| // 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 test::Bencher; |
| use core::ops::{Range, RangeFull, RangeFrom, RangeTo}; |
| |
| // Overhead of dtors |
| |
| struct HasDtor { |
| _x: isize |
| } |
| |
| impl Drop for HasDtor { |
| fn drop(&mut self) { |
| } |
| } |
| |
| #[bench] |
| fn alloc_obj_with_dtor(b: &mut Bencher) { |
| b.iter(|| { |
| HasDtor { _x : 10 }; |
| }) |
| } |
| |
| // Test the Range structs without the syntactic sugar. |
| |
| #[test] |
| fn test_range() { |
| let r = Range { start: 2, end: 10 }; |
| let mut count = 0; |
| for (i, ri) in r.enumerate() { |
| assert!(ri == i + 2); |
| assert!(ri >= 2 && ri < 10); |
| count += 1; |
| } |
| assert!(count == 8); |
| } |
| |
| #[test] |
| fn test_range_from() { |
| let r = RangeFrom { start: 2 }; |
| let mut count = 0; |
| for (i, ri) in r.take(10).enumerate() { |
| assert!(ri == i + 2); |
| assert!(ri >= 2 && ri < 12); |
| count += 1; |
| } |
| assert!(count == 10); |
| } |
| |
| #[test] |
| fn test_range_to() { |
| // Not much to test. |
| let _ = RangeTo { end: 42 }; |
| } |
| |
| #[test] |
| fn test_full_range() { |
| // Not much to test. |
| let _ = RangeFull; |
| } |