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Add Arc/Rc Eq tests

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This commit is contained in:
Thomas Heck 2018-12-08 09:35:23 +01:00
parent 40d60a4608
commit d828c22bd6
2 changed files with 84 additions and 0 deletions
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42
src/liballoc/tests/arc.rs
View File

@ -10,6 +10,8 @@
use std::any::Any;
use std::sync::{Arc, Weak};
use std::cell::RefCell;
use std::cmp::PartialEq;
#[test]
fn uninhabited() {
@ -53,3 +55,43 @@ fn trait_object() {
b = b.clone();
assert!(b.upgrade().is_none());
}
#[test]
fn float_nan_ne() {
let x = Arc::new(std::f32::NAN);
assert!(x != x);
assert!(!(x == x));
}
#[test]
fn partial_eq() {
struct TestPEq (RefCell<usize>);
impl PartialEq for TestPEq {
fn eq(&self, other: &TestPEq) -> bool {
*self.0.borrow_mut() += 1;
*other.0.borrow_mut() += 1;
true
}
}
let x = Arc::new(TestPEq(RefCell::new(0)));
assert!(x == x);
assert!(!(x != x));
assert_eq!(*x.0.borrow(), 4);
}
#[test]
fn eq() {
#[derive(Eq)]
struct TestEq (RefCell<usize>);
impl PartialEq for TestEq {
fn eq(&self, other: &TestEq) -> bool {
*self.0.borrow_mut() += 1;
*other.0.borrow_mut() += 1;
true
}
}
let x = Arc::new(TestEq(RefCell::new(0)));
assert!(x == x);
assert!(!(x != x));
assert_eq!(*x.0.borrow(), 0);
}

42
src/liballoc/tests/rc.rs
View File

@ -10,6 +10,8 @@
use std::any::Any;
use std::rc::{Rc, Weak};
use std::cell::RefCell;
use std::cmp::PartialEq;
#[test]
fn uninhabited() {
@ -53,3 +55,43 @@ fn trait_object() {
b = b.clone();
assert!(b.upgrade().is_none());
}
#[test]
fn float_nan_ne() {
let x = Rc::new(std::f32::NAN);
assert!(x != x);
assert!(!(x == x));
}
#[test]
fn partial_eq() {
struct TestPEq (RefCell<usize>);
impl PartialEq for TestPEq {
fn eq(&self, other: &TestPEq) -> bool {
*self.0.borrow_mut() += 1;
*other.0.borrow_mut() += 1;
true
}
}
let x = Rc::new(TestPEq(RefCell::new(0)));
assert!(x == x);
assert!(!(x != x));
assert_eq!(*x.0.borrow(), 4);
}
#[test]
fn eq() {
#[derive(Eq)]
struct TestEq (RefCell<usize>);
impl PartialEq for TestEq {
fn eq(&self, other: &TestEq) -> bool {
*self.0.borrow_mut() += 1;
*other.0.borrow_mut() += 1;
true
}
}
let x = Rc::new(TestEq(RefCell::new(0)));
assert!(x == x);
assert!(!(x != x));
assert_eq!(*x.0.borrow(), 0);
}