public function testDiffChangesets()
{
$hunk = new DifferentialHunkModern();
$hunk->setChanges("+a\n b\n-c");
$hunk->setNewOffset(1);
$hunk->setNewLen(2);
$left = new DifferentialChangeset();
$left->attachHunks(array($hunk));
$tests = array("+a\n b\n-c" => array(array(), array()), "+a\n x\n-c" => array(array(), array()), "+aa\n b\n-c" => array(array(1), array(11)), " b\n-c" => array(array(1), array()), "+a\n b\n c" => array(array(), array(13)), "+a\n x\n c" => array(array(), array(13)));
foreach ($tests as $changes => $expected) {
$hunk = new DifferentialHunkModern();
$hunk->setChanges($changes);
$hunk->setNewOffset(11);
$hunk->setNewLen(3);
$right = new DifferentialChangeset();
$right->attachHunks(array($hunk));
$parser = new DifferentialChangesetParser();
$parser->setOriginals($left, $right);
$this->assertEqual($expected, $parser->diffOriginals(), $changes);
}
}
