public function testMergingTextDomainsWithPluralRules()
{
$domainA = new TextDomain();
$domainB = new TextDomain();
$domainA->merge($domainB);
$this->assertFalse($domainA->hasPluralRule());
$this->assertFalse($domainB->hasPluralRule());
}
/**
* Merge another text domain with the current one.
*
* The plural rule of both text domains must be compatible for a successful
* merge. We are only validating the number of plural forms though, as the
* same rule could be made up with different expression.
*
* @param TextDomain $textDomain
* @return TextDomain
* @throws Exception\RuntimeException
*/
public function merge(TextDomain $textDomain)
{
if ($this->hasPluralRule() && $textDomain->hasPluralRule()) {
if ($this->getPluralRule()->getNumPlurals() !== $textDomain->getPluralRule()->getNumPlurals()) {
throw new Exception\RuntimeException('Plural rule of merging text domain is not compatible with the current one');
}
} elseif ($textDomain->hasPluralRule()) {
$this->setPluralRule($textDomain->getPluralRule());
}
$this->exchangeArray(array_replace($this->getArrayCopy(), $textDomain->getArrayCopy()));
return $this;
}
