/**
* @test
*/
public function I_can_create_it()
{
$minusOne = new NegativeNumberObject(-1);
self::assertSame(-1, $minusOne->getValue());
self::assertInstanceOf(NumberObject::getClass(), $minusOne);
self::assertInstanceOf('\\Granam\\Number\\NegativeNumber', $minusOne);
$floatMinusOne = new NegativeNumberObject(-1.0);
self::assertSame(-1.0, $floatMinusOne->getValue());
self::assertInstanceOf(NumberObject::getClass(), $floatMinusOne);
self::assertInstanceOf('\\Granam\\Number\\NegativeNumber', $floatMinusOne);
$zero = new NegativeNumberObject(0.0);
self::assertSame(0.0, $zero->getValue());
self::assertInstanceOf(NumberObject::getClass(), $zero);
self::assertInstanceOf('\\Granam\\Number\\NegativeNumber', $zero);
}
/**
* @test
*/
public function I_can_create_it()
{
$twentyFive = new PositiveNumberObject(25);
self::assertSame(25, $twentyFive->getValue());
self::assertInstanceOf(NumberObject::getClass(), $twentyFive);
self::assertInstanceOf('\\Granam\\Number\\PositiveNumber', $twentyFive);
$twoHundredths = new PositiveNumberObject(0.02);
self::assertSame(0.02, $twoHundredths->getValue());
self::assertInstanceOf(NumberObject::getClass(), $twoHundredths);
self::assertInstanceOf('\\Granam\\Number\\PositiveNumber', $twoHundredths);
$zero = new PositiveNumberObject(-0.0);
self::assertSame(0.0, $zero->getValue());
self::assertInstanceOf(NumberObject::getClass(), $zero);
self::assertInstanceOf('\\Granam\\Number\\PositiveNumber', $zero);
}
/**
* @param mixed $value
* @param bool $strict = false Accepts only explicit values, no null or empty string
* @param bool $paranoid = false Throws exception if some value is lost on cast because of rounding
* @throws \Granam\Number\Tools\Exceptions\WrongParameterType
* @throws \Granam\Number\Tools\Exceptions\NegativeNumberCanNotBePositive
* @throws \Granam\Scalar\Tools\Exceptions\WrongParameterType
*/
public function __construct($value, $strict = true, $paranoid = false)
{
parent::__construct(ToNumber::toNegativeNumber($value), $strict, $paranoid);
}
/**
* @return string
*/
protected function getExternalRootNamespaces()
{
$numberClassReflection = new \ReflectionClass(NumberObject::getClass());
return $numberClassReflection->getNamespaceName();
}
/**
* @param mixed $value
* @param bool $strict = true allows only explicit values, not null and empty string
* @param bool $paranoid Throws exception if some value is lost on cast because of rounding
* @throws \Granam\Float\Tools\Exceptions\WrongParameterType
* @throws \Granam\Float\Tools\Exceptions\ValueLostOnCast
*/
public function __construct($value, $strict = true, $paranoid = false)
{
parent::__construct(ToFloat::toFloat($value, $strict, $paranoid));
}
protected function getRootNamespace()
{
$rootReflection = new \ReflectionClass(NumberObject::getClass());
return $rootReflection->getNamespaceName();
}
/**
* @test
*/
public function I_can_create_new_number_by_subtracting_value()
{
$number = new NumberObject(123);
$decreased = $number->sub(456);
self::assertSame(123, $number->getValue());
self::assertSame(-333, $decreased->getValue());
self::assertNotEquals($number, $decreased);
$decreasedMore = $decreased->sub($decreased);
// minus minus
self::assertSame(0, $decreasedMore->getValue());
}