BigDecimal::class, '1.2'],
[[-0.5, 1, '0.7', '47/7'], BigRational::class, '554/70'],
[['-1/9'], BigRational::class, '-1/9'],
[['-1/9', 123], BigRational::class, '1106/9'],
[['-1/9', 123, '8349.3771'], BigRational::class, '762503939/90000'],
[['-1/9', '8349.3771', 123], BigRational::class, '762503939/90000']
];
}
}
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