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