rust/tests/ui/derive_partial_eq_without_eq.fixed

105 lines
1.8 KiB
Rust

// run-rustfix
#![allow(unused)]
#![warn(clippy::derive_partial_eq_without_eq)]
// Don't warn on structs that aren't PartialEq
struct NotPartialEq {
foo: u32,
bar: String,
}
// Eq can be derived but is missing
#[derive(Debug, PartialEq, Eq)]
struct MissingEq {
foo: u32,
bar: String,
}
// Eq is derived
#[derive(PartialEq, Eq)]
struct NotMissingEq {
foo: u32,
bar: String,
}
// Eq is manually implemented
#[derive(PartialEq)]
struct ManualEqImpl {
foo: u32,
bar: String,
}
impl Eq for ManualEqImpl {}
// Cannot be Eq because f32 isn't Eq
#[derive(PartialEq)]
struct CannotBeEq {
foo: u32,
bar: f32,
}
// Don't warn if PartialEq is manually implemented
struct ManualPartialEqImpl {
foo: u32,
bar: String,
}
impl PartialEq for ManualPartialEqImpl {
fn eq(&self, other: &Self) -> bool {
self.foo == other.foo && self.bar == other.bar
}
}
// Generic fields should be properly checked for Eq-ness
#[derive(PartialEq)]
struct GenericNotEq<T: Eq, U: PartialEq> {
foo: T,
bar: U,
}
#[derive(PartialEq, Eq)]
struct GenericEq<T: Eq, U: Eq> {
foo: T,
bar: U,
}
#[derive(PartialEq, Eq)]
struct TupleStruct(u32);
#[derive(PartialEq, Eq)]
struct GenericTupleStruct<T: Eq>(T);
#[derive(PartialEq)]
struct TupleStructNotEq(f32);
#[derive(PartialEq, Eq)]
enum Enum {
Foo(u32),
Bar { a: String, b: () },
}
#[derive(PartialEq, Eq)]
enum GenericEnum<T: Eq, U: Eq, V: Eq> {
Foo(T),
Bar { a: U, b: V },
}
#[derive(PartialEq)]
enum EnumNotEq {
Foo(u32),
Bar { a: String, b: f32 },
}
// Ensure that rustfix works properly when `PartialEq` has other derives on either side
#[derive(Debug, PartialEq, Eq, Clone)]
struct RustFixWithOtherDerives;
#[derive(PartialEq)]
struct Generic<T>(T);
#[derive(PartialEq, Eq)]
struct GenericPhantom<T>(core::marker::PhantomData<T>);
fn main() {}