public function testLocalization()
{
$localizer = $this->getMock('ValueFormatters\\NumberLocalizer');
$localizer->expects($this->once())->method('localizeNumber')->will($this->returnCallback(function ($number) {
return "n:{$number}";
}));
$value = new DecimalValue('+12345');
$formatter = new DecimalFormatter(null, $localizer);
$this->assertEquals('n:12345', $formatter->format($value));
}
/**
* @param DecimalValue $margin
* @param int $roundingExponent
*
* @return string|null Text
*/
private function formatMargin(DecimalValue $margin, $roundingExponent)
{
if ($this->options->getOption(self::OPT_SHOW_UNCERTAINTY_MARGIN)) {
// TODO: never round to 0! See bug #56892
$roundedMargin = $this->decimalMath->roundToExponent($margin, $roundingExponent);
if (!$roundedMargin->isZero()) {
return $this->decimalFormatter->format($roundedMargin);
}
}
return null;
}
