public function test_sort_graded()
{
$time = time();
$oldertime = $time - 100;
$newertime = $time + 100;
$older = new \StdClass();
$older->opentime = $oldertime;
$older->closetime = $oldertime;
$older->coursemoduleid = 123;
$newer = new \StdClass();
$newer->opentime = $newertime;
$newer->closetime = $newertime;
$newer->coursemoduleid = 789;
$actual = local::sort_graded($older, $newer);
$this->assertSame(-1, $actual);
$actual = local::sort_graded($newer, $older);
$this->assertSame(1, $actual);
$olderopenonly = new \StdClass();
$olderopenonly->opentime = $oldertime;
$olderopenonly->coursemoduleid = 101;
$neweropenonly = new \StdClass();
$neweropenonly->opentime = $newertime;
$neweropenonly->coursemoduleid = 102;
$actual = local::sort_graded($olderopenonly, $newer);
$this->assertSame(-1, $actual);
$actual = local::sort_graded($olderopenonly, $neweropenonly);
$this->assertSame(-1, $actual);
$actual = local::sort_graded($neweropenonly, $older);
$this->assertSame(1, $actual);
$actual = local::sort_graded($neweropenonly, $olderopenonly);
$this->assertSame(1, $actual);
$one = new \StdClass();
$one->opentime = $time;
$one->closetime = $time;
$one->coursemoduleid = 1;
$two = new \StdClass();
$two->opentime = $time;
$two->closetime = $time;
$two->coursemoduleid = 2;
$actual = local::sort_graded($one, $two);
$this->assertSame(-1, $actual);
$actual = local::sort_graded($two, $one);
$this->assertSame(1, $actual);
// Everything equals itself.
$events = [$older, $newer, $olderopenonly, $neweropenonly, $one, $two];
foreach ($events as $event) {
$actual = local::sort_graded($event, $event);
$this->assertSame(0, $actual);
}
}
