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<?php |
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use Litipk\BigNumbers\Decimal as Decimal; |
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use PHPUnit\Framework\TestCase; |
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date_default_timezone_set('UTC'); |
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8
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class DecimalDivTest extends TestCase |
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{ |
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public function testZeroFiniteDiv() |
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{ |
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$one = Decimal::fromInteger(1); |
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$zero = Decimal::fromInteger(0); |
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$catched = false; |
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try { |
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$one->div($zero); |
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} catch (\DomainException $e) { |
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$catched = true; |
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} |
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$this->assertTrue($catched); |
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$this->assertTrue($zero->div($one)->equals($zero)); |
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} |
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public function testOneDiv() |
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{ |
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$one = Decimal::fromInteger(1); |
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$two = Decimal::fromInteger(2); |
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$this->assertTrue($two->div($one)->equals($two)); |
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} |
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public function testBasicDiv() |
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{ |
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$one = Decimal::fromInteger(1); |
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$two = Decimal::fromInteger(2); |
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$four = Decimal::fromInteger(4); |
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$eight = Decimal::fromInteger(8); |
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// Integer exact division |
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$this->assertTrue($eight->div($two)->equals($four)); |
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$this->assertTrue($eight->div($four)->equals($two)); |
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// Arbitrary precision division |
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$this->assertTrue($one->div($eight, 0)->equals(Decimal::fromString('0'))); |
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$this->assertTrue($one->div($eight, 1)->equals(Decimal::fromString('0.1'))); |
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$this->assertTrue($one->div($eight, 2)->equals(Decimal::fromString('0.13'))); |
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$this->assertTrue($one->div($eight, 3)->equals(Decimal::fromString('0.125'))); |
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} |
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} |
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Litipk /
php-bignumbers
