Inserts an item at an index. It reads the priority of the item at index within the flattened list
and then inserts the item at that priority-index.
| public insertAt ( $index, $item ) |
public function testInsertAtTPriorityList()
{
$plist = new TPriorityList($this->plist);
$this->assertNull($plist->insertAt(0, $this->pitem3));
$this->assertEquals(-10000000, $plist->priorityAt(0));
try {
$plist->insertAt(5, $this->pitem3);
$this->fail('exception not raised when adding item at an out-of-range index');
} catch (TInvalidDataValueException $e) {
}
$this->assertEquals(100, $plist->priorityAt(4));
}
