public function testDynamicInsertAndCursor()
{
$list = new Sabel_Util_HashList();
$list->add("a", "1");
$list->add("b", "2");
$list->add("c", "3");
$this->assertEquals("1", $list->next());
$list->insertNext("b", "d", "4");
// 1 2 4 3
$this->assertEquals("2", $list->next());
$this->assertEquals("4", $list->next());
$list->insertPrevious("b", "e", "5");
// 1 5 2 4 3
$this->assertEquals("3", $list->next());
$this->assertEquals("4", $list->previous());
$list->insertPrevious("c", "f", "6");
// 1 5 2 4 6 3
$this->assertEquals("6", $list->next());
$this->assertEquals("3", $list->next());
$this->assertNull($list->next());
$list->last();
$list->insertNext("c", "g", "7");
// 1 5 2 4 6 3 7
$this->assertEquals("7", $list->previous());
$this->assertEquals("3", $list->previous());
$this->assertEquals("6", $list->previous());
$this->assertEquals("4", $list->previous());
$this->assertEquals("2", $list->previous());
$this->assertEquals("5", $list->previous());
$this->assertEquals("1", $list->previous());
$this->assertNull($list->previous());
}
