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