public function testInsertNext() { $list = new Sabel_Util_HashList(); $list->add("a", "1"); $list->add("b", "2"); $list->add("c", "3"); $list->insertNext("a", "d", "4"); $this->assertEquals(4, $list->count()); $this->assertEquals("1", $list->next()); $this->assertEquals("4", $list->next()); $this->assertEquals("2", $list->next()); $this->assertEquals("3", $list->next()); }