rust/library/core/tests/tuple.rs
2020-07-27 19:51:13 -05:00

62 lines
1.5 KiB
Rust

use std::cmp::Ordering::{Equal, Greater, Less};
#[test]
fn test_clone() {
let a = (1, "2");
let b = a.clone();
assert_eq!(a, b);
}
#[test]
fn test_partial_eq() {
let (small, big) = ((1, 2, 3), (3, 2, 1));
assert_eq!(small, small);
assert_eq!(big, big);
assert_ne!(small, big);
assert_ne!(big, small);
}
#[test]
fn test_partial_ord() {
let (small, big) = ((1, 2, 3), (3, 2, 1));
assert!(small < big);
assert!(!(small < small));
assert!(!(big < small));
assert!(!(big < big));
assert!(small <= small);
assert!(big <= big);
assert!(big > small);
assert!(small >= small);
assert!(big >= small);
assert!(big >= big);
assert!(!((1.0f64, 2.0f64) < (f64::NAN, 3.0)));
assert!(!((1.0f64, 2.0f64) <= (f64::NAN, 3.0)));
assert!(!((1.0f64, 2.0f64) > (f64::NAN, 3.0)));
assert!(!((1.0f64, 2.0f64) >= (f64::NAN, 3.0)));
assert!(((1.0f64, 2.0f64) < (2.0, f64::NAN)));
assert!(!((2.0f64, 2.0f64) < (2.0, f64::NAN)));
}
#[test]
fn test_ord() {
let (small, big) = ((1, 2, 3), (3, 2, 1));
assert_eq!(small.cmp(&small), Equal);
assert_eq!(big.cmp(&big), Equal);
assert_eq!(small.cmp(&big), Less);
assert_eq!(big.cmp(&small), Greater);
}
#[test]
fn test_show() {
let s = format!("{:?}", (1,));
assert_eq!(s, "(1,)");
let s = format!("{:?}", (1, true));
assert_eq!(s, "(1, true)");
let s = format!("{:?}", (1, "hi", true));
assert_eq!(s, "(1, \"hi\", true)");
}