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53 changes: 26 additions & 27 deletions src/libcoretest/iter.rs
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@
// except according to those terms.

use core::iter::*;
use core::iter::order::*;
use core::{i8, i16, isize};
use core::usize;

Expand All @@ -21,51 +20,51 @@ fn test_lt() {
let xs = [1,2,3];
let ys = [1,2,0];

assert!(!lt(xs.iter(), ys.iter()));
assert!(!le(xs.iter(), ys.iter()));
assert!( gt(xs.iter(), ys.iter()));
assert!( ge(xs.iter(), ys.iter()));
assert!(!xs.iter().lt(ys.iter()));
assert!(!xs.iter().le(ys.iter()));
assert!( xs.iter().gt(ys.iter()));
assert!( xs.iter().ge(ys.iter()));

assert!( lt(ys.iter(), xs.iter()));
assert!( le(ys.iter(), xs.iter()));
assert!(!gt(ys.iter(), xs.iter()));
assert!(!ge(ys.iter(), xs.iter()));
assert!( ys.iter().lt(xs.iter()));
assert!( ys.iter().le(xs.iter()));
assert!(!ys.iter().gt(xs.iter()));
assert!(!ys.iter().ge(xs.iter()));

assert!( lt(empty.iter(), xs.iter()));
assert!( le(empty.iter(), xs.iter()));
assert!(!gt(empty.iter(), xs.iter()));
assert!(!ge(empty.iter(), xs.iter()));
assert!( empty.iter().lt(xs.iter()));
assert!( empty.iter().le(xs.iter()));
assert!(!empty.iter().gt(xs.iter()));
assert!(!empty.iter().ge(xs.iter()));

// Sequence with NaN
let u = [1.0f64, 2.0];
let v = [0.0f64/0.0, 3.0];

assert!(!lt(u.iter(), v.iter()));
assert!(!le(u.iter(), v.iter()));
assert!(!gt(u.iter(), v.iter()));
assert!(!ge(u.iter(), v.iter()));
assert!(!u.iter().lt(v.iter()));
assert!(!u.iter().le(v.iter()));
assert!(!u.iter().gt(v.iter()));
assert!(!u.iter().ge(v.iter()));

let a = [0.0f64/0.0];
let b = [1.0f64];
let c = [2.0f64];

assert!(lt(a.iter(), b.iter()) == (a[0] < b[0]));
assert!(le(a.iter(), b.iter()) == (a[0] <= b[0]));
assert!(gt(a.iter(), b.iter()) == (a[0] > b[0]));
assert!(ge(a.iter(), b.iter()) == (a[0] >= b[0]));
assert!(a.iter().lt(b.iter()) == (a[0] < b[0]));
assert!(a.iter().le(b.iter()) == (a[0] <= b[0]));
assert!(a.iter().gt(b.iter()) == (a[0] > b[0]));
assert!(a.iter().ge(b.iter()) == (a[0] >= b[0]));

assert!(lt(c.iter(), b.iter()) == (c[0] < b[0]));
assert!(le(c.iter(), b.iter()) == (c[0] <= b[0]));
assert!(gt(c.iter(), b.iter()) == (c[0] > b[0]));
assert!(ge(c.iter(), b.iter()) == (c[0] >= b[0]));
assert!(c.iter().lt(b.iter()) == (c[0] < b[0]));
assert!(c.iter().le(b.iter()) == (c[0] <= b[0]));
assert!(c.iter().gt(b.iter()) == (c[0] > b[0]));
assert!(c.iter().ge(b.iter()) == (c[0] >= b[0]));
}

#[test]
fn test_multi_iter() {
let xs = [1,2,3,4];
let ys = [4,3,2,1];
assert!(eq(xs.iter(), ys.iter().rev()));
assert!(lt(xs.iter(), xs.iter().skip(2)));
assert!(xs.iter().eq(ys.iter().rev()));
assert!(xs.iter().lt(xs.iter().skip(2)));
}

#[test]
Expand Down