public function testWithPositiveInteger()
{
// Arrange
$bigNumber = new BigNumber('1234567890');
// Act
$bigNumber->abs();
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('1234567890', $bigNumber->getValue());
}
public function testSqrt()
{
// Arrange
$bigNumber = new BigNumber('12345.12345');
// Act
$bigNumber->sqrt();
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('111.1086110524', $bigNumber->getValue());
}
public function testWithStringInteger()
{
// Arrange
$bigNumber = new BigNumber('1234567890.1234567890');
$value = '1234567890';
// Act
$bigNumber->divide($value);
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('1.0000000001', $bigNumber->getValue());
}
public function testWithBigNumberZeroScale()
{
// Arrange
$bigNumber = new BigNumber('0', 2);
$bigNumberValue = new BigNumber('2', 0);
// Act
$bigNumber->setScale($bigNumberValue);
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('0.00', $bigNumber->getValue());
}
public function testWithStringInteger()
{
// Arrange
$bigNumber = new BigNumber('12345.12345');
$value = '12';
// Act
$bigNumber->mod($value);
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('9', $bigNumber->getValue());
}
public function testWithBigNumber()
{
// Arrange
$bigNumber = new BigNumber('0');
$bigNumberValue = new BigNumber('123');
// Act
$bigNumber->setValue($bigNumberValue);
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('123', $bigNumber->getValue());
}
public function testWithStringInteger()
{
// Arrange
$bigNumber = new BigNumber('12345.12345');
$value = '12';
// Act
$bigNumber->pow($value);
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('12529831950385717769202749069405938445346350062072.3461609748', $bigNumber->getValue());
}
public function testWithStringInteger()
{
// Arrange
$bigNumber = new BigNumber('1234567890.1234567890');
$value = '1234567890';
// Act
$bigNumber->multiply($value);
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('1524157875171467887.5019052100', $bigNumber->getValue());
}
public function testWithCustomScale()
{
// Arrange
// ...
// Act
$bigNumber = new BigNumber('12345.67890', 2);
// Assert
$this->assertInternalType('string', $bigNumber->getValue());
$this->assertEquals('12345.67', $bigNumber->getValue());
}
