extern crate qindex_multi;
extern crate vec_map;

use vec_map::VecMap;
use qindex_multi::{MultiIndexable, MultiIndex};

#[test]
fn test1(){
    let mut data = VecMap::new();
    data.insert(0, 100u16); 
    data.insert(2, 200);
    data.insert(20, 300);
    data.insert(200, 400);

    let read_indicies = vec![0usize, 2, 20];
    let write_indicies = vec![200usize];

    let multi_idx = MultiIndex::new(read_indicies, write_indicies);

    {
        let mut output = data.index_multi(&multi_idx);
        
        let (a, b, c) = (output.read.next().unwrap(), output.read.next().unwrap(), output.read.next().unwrap());
        let d = output.write.next().unwrap();
        *d += *a + *b + c; 
        
    }
    assert_eq!(data[200], 1000);
}