85 lines
2.8 KiB
Rust
85 lines
2.8 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
use std::slice::BinarySearchResult::{Found, NotFound};
|
|
|
|
#[test]
|
|
fn binary_search_not_found() {
|
|
let b = [1i, 2, 4, 6, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&6)) == Found(3));
|
|
let b = [1i, 2, 4, 6, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&5)) == NotFound(3));
|
|
let b = [1i, 2, 4, 6, 7, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&6)) == Found(3));
|
|
let b = [1i, 2, 4, 6, 7, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&5)) == NotFound(3));
|
|
let b = [1i, 2, 4, 6, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&8)) == Found(4));
|
|
let b = [1i, 2, 4, 6, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&7)) == NotFound(4));
|
|
let b = [1i, 2, 4, 6, 7, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&8)) == Found(5));
|
|
let b = [1i, 2, 4, 5, 6, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&7)) == NotFound(5));
|
|
let b = [1i, 2, 4, 5, 6, 8, 9];
|
|
assert!(b.binary_search(|v| v.cmp(&0)) == NotFound(0));
|
|
let b = [1i, 2, 4, 5, 6, 8];
|
|
assert!(b.binary_search(|v| v.cmp(&9)) == NotFound(6));
|
|
}
|
|
|
|
#[test]
|
|
fn iterator_to_slice() {
|
|
macro_rules! test {
|
|
($data: expr) => {{
|
|
let data: &mut [_] = &mut $data;
|
|
let other_data: &mut [_] = &mut $data;
|
|
|
|
{
|
|
let mut iter = data.iter();
|
|
assert_eq!(iter[], other_data[]);
|
|
|
|
iter.next();
|
|
assert_eq!(iter[], other_data[1..]);
|
|
|
|
iter.next_back();
|
|
assert_eq!(iter[], other_data[1..2]);
|
|
|
|
let s = iter.as_slice();
|
|
iter.next();
|
|
assert_eq!(s, other_data[1..2]);
|
|
}
|
|
{
|
|
let mut iter = data.iter_mut();
|
|
assert_eq!(iter[], other_data[]);
|
|
// mutability:
|
|
assert!(iter[mut] == other_data);
|
|
|
|
iter.next();
|
|
assert_eq!(iter[], other_data[1..]);
|
|
assert!(iter[mut] == other_data[mut 1..]);
|
|
|
|
iter.next_back();
|
|
|
|
assert_eq!(iter[], other_data[1..2]);
|
|
assert!(iter[mut] == other_data[mut 1..2]);
|
|
|
|
let s = iter.into_slice();
|
|
assert!(s == other_data[mut 1..2]);
|
|
}
|
|
}}
|
|
}
|
|
|
|
// try types of a variety of sizes
|
|
test!([(1u64, 1u64, 1u8), (2, 2, 2), (3, 3, 3)]);
|
|
test!([1u64,2,3]);
|
|
test!([1u8,2,3]);
|
|
test!([(),(),()]);
|
|
}
|