/**
* @param int $roundingMode The rounding mode.
* @param BigDecimal $number The number to round.
* @param string $divisor The divisor.
* @param string|null $two The expected rounding to a scale of two, or null if an exception is expected.
* @param string|null $one The expected rounding to a scale of one, or null if an exception is expected.
* @param string|null $zero The expected rounding to a scale of zero, or null if an exception is expected.
*/
private function doTestRoundingMode($roundingMode, BigDecimal $number, $divisor, $two, $one, $zero)
{
foreach ([$zero, $one, $two] as $scale => $expected) {
if ($expected === null) {
$this->setExpectedException(RoundingNecessaryException::getNamespace());
}
$actual = $number->dividedBy($divisor, $scale, $roundingMode);
if ($expected !== null) {
$this->assertBigDecimalInternalValues($expected, $scale, $actual);
}
}
}
/**
* @param integer $roundingMode The rounding mode.
* @param BigInteger $number The number to round.
* @param string $divisor The divisor.
* @param string|null $ten The expected rounding to a scale of two, or null if an exception is expected.
* @param string|null $hundred The expected rounding to a scale of one, or null if an exception is expected.
* @param string|null $thousand The expected rounding to a scale of zero, or null if an exception is expected.
*/
private function doTestDividedByWithRoundingMode($roundingMode, BigInteger $number, $divisor, $ten, $hundred, $thousand)
{
foreach ([$ten, $hundred, $thousand] as $expected) {
$divisor .= '0';
if ($expected === null) {
$this->setExpectedException(RoundingNecessaryException::getNamespace());
}
$actual = $number->dividedBy($divisor, $roundingMode);
if ($expected !== null) {
$this->assertBigIntegerEquals($expected, $actual);
}
}
}
/**
* @return array
*/
public function providerToScale()
{
return [['1/8', 3, RoundingMode::UNNECESSARY, '0.125'], ['1/16', 3, RoundingMode::UNNECESSARY, RoundingNecessaryException::getNamespace()], ['1/16', 3, RoundingMode::HALF_DOWN, '0.062'], ['1/16', 3, RoundingMode::HALF_UP, '0.063'], ['1/9', 30, RoundingMode::DOWN, '0.111111111111111111111111111111'], ['1/9', 30, RoundingMode::UP, '0.111111111111111111111111111112'], ['1/9', 100, RoundingMode::UNNECESSARY, RoundingNecessaryException::getNamespace()]];
}
