function test_from_turtle_parses_datatypes()
{
$g = new SimpleGraph();
$g->from_turtle('<http://example.org/subj> <http://example.org/pred> "1390"^^<http://www.w3.org/2001/XMLSchema#gYear> .');
$this->assertEquals(1, count($g->get_triples()));
$index = $g->get_index();
$this->assertEquals("1390", $index['http://example.org/subj']['http://example.org/pred'][0]['value']);
$this->assertEquals("http://www.w3.org/2001/XMLSchema#gYear", $index['http://example.org/subj']['http://example.org/pred'][0]['datatype']);
}
function test_get_resource_property_values()
{
$ex = "http://example.com/";
$turtle = <<<_TTL_
@base <{$ex}> .
<s> <has> <a> , <b> , <c> , <d> , <e> .
<a> <p> 2 .
<b> <p> 3 .
<c> <p> 1 .
<e> <p> "!" , "_" .
_TTL_;
$graph = new SimpleGraph();
$graph->from_turtle($turtle);
$expected = array($ex . 'd', $ex . 'e', $ex . 'c', $ex . 'a', $ex . 'b');
$actual = $graph->get_resource_triple_values($ex . 's', $ex . 'has', $ex . 'p');
$actual_r = $graph->get_resource_triple_values($ex . 's', $ex . 'has', $ex . 'p', true);
$actual_unsorted = $graph->get_resource_triple_values($ex . 's', $ex . 'has');
$this->assertEquals($expected, $actual, "should return the resource values of one property, ordered by a property of those resources");
$this->assertEquals(array_reverse($expected), $actual_r, "should return the resource values of one property, ordered by a property of those resources, sorted in descending order");
$this->assertEquals(count($actual), count($actual_unsorted), "number of results should be the same whether sorted or not");
}
