/**
* @dataProvider newFromArraysProvider
*/
public function testNewFromArrays(array $from, array $to, array $additions, array $removals)
{
$differ = new ListDiffer(new NativeArrayComparer());
$diff = new Diff($differ->doDiff($from, $to), false);
$this->assertInstanceOf('\\Diff\\DiffOp\\DiffOp', $diff);
$this->assertInstanceOf('\\Diff\\DiffOp\\Diff\\Diff', $diff);
$this->assertInstanceOf('\\ArrayObject', $diff);
// array_values because we only care about the values, not promises are made about the keys.
$resultAdditions = array_values($diff->getAddedValues());
$resultRemovals = array_values($diff->getRemovedValues());
// Sort everything since no promises are made about ordering.
asort($resultAdditions);
asort($resultRemovals);
asort($additions);
asort($removals);
$this->assertEquals($additions, $resultAdditions, 'additions mismatch');
$this->assertEquals($removals, $resultRemovals, 'removals mismatch');
$this->assertEquals($additions === array() && $removals === array(), $diff->isEmpty());
}
/**
* @see Differ::doDiff
*
* @since 0.9
*
* @param array $oldValues The first array
* @param array $newValues The second array
*
* @return DiffOp[]
*/
public function doDiff(array $oldValues, array $newValues)
{
return $this->differ->doDiff($oldValues, $newValues);
}
public function testDiffCallsArrayComparatorCorrectly()
{
$arrayComparer = $this->getMock('Diff\\ArrayComparer\\ArrayComparer');
$arrayComparer->expects($this->exactly(2))->method('diffArrays')->with($this->equalTo(array(42)), $this->equalTo(array(42)))->will($this->returnValue(array()));
$differ = new ListDiffer($arrayComparer);
$differ->doDiff(array(42), array(42));
}
