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use super::*;
type Element = (usize, &'static str);
fn test_map() -> Vec<Element> {
let mut data = vec![(3, "three-a"), (0, "zero"), (3, "three-b"), (22, "twenty-two")];
data.sort_by_key(get_key);
data
}
fn get_key(data: &Element) -> usize {
data.0
}
#[test]
fn binary_search_slice_test() {
let map = test_map();
assert_eq!(binary_search_slice(&map, get_key, &0), &[(0, "zero")]);
assert_eq!(binary_search_slice(&map, get_key, &1), &[]);
assert_eq!(binary_search_slice(&map, get_key, &3), &[(3, "three-a"), (3, "three-b")]);
assert_eq!(binary_search_slice(&map, get_key, &22), &[(22, "twenty-two")]);
assert_eq!(binary_search_slice(&map, get_key, &23), &[]);
}
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