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//! Test that `PartialOrd` and `Ord` can be derived for tracked structs
use salsa::{Database, DatabaseImpl};
use test_log::test;
#[salsa::input]
#[derive(PartialOrd, Ord)]
struct Input {
value: usize,
}
#[salsa::tracked(debug)]
#[derive(Ord, PartialOrd)]
struct MyTracked<'db> {
value: usize,
}
#[salsa::tracked]
fn create_tracked(db: &dyn Database, input: Input) -> MyTracked<'_> {
MyTracked::new(db, input.value(db))
}
#[test]
fn execute() {
DatabaseImpl::new().attach(|db| {
let input1 = Input::new(db, 20);
let input2 = Input::new(db, 10);
// Compares by ID and not by value.
assert!(input1 <= input2);
let t0: MyTracked = create_tracked(db, input1);
let t1: MyTracked = create_tracked(db, input2);
assert!(t0 <= t1);
})
}
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