// priv-in-pub lint tests where the private type appears in the
// `where` clause of a public item

#![crate_type = "lib"]
#![feature(generic_const_exprs)]
#![feature(type_privacy_lints)]
#![allow(incomplete_features)]
#![warn(private_bounds)]
#![warn(private_interfaces)]

// In this test both old and new private-in-public diagnostic were emitted.
// Old diagnostic will be deleted soon.
// See https://rust-lang.github.io/rfcs/2145-type-privacy.html.

struct PrivTy;
trait PrivTr {}
pub struct PubTy;
pub struct PubTyGeneric<T>(T);
pub trait PubTr {}
impl PubTr for PrivTy {}
pub trait PubTrWithAssocTy { type AssocTy; }
impl PubTrWithAssocTy for PrivTy { type AssocTy = PrivTy; }


pub struct S
//~^ WARNING private type `PrivTy` in public interface
//~| WARNING hard error
//~| WARNING type `PrivTy` is more private than the item `S`
where
    PrivTy:
{}


pub enum E
//~^ WARNING private type `PrivTy` in public interface
//~| WARNING hard error
//~| WARNING type `PrivTy` is more private than the item `E`
where
    PrivTy:
{}


pub fn f()
//~^ WARNING private type `PrivTy` in public interface
//~| WARNING hard error
//~| WARNING type `PrivTy` is more private than the item `f`
where
    PrivTy:
{}


impl S
//~^ ERROR private type `PrivTy` in public interface
//~| WARNING type `PrivTy` is more private than the item `S`
where
    PrivTy:
{
    pub fn f()
    //~^ WARNING private type `PrivTy` in public interface
    //~| WARNING hard error
    //~| WARNING type `PrivTy` is more private than the item `S::f`
    where
        PrivTy:
    {}
}


impl PubTr for PubTy
where
    PrivTy:
{}


impl<T> PubTr for PubTyGeneric<T>
where
    T: PubTrWithAssocTy<AssocTy=PrivTy>
{}


pub struct Const<const U: u8>;

pub trait Trait {
    type AssocTy;
    fn assoc_fn() -> Self::AssocTy;
}

impl<const U: u8> Trait for Const<U>
where
    Const<{ my_const_fn(U) }>: ,
{
    type AssocTy = Const<{ my_const_fn(U) }>;
    //~^ ERROR private type
    //~| WARNING type `fn(u8) -> u8 {my_const_fn}` is more private than the item `<Const<U> as Trait>::AssocTy`
    fn assoc_fn() -> Self::AssocTy {
        Const
    }
}

const fn my_const_fn(val: u8) -> u8 {
    // body of this function doesn't matter
    val
}