use fitsio::FitsFile;
#[test]
fn test_square_array() {
/* This file contains a square array of 5x5 pixels:
*
* [ 0, 1, 2, 3, 4,
* 5, 6, 7, 8, 9,
* 10, 11, 12, 13, 14,
* 15, 16, 17, 18, 19,
* 20, 21, 22, 23, 24]
*
* We check that the x-values (1..3) (exclusive of the top end), and y-values (2..4)
* (exclusive of the top end) return what we expect.
*/
let filename = "../testdata/square_array.fits";
let mut f = FitsFile::open(filename).unwrap();
let phdu = f.primary_hdu().unwrap();
let ranges = vec![&(1..3), &(2..4)];
let data: Vec<u32> = phdu.read_region(&mut f, &ranges).unwrap();
assert_eq!(data, vec![11, 12, 16, 17]);
}