rust/src/libcoretest/ops.rs
Alex Crichton 43bfaa4a33 Mass rename uint/int to usize/isize
Now that support has been removed, all lingering use cases are renamed.
2015-03-26 12:10:22 -07:00

69 lines
1.5 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 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;
}