/**
* Tests the is_available_for_all() function.
*/
public function test_is_available_for_all()
{
// Empty tree is always available.
$structure = tree::get_root_json(array(), tree::OP_OR);
$tree = new tree($structure);
$this->assertTrue($tree->is_available_for_all());
// Tree with normal item in it, not always available.
$structure->c[0] = (object) array('type' => 'mock');
$tree = new tree($structure);
$this->assertFalse($tree->is_available_for_all());
// OR tree with one always-available item.
$structure->c[1] = self::mock(array('all' => true));
$tree = new tree($structure);
$this->assertTrue($tree->is_available_for_all());
// AND tree with one always-available and one not.
$structure->op = '&';
$structure->showc = array(true, true);
unset($structure->show);
$tree = new tree($structure);
$this->assertFalse($tree->is_available_for_all());
// Test NOT conditions (items not always-available).
$structure->op = '!&';
$structure->show = true;
unset($structure->showc);
$tree = new tree($structure);
$this->assertFalse($tree->is_available_for_all());
// Test again with one item always-available for NOT mode.
$structure->c[1]->allnot = true;
$tree = new tree($structure);
$this->assertTrue($tree->is_available_for_all());
}
