/**
* @since 0.4
*
* @param ReferenceList $references
* @param Summary|null $summary
*
* @throws ChangeOpException
*/
protected function setReference(ReferenceList $references, Summary $summary = null)
{
if (!$references->hasReferenceHash($this->referenceHash)) {
throw new ChangeOpException("Reference with hash {$this->referenceHash} does not exist");
}
$currentIndex = $references->indexOf($this->reference);
if ($this->index === null && $currentIndex !== false) {
// Set index to current index to not have the reference removed and appended but
// retain its position within the list of references.
$this->index = $currentIndex;
}
if ($references->hasReference($this->reference) && $this->index === $currentIndex) {
throw new ChangeOpException('The statement has already a reference with hash ' . $this->reference->getHash() . ' and index (' . $currentIndex . ') is not changed');
}
$references->removeReferenceHash($this->referenceHash);
$references->addReference($this->reference, $this->index);
$this->updateSummary($summary, 'set');
}
/**
* @dataProvider instanceProvider
* @param ReferenceList $array
*/
public function testIndexOf(ReferenceList $array)
{
$this->assertFalse($array->indexOf(new Reference()));
$i = 0;
foreach ($array as $reference) {
$this->assertEquals($i++, $array->indexOf($reference));
}
}
