diff options
Diffstat (limited to 'tests')
77 files changed, 1498 insertions, 46 deletions
diff --git a/tests/rustdoc/generic-const-items.rs b/tests/rustdoc/generic-const-items.rs new file mode 100644 index 00000000000..e2c6a027afa --- /dev/null +++ b/tests/rustdoc/generic-const-items.rs @@ -0,0 +1,38 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +// @has 'generic_const_items/constant.K.html' +// @has - '//*[@class="rust item-decl"]//code' \ +// "pub const K<'a, T: 'a + Copy, const N: usize>: Option<[T; N]> \ +// where \ +// String: From<T>;" +pub const K<'a, T: 'a + Copy, const N: usize>: Option<[T; N]> = None +where + String: From<T>; + +// @has generic_const_items/trait.Trait.html +pub trait Trait<T: ?Sized> { + // @has - '//*[@id="associatedconstant.C"]' \ + // "const C<'a>: &'a T \ + // where \ + // T: 'a + Eq" + const C<'a>: &'a T + where + T: 'a + Eq; +} + +pub struct Implementor; + +// @has generic_const_items/struct.Implementor.html +// @has - '//h3[@class="code-header"]' 'impl Trait<str> for Implementor' +impl Trait<str> for Implementor { + // @has - '//*[@id="associatedconstant.C"]' \ + // "const C<'a>: &'a str = \"C\" \ + // where \ + // str: 'a" + const C<'a>: &'a str = "C" + // In real code we could've left off this bound but adding it explicitly allows us to test if + // we render where-clauses on associated consts inside impl blocks correctly. + where + str: 'a; +} diff --git a/tests/rustdoc/inline_cross/auxiliary/generic-const-items.rs b/tests/rustdoc/inline_cross/auxiliary/generic-const-items.rs new file mode 100644 index 00000000000..0fc7a7aaea2 --- /dev/null +++ b/tests/rustdoc/inline_cross/auxiliary/generic-const-items.rs @@ -0,0 +1,22 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +pub const K<'a, T: 'a + Copy, const N: usize>: Option<[T; N]> = None +where + String: From<T>; + +pub trait Trait<T: ?Sized> { + const C<'a>: &'a T + where + T: 'a + Eq; +} + +pub struct Implementor; + +impl Trait<str> for Implementor { + const C<'a>: &'a str = "C" + // In real code we could've left off this bound but adding it explicitly allows us to test if + // we render where-clauses on associated consts inside impl blocks correctly. + where + str: 'a; +} diff --git a/tests/rustdoc/inline_cross/generic-const-items.rs b/tests/rustdoc/inline_cross/generic-const-items.rs new file mode 100644 index 00000000000..70cf7af888e --- /dev/null +++ b/tests/rustdoc/inline_cross/generic-const-items.rs @@ -0,0 +1,26 @@ +#![crate_name = "user"] + +// aux-crate:generic_const_items=generic-const-items.rs +// edition:2021 + +// @has 'user/constant.K.html' +// @has - '//*[@class="rust item-decl"]//code' \ +// "pub const K<'a, T: 'a + Copy, const N: usize>: Option<[T; N]> \ +// where \ +// String: From<T>;" +pub use generic_const_items::K; + +// @has user/trait.Trait.html +// @has - '//*[@id="associatedconstant.C"]' \ +// "const C<'a>: &'a T \ +// where \ +// T: 'a + Eq" +pub use generic_const_items::Trait; + +// @has user/struct.Implementor.html +// @has - '//h3[@class="code-header"]' 'impl Trait<str> for Implementor' +// @has - '//*[@id="associatedconstant.C"]' \ +// "const C<'a>: &'a str = \"C\" \ +// where \ +// str: 'a" +pub use generic_const_items::Implementor; diff --git a/tests/ui/diagnostic_namespace/auxiliary/proc-macro-helper.rs b/tests/ui/diagnostic_namespace/auxiliary/proc-macro-helper.rs new file mode 100644 index 00000000000..759c32c8453 --- /dev/null +++ b/tests/ui/diagnostic_namespace/auxiliary/proc-macro-helper.rs @@ -0,0 +1,12 @@ +// force-host +// no-prefer-dynamic +#![crate_type = "proc-macro"] + +extern crate proc_macro; + +use proc_macro::TokenStream; + +#[proc_macro_attribute] +pub fn diagnostic(i: TokenStream, _: TokenStream) -> TokenStream { + i +} diff --git a/tests/ui/diagnostic_namespace/can_use_the_diagnostic_name_in_other_places.rs b/tests/ui/diagnostic_namespace/can_use_the_diagnostic_name_in_other_places.rs new file mode 100644 index 00000000000..08b4d68779c --- /dev/null +++ b/tests/ui/diagnostic_namespace/can_use_the_diagnostic_name_in_other_places.rs @@ -0,0 +1,13 @@ +// check-pass + +mod diagnostic {} + +macro_rules! diagnostic{ + () => {} +} + +#[allow(non_upper_case_globals)] +const diagnostic: () = (); + +fn main() { +} diff --git a/tests/ui/diagnostic_namespace/existing_proc_macros.rs b/tests/ui/diagnostic_namespace/existing_proc_macros.rs new file mode 100644 index 00000000000..d6d1fb01496 --- /dev/null +++ b/tests/ui/diagnostic_namespace/existing_proc_macros.rs @@ -0,0 +1,24 @@ +#![feature(diagnostic_namespace)] +// check-pass +// aux-build:proc-macro-helper.rs + +extern crate proc_macro_helper; + +mod test1 { + use proc_macro_helper::diagnostic; + + #[diagnostic] + struct Foo; + +} + +mod test2 { + mod diagnostic { + pub use proc_macro_helper::diagnostic as on_unimplemented; + } + + #[diagnostic::on_unimplemented] + trait Foo {} +} + +fn main() {} diff --git a/tests/ui/diagnostic_namespace/feature-gate-diagnostic_namespace.rs b/tests/ui/diagnostic_namespace/feature-gate-diagnostic_namespace.rs new file mode 100644 index 00000000000..a686ed9c84e --- /dev/null +++ b/tests/ui/diagnostic_namespace/feature-gate-diagnostic_namespace.rs @@ -0,0 +1,13 @@ +#[diagnostic::non_existing_attribute] +//~^ERROR `#[diagnostic]` attribute name space is experimental [E0658] +//~|WARNING unknown diagnostic attribute [unknown_diagnostic_attributes] +pub trait Bar { +} + +#[diagnostic::non_existing_attribute(with_option = "foo")] +//~^ERROR `#[diagnostic]` attribute name space is experimental [E0658] +//~|WARNING unknown diagnostic attribute [unknown_diagnostic_attributes] +struct Foo; + +fn main() { +} diff --git a/tests/ui/diagnostic_namespace/feature-gate-diagnostic_namespace.stderr b/tests/ui/diagnostic_namespace/feature-gate-diagnostic_namespace.stderr new file mode 100644 index 00000000000..45c95cbb3c7 --- /dev/null +++ b/tests/ui/diagnostic_namespace/feature-gate-diagnostic_namespace.stderr @@ -0,0 +1,35 @@ +error[E0658]: `#[diagnostic]` attribute name space is experimental + --> $DIR/feature-gate-diagnostic_namespace.rs:1:3 + | +LL | #[diagnostic::non_existing_attribute] + | ^^^^^^^^^^ + | + = note: see issue #94785 <https://github.com/rust-lang/rust/issues/94785> for more information + = help: add `#![feature(diagnostic_namespace)]` to the crate attributes to enable + +error[E0658]: `#[diagnostic]` attribute name space is experimental + --> $DIR/feature-gate-diagnostic_namespace.rs:7:3 + | +LL | #[diagnostic::non_existing_attribute(with_option = "foo")] + | ^^^^^^^^^^ + | + = note: see issue #94785 <https://github.com/rust-lang/rust/issues/94785> for more information + = help: add `#![feature(diagnostic_namespace)]` to the crate attributes to enable + +warning: unknown diagnostic attribute + --> $DIR/feature-gate-diagnostic_namespace.rs:1:15 + | +LL | #[diagnostic::non_existing_attribute] + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `#[warn(unknown_diagnostic_attributes)]` on by default + +warning: unknown diagnostic attribute + --> $DIR/feature-gate-diagnostic_namespace.rs:7:15 + | +LL | #[diagnostic::non_existing_attribute(with_option = "foo")] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors; 2 warnings emitted + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/diagnostic_namespace/non_existing_attributes_accepted.rs b/tests/ui/diagnostic_namespace/non_existing_attributes_accepted.rs new file mode 100644 index 00000000000..677bd5a7343 --- /dev/null +++ b/tests/ui/diagnostic_namespace/non_existing_attributes_accepted.rs @@ -0,0 +1,13 @@ +#![feature(diagnostic_namespace)] +// check-pass +#[diagnostic::non_existing_attribute] +//~^WARN unknown diagnostic attribute +pub trait Bar { +} + +#[diagnostic::non_existing_attribute(with_option = "foo")] +//~^WARN unknown diagnostic attribute +struct Foo; + +fn main() { +} diff --git a/tests/ui/diagnostic_namespace/non_existing_attributes_accepted.stderr b/tests/ui/diagnostic_namespace/non_existing_attributes_accepted.stderr new file mode 100644 index 00000000000..4f9b7ba2bcf --- /dev/null +++ b/tests/ui/diagnostic_namespace/non_existing_attributes_accepted.stderr @@ -0,0 +1,16 @@ +warning: unknown diagnostic attribute + --> $DIR/non_existing_attributes_accepted.rs:3:15 + | +LL | #[diagnostic::non_existing_attribute] + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `#[warn(unknown_diagnostic_attributes)]` on by default + +warning: unknown diagnostic attribute + --> $DIR/non_existing_attributes_accepted.rs:8:15 + | +LL | #[diagnostic::non_existing_attribute(with_option = "foo")] + | ^^^^^^^^^^^^^^^^^^^^^^ + +warning: 2 warnings emitted + diff --git a/tests/ui/diagnostic_namespace/requires_path.rs b/tests/ui/diagnostic_namespace/requires_path.rs new file mode 100644 index 00000000000..e8d6ca73ad0 --- /dev/null +++ b/tests/ui/diagnostic_namespace/requires_path.rs @@ -0,0 +1,9 @@ +#![feature(diagnostic_namespace)] + +#[diagnostic] +//~^ERROR cannot find attribute `diagnostic` in this scope +pub struct Bar; + + +fn main() { +} diff --git a/tests/ui/diagnostic_namespace/requires_path.stderr b/tests/ui/diagnostic_namespace/requires_path.stderr new file mode 100644 index 00000000000..ce867621daa --- /dev/null +++ b/tests/ui/diagnostic_namespace/requires_path.stderr @@ -0,0 +1,8 @@ +error: cannot find attribute `diagnostic` in this scope + --> $DIR/requires_path.rs:3:3 + | +LL | #[diagnostic] + | ^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/generic-const-items/associated-const-equality.rs b/tests/ui/generic-const-items/associated-const-equality.rs new file mode 100644 index 00000000000..785d3aa5018 --- /dev/null +++ b/tests/ui/generic-const-items/associated-const-equality.rs @@ -0,0 +1,22 @@ +// check-pass + +#![feature(generic_const_items, associated_const_equality)] +#![allow(incomplete_features)] + +trait Owner { + const C<const N: u32>: u32; + const K<const N: u32>: u32; +} + +impl Owner for () { + const C<const N: u32>: u32 = N; + const K<const N: u32>: u32 = N + 1; +} + +fn take0<const N: u32>(_: impl Owner<C<N> = { N }>) {} +fn take1(_: impl Owner<K<99> = 100>) {} + +fn main() { + take0::<128>(()); + take1(()); +} diff --git a/tests/ui/generic-const-items/basic.rs b/tests/ui/generic-const-items/basic.rs new file mode 100644 index 00000000000..73bfa803acd --- /dev/null +++ b/tests/ui/generic-const-items/basic.rs @@ -0,0 +1,61 @@ +// check-pass + +// Basic usage patterns of free & associated generic const items. + +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +fn main() { + const NULL<T>: Option<T> = None::<T>; + const NOTHING<T>: Option<T> = None; // arg inferred + + let _ = NOTHING::<String>; + let _: Option<u8> = NULL; // arg inferred + + const IDENTITY<const X: u64>: u64 = X; + + const COUNT: u64 = IDENTITY::<48>; + const AMOUNT: u64 = IDENTITY::<COUNT>; + const NUMBER: u64 = IDENTITY::<{ AMOUNT * 2 }>; + let _ = NUMBER; + let _ = IDENTITY::<0>; + + let _ = match 0 { + IDENTITY::<1> => 2, + IDENTITY::<{ 1 + 1 }> => 4, + _ => 0, + }; + + const CREATE<I: Inhabited>: I = I::PROOF; + let _ = CREATE::<u64>; + let _: u64 = CREATE; // arg inferred + + let _ = <() as Main<u64>>::MAKE::<u64>; + let _: (u64, u64) = <()>::MAKE; // args inferred +} + +pub fn usage<'any>() { + const REGION_POLY<'a>: &'a () = &(); + + let _: &'any () = REGION_POLY::<'any>; + let _: &'any () = REGION_POLY::<'_>; + let _: &'static () = REGION_POLY; +} + +trait Main<O> { + type Output<I>; + const MAKE<I: Inhabited>: Self::Output<I>; +} + +impl<O: Inhabited> Main<O> for () { + type Output<I> = (O, I); + const MAKE<I: Inhabited>: Self::Output<I> = (O::PROOF, I::PROOF); +} + +trait Inhabited { + const PROOF: Self; +} + +impl Inhabited for u64 { + const PROOF: Self = 512; +} diff --git a/tests/ui/generic-const-items/compare-impl-item.rs b/tests/ui/generic-const-items/compare-impl-item.rs new file mode 100644 index 00000000000..01e4477c698 --- /dev/null +++ b/tests/ui/generic-const-items/compare-impl-item.rs @@ -0,0 +1,30 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +trait Trait<P> { + const A: (); + const B<const K: u64, const Q: u64>: u64; + const C<T>: T; + const D<const N: usize>: usize; + + const E: usize; + const F<T: PartialEq>: (); +} + +impl<P> Trait<P> for () { + const A<T>: () = (); + //~^ ERROR const `A` has 1 type parameter but its trait declaration has 0 type parameters + const B<const K: u64>: u64 = 0; + //~^ ERROR const `B` has 1 const parameter but its trait declaration has 2 const parameters + const C<'a>: &'a str = ""; + //~^ ERROR const `C` has 0 type parameters but its trait declaration has 1 type parameter + const D<const N: u16>: u16 = N; + //~^ ERROR const `D` has an incompatible generic parameter for trait `Trait` + + const E: usize = 1024 + where + P: Copy; //~ ERROR impl has stricter requirements than trait + const F<T: Eq>: () = (); //~ ERROR impl has stricter requirements than trait +} + +fn main() {} diff --git a/tests/ui/generic-const-items/compare-impl-item.stderr b/tests/ui/generic-const-items/compare-impl-item.stderr new file mode 100644 index 00000000000..8610d8cba00 --- /dev/null +++ b/tests/ui/generic-const-items/compare-impl-item.stderr @@ -0,0 +1,66 @@ +error[E0049]: const `A` has 1 type parameter but its trait declaration has 0 type parameters + --> $DIR/compare-impl-item.rs:15:13 + | +LL | const A: (); + | - expected 0 type parameters +... +LL | const A<T>: () = (); + | ^ found 1 type parameter + +error[E0049]: const `B` has 1 const parameter but its trait declaration has 2 const parameters + --> $DIR/compare-impl-item.rs:17:13 + | +LL | const B<const K: u64, const Q: u64>: u64; + | ------------ ------------ + | | + | expected 2 const parameters +... +LL | const B<const K: u64>: u64 = 0; + | ^^^^^^^^^^^^ found 1 const parameter + +error[E0049]: const `C` has 0 type parameters but its trait declaration has 1 type parameter + --> $DIR/compare-impl-item.rs:19:13 + | +LL | const C<T>: T; + | - expected 1 type parameter +... +LL | const C<'a>: &'a str = ""; + | ^^ found 0 type parameters + +error[E0053]: const `D` has an incompatible generic parameter for trait `Trait` + --> $DIR/compare-impl-item.rs:21:13 + | +LL | trait Trait<P> { + | ----- +... +LL | const D<const N: usize>: usize; + | -------------- expected const parameter of type `usize` +... +LL | impl<P> Trait<P> for () { + | ----------------------- +... +LL | const D<const N: u16>: u16 = N; + | ^^^^^^^^^^^^ found const parameter of type `u16` + +error[E0276]: impl has stricter requirements than trait + --> $DIR/compare-impl-item.rs:26:12 + | +LL | const E: usize; + | -------------- definition of `E` from trait +... +LL | P: Copy; + | ^^^^ impl has extra requirement `P: Copy` + +error[E0276]: impl has stricter requirements than trait + --> $DIR/compare-impl-item.rs:27:16 + | +LL | const F<T: PartialEq>: (); + | ------------------------- definition of `F` from trait +... +LL | const F<T: Eq>: () = (); + | ^^ impl has extra requirement `T: Eq` + +error: aborting due to 6 previous errors + +Some errors have detailed explanations: E0049, E0053, E0276. +For more information about an error, try `rustc --explain E0049`. diff --git a/tests/ui/generic-const-items/const-trait-impl.rs b/tests/ui/generic-const-items/const-trait-impl.rs new file mode 100644 index 00000000000..8da1448df4f --- /dev/null +++ b/tests/ui/generic-const-items/const-trait-impl.rs @@ -0,0 +1,24 @@ +// check-pass + +// Test that we can call methods from const trait impls inside of generic const items. + +#![feature(generic_const_items, const_trait_impl)] +#![allow(incomplete_features)] +#![crate_type = "lib"] + +// FIXME(generic_const_items): Interpret `~const` as always-const. +const CREATE<T: ~const Create>: T = T::create(); + +pub const K0: i32 = CREATE::<i32>; +pub const K1: i32 = CREATE; // arg inferred + +#[const_trait] +trait Create { + fn create() -> Self; +} + +impl const Create for i32 { + fn create() -> i32 { + 4096 + } +} diff --git a/tests/ui/generic-const-items/duplicate-where-clause.rs b/tests/ui/generic-const-items/duplicate-where-clause.rs new file mode 100644 index 00000000000..68da4073fc1 --- /dev/null +++ b/tests/ui/generic-const-items/duplicate-where-clause.rs @@ -0,0 +1,27 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +trait Tr<P> { + const K: () + where + P: Copy + where + P: Eq; + //~^ ERROR cannot define duplicate `where` clauses on an item +} + +// Test that we error on the first where-clause but also that we don't suggest to swap it with the +// body as it would conflict with the second where-clause. +// FIXME(generic_const_items): We should provide a structured sugg to merge the 1st into the 2nd WC. + +impl<P> Tr<P> for () { + const K: () + where + P: Eq + = () + where + P: Copy; + //~^^^^^ ERROR where clauses are not allowed before const item bodies +} + +fn main() {} diff --git a/tests/ui/generic-const-items/duplicate-where-clause.stderr b/tests/ui/generic-const-items/duplicate-where-clause.stderr new file mode 100644 index 00000000000..5fa61b01ee9 --- /dev/null +++ b/tests/ui/generic-const-items/duplicate-where-clause.stderr @@ -0,0 +1,27 @@ +error: cannot define duplicate `where` clauses on an item + --> $DIR/duplicate-where-clause.rs:9:9 + | +LL | P: Copy + | - previous `where` clause starts here +LL | where +LL | P: Eq; + | ^ + | +help: consider joining the two `where` clauses into one + | +LL | P: Copy, + | ~ + +error: where clauses are not allowed before const item bodies + --> $DIR/duplicate-where-clause.rs:19:5 + | +LL | const K: () + | - while parsing this const item +LL | / where +LL | | P: Eq + | |_____________^ unexpected where clause +LL | = () + | -- the item body + +error: aborting due to 2 previous errors + diff --git a/tests/ui/generic-const-items/elided-lifetimes.rs b/tests/ui/generic-const-items/elided-lifetimes.rs new file mode 100644 index 00000000000..cca73e2e81e --- /dev/null +++ b/tests/ui/generic-const-items/elided-lifetimes.rs @@ -0,0 +1,18 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +// Check that we forbid elided lifetimes inside the generics of const items. + +const K<T>: () = () +where + &T: Copy; //~ ERROR `&` without an explicit lifetime name cannot be used here + +const I<const S: &str>: &str = ""; +//~^ ERROR `&` without an explicit lifetime name cannot be used here +//~| ERROR `&str` is forbidden as the type of a const generic parameter + +const B<T: Trait<'_>>: () = (); //~ ERROR `'_` cannot be used here + +trait Trait<'a> {} + +fn main() {} diff --git a/tests/ui/generic-const-items/elided-lifetimes.stderr b/tests/ui/generic-const-items/elided-lifetimes.stderr new file mode 100644 index 00000000000..8cd3f9ee7a9 --- /dev/null +++ b/tests/ui/generic-const-items/elided-lifetimes.stderr @@ -0,0 +1,35 @@ +error[E0637]: `&` without an explicit lifetime name cannot be used here + --> $DIR/elided-lifetimes.rs:8:5 + | +LL | &T: Copy; + | ^ explicit lifetime name needed here + | +help: consider introducing a higher-ranked lifetime here + | +LL | for<'a> &'a T: Copy; + | +++++++ ++ + +error[E0637]: `&` without an explicit lifetime name cannot be used here + --> $DIR/elided-lifetimes.rs:10:18 + | +LL | const I<const S: &str>: &str = ""; + | ^ explicit lifetime name needed here + +error[E0637]: `'_` cannot be used here + --> $DIR/elided-lifetimes.rs:14:18 + | +LL | const B<T: Trait<'_>>: () = (); + | ^^ `'_` is a reserved lifetime name + +error: `&str` is forbidden as the type of a const generic parameter + --> $DIR/elided-lifetimes.rs:10:18 + | +LL | const I<const S: &str>: &str = ""; + | ^^^^ + | + = note: the only supported types are integers, `bool` and `char` + = help: more complex types are supported with `#![feature(adt_const_params)]` + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0637`. diff --git a/tests/ui/generic-const-items/evaluatable-bounds.rs b/tests/ui/generic-const-items/evaluatable-bounds.rs new file mode 100644 index 00000000000..cdcfcf9188a --- /dev/null +++ b/tests/ui/generic-const-items/evaluatable-bounds.rs @@ -0,0 +1,31 @@ +// This is a regression test for issue #104400. + +// revisions: unconstrained constrained +//[constrained] check-pass + +// Test that we can constrain generic const items that appear inside associated consts by +// adding a (makeshift) "evaluatable"-bound to the item. + +#![feature(generic_const_items, generic_const_exprs)] +#![allow(incomplete_features)] + +trait Trait { + const LEN: usize; + + #[cfg(unconstrained)] + const ARRAY: [i32; Self::LEN]; //[unconstrained]~ ERROR unconstrained generic constant + + #[cfg(constrained)] + const ARRAY: [i32; Self::LEN] + where + [(); Self::LEN]:; +} + +impl Trait for () { + const LEN: usize = 2; + const ARRAY: [i32; Self::LEN] = [360, 720]; +} + +fn main() { + let [_, _] = <() as Trait>::ARRAY; +} diff --git a/tests/ui/generic-const-items/evaluatable-bounds.unconstrained.stderr b/tests/ui/generic-const-items/evaluatable-bounds.unconstrained.stderr new file mode 100644 index 00000000000..930080f7c37 --- /dev/null +++ b/tests/ui/generic-const-items/evaluatable-bounds.unconstrained.stderr @@ -0,0 +1,10 @@ +error: unconstrained generic constant + --> $DIR/evaluatable-bounds.rs:16:5 + | +LL | const ARRAY: [i32; Self::LEN]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try adding a `where` bound using this expression: `where [(); Self::LEN]:` + +error: aborting due to previous error + diff --git a/tests/ui/generic-const-items/feature-gate-generic_const_items.rs b/tests/ui/generic-const-items/feature-gate-generic_const_items.rs new file mode 100644 index 00000000000..5c241f256eb --- /dev/null +++ b/tests/ui/generic-const-items/feature-gate-generic_const_items.rs @@ -0,0 +1,37 @@ +pub trait Trait<A> { + const ONE<T>: i32; + //~^ ERROR generic const items are experimental + + const TWO: () + where + A: Copy; + //~^^ ERROR generic const items are experimental +} + +const CONST<T>: i32 = 0; +//~^ ERROR generic const items are experimental + +const EMPTY<>: i32 = 0; +//~^ ERROR generic const items are experimental + +const TRUE: () = () +where + String: Clone; +//~^^ ERROR generic const items are experimental + +// Ensure that we flag generic const items inside macro calls as well: + +macro_rules! discard { + ($item:item) => {} +} + +discard! { const FREE<T>: () = (); } +//~^ ERROR generic const items are experimental + +discard! { impl () { const ASSOC<const N: ()>: () = (); } } +//~^ ERROR generic const items are experimental + +discard! { impl () { const ASSOC: i32 = 0 where String: Copy; } } +//~^ ERROR generic const items are experimental + +fn main() {} diff --git a/tests/ui/generic-const-items/feature-gate-generic_const_items.stderr b/tests/ui/generic-const-items/feature-gate-generic_const_items.stderr new file mode 100644 index 00000000000..a1fdf5f6ef3 --- /dev/null +++ b/tests/ui/generic-const-items/feature-gate-generic_const_items.stderr @@ -0,0 +1,77 @@ +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:2:14 + | +LL | const ONE<T>: i32; + | ^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:6:5 + | +LL | / where +LL | | A: Copy; + | |_______________^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:11:12 + | +LL | const CONST<T>: i32 = 0; + | ^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:14:12 + | +LL | const EMPTY<>: i32 = 0; + | ^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:18:1 + | +LL | / where +LL | | String: Clone; + | |_________________^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:28:22 + | +LL | discard! { const FREE<T>: () = (); } + | ^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:31:33 + | +LL | discard! { impl () { const ASSOC<const N: ()>: () = (); } } + | ^^^^^^^^^^^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/feature-gate-generic_const_items.rs:34:43 + | +LL | discard! { impl () { const ASSOC: i32 = 0 where String: Copy; } } + | ^^^^^^^^^^^^^^^^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error: aborting due to 8 previous errors + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/generic-const-items/inference-failure.rs b/tests/ui/generic-const-items/inference-failure.rs new file mode 100644 index 00000000000..fd4f424dd97 --- /dev/null +++ b/tests/ui/generic-const-items/inference-failure.rs @@ -0,0 +1,15 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +const NONE<T>: Option<T> = None::<T>; +const IGNORE<T>: () = (); + +fn none() { + let _ = NONE; //~ ERROR type annotations needed +} + +fn ignore() { + let _ = IGNORE; //~ ERROR type annotations needed +} + +fn main() {} diff --git a/tests/ui/generic-const-items/inference-failure.stderr b/tests/ui/generic-const-items/inference-failure.stderr new file mode 100644 index 00000000000..22ff1b9ba7f --- /dev/null +++ b/tests/ui/generic-const-items/inference-failure.stderr @@ -0,0 +1,20 @@ +error[E0282]: type annotations needed for `Option<T>` + --> $DIR/inference-failure.rs:8:9 + | +LL | let _ = NONE; + | ^ + | +help: consider giving this pattern a type, where the type for type parameter `T` is specified + | +LL | let _: Option<T> = NONE; + | +++++++++++ + +error[E0282]: type annotations needed + --> $DIR/inference-failure.rs:12:13 + | +LL | let _ = IGNORE; + | ^^^^^^ cannot infer type for type parameter `T` declared on the constant `IGNORE` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/generic-const-items/misplaced-where-clause.fixed b/tests/ui/generic-const-items/misplaced-where-clause.fixed new file mode 100644 index 00000000000..bff470c2883 --- /dev/null +++ b/tests/ui/generic-const-items/misplaced-where-clause.fixed @@ -0,0 +1,18 @@ +// run-rustfix + +#![feature(generic_const_items)] +#![allow(incomplete_features, dead_code)] + +const K<T>: u64 += T::K where + T: Tr<()>; +//~^^^ ERROR where clauses are not allowed before const item bodies + +trait Tr<P> { + const K: u64 + = 0 where + P: Copy; + //~^^^ ERROR where clauses are not allowed before const item bodies +} + +fn main() {} diff --git a/tests/ui/generic-const-items/misplaced-where-clause.rs b/tests/ui/generic-const-items/misplaced-where-clause.rs new file mode 100644 index 00000000000..b14c6d594a5 --- /dev/null +++ b/tests/ui/generic-const-items/misplaced-where-clause.rs @@ -0,0 +1,20 @@ +// run-rustfix + +#![feature(generic_const_items)] +#![allow(incomplete_features, dead_code)] + +const K<T>: u64 +where + T: Tr<()> += T::K; +//~^^^ ERROR where clauses are not allowed before const item bodies + +trait Tr<P> { + const K: u64 + where + P: Copy + = 0; + //~^^^ ERROR where clauses are not allowed before const item bodies +} + +fn main() {} diff --git a/tests/ui/generic-const-items/misplaced-where-clause.stderr b/tests/ui/generic-const-items/misplaced-where-clause.stderr new file mode 100644 index 00000000000..431741d8724 --- /dev/null +++ b/tests/ui/generic-const-items/misplaced-where-clause.stderr @@ -0,0 +1,36 @@ +error: where clauses are not allowed before const item bodies + --> $DIR/misplaced-where-clause.rs:7:1 + | +LL | const K<T>: u64 + | - while parsing this const item +LL | / where +LL | | T: Tr<()> + | |_____________^ unexpected where clause +LL | = T::K; + | ---- the item body + | +help: move the body before the where clause + | +LL ~ = T::K where +LL ~ T: Tr<()>; + | + +error: where clauses are not allowed before const item bodies + --> $DIR/misplaced-where-clause.rs:14:5 + | +LL | const K: u64 + | - while parsing this const item +LL | / where +LL | | P: Copy + | |_______________^ unexpected where clause +LL | = 0; + | - the item body + | +help: move the body before the where clause + | +LL ~ = 0 where +LL ~ P: Copy; + | + +error: aborting due to 2 previous errors + diff --git a/tests/ui/generic-const-items/parameter-defaults.rs b/tests/ui/generic-const-items/parameter-defaults.rs new file mode 100644 index 00000000000..a6f82c249fe --- /dev/null +++ b/tests/ui/generic-const-items/parameter-defaults.rs @@ -0,0 +1,14 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +// Check that we emit a *hard* error (not just a lint warning or error for example) for generic +// parameter defaults on free const items since we are not limited by backward compatibility. +#![allow(invalid_type_param_default)] // Should have no effect here. + +// FIXME(default_type_parameter_fallback): Consider reallowing them once they work properly. + +const NONE<T = ()>: Option<T> = None::<T>; //~ ERROR defaults for type parameters are only allowed + +fn main() { + let _ = NONE; +} diff --git a/tests/ui/generic-const-items/parameter-defaults.stderr b/tests/ui/generic-const-items/parameter-defaults.stderr new file mode 100644 index 00000000000..62da45e55d6 --- /dev/null +++ b/tests/ui/generic-const-items/parameter-defaults.stderr @@ -0,0 +1,8 @@ +error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + --> $DIR/parameter-defaults.rs:10:12 + | +LL | const NONE<T = ()>: Option<T> = None::<T>; + | ^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/generic-const-items/recursive.rs b/tests/ui/generic-const-items/recursive.rs new file mode 100644 index 00000000000..3266b37d380 --- /dev/null +++ b/tests/ui/generic-const-items/recursive.rs @@ -0,0 +1,12 @@ +// FIXME(generic_const_items): This leads to a stack overflow in the compiler! +// known-bug: unknown +// ignore-test + +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +const RECUR<T>: () = RECUR::<(T,)>; + +fn main() { + let _ = RECUR::<()>; +} diff --git a/tests/ui/generic-const-items/trivially-unsatisfied-bounds-0.rs b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-0.rs new file mode 100644 index 00000000000..dd00b327d2d --- /dev/null +++ b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-0.rs @@ -0,0 +1,12 @@ +#![feature(generic_const_items, trivial_bounds)] +#![allow(incomplete_features)] + +// Ensure that we check if trivial bounds on const items hold or not. + +const UNUSABLE: () = () +where + String: Copy; + +fn main() { + let _ = UNUSABLE; //~ ERROR the trait bound `String: Copy` is not satisfied +} diff --git a/tests/ui/generic-const-items/trivially-unsatisfied-bounds-0.stderr b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-0.stderr new file mode 100644 index 00000000000..c3ef94529a4 --- /dev/null +++ b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-0.stderr @@ -0,0 +1,18 @@ +error[E0277]: the trait bound `String: Copy` is not satisfied + --> $DIR/trivially-unsatisfied-bounds-0.rs:11:13 + | +LL | let _ = UNUSABLE; + | ^^^^^^^^ the trait `Copy` is not implemented for `String` + | +note: required by a bound in `UNUSABLE` + --> $DIR/trivially-unsatisfied-bounds-0.rs:8:13 + | +LL | const UNUSABLE: () = () + | -------- required by a bound in this constant +LL | where +LL | String: Copy; + | ^^^^ required by this bound in `UNUSABLE` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/generic-const-items/trivially-unsatisfied-bounds-1.rs b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-1.rs new file mode 100644 index 00000000000..9243deac870 --- /dev/null +++ b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-1.rs @@ -0,0 +1,12 @@ +#![feature(generic_const_items, trivial_bounds)] +#![allow(incomplete_features, dead_code, trivial_bounds)] + +// FIXME(generic_const_items): This looks like a bug to me. I expected that we wouldn't emit any +// errors. I thought we'd skip the evaluation of consts whose bounds don't hold. + +const UNUSED: () = () +where + String: Copy; +//~^^^ ERROR evaluation of constant value failed + +fn main() {} diff --git a/tests/ui/generic-const-items/trivially-unsatisfied-bounds-1.stderr b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-1.stderr new file mode 100644 index 00000000000..a68400798d8 --- /dev/null +++ b/tests/ui/generic-const-items/trivially-unsatisfied-bounds-1.stderr @@ -0,0 +1,11 @@ +error[E0080]: evaluation of constant value failed + --> $DIR/trivially-unsatisfied-bounds-1.rs:7:1 + | +LL | / const UNUSED: () = () +LL | | where +LL | | String: Copy; + | |_________________^ entering unreachable code + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/generic-const-items/unsatisfied-bounds.rs b/tests/ui/generic-const-items/unsatisfied-bounds.rs new file mode 100644 index 00000000000..05879900172 --- /dev/null +++ b/tests/ui/generic-const-items/unsatisfied-bounds.rs @@ -0,0 +1,34 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +// Ensure that we check if bounds on const items hold or not. + +use std::convert::Infallible; + +const C<T: Copy>: () = (); + +const K<T>: () = () +where + Infallible: From<T>; + +trait Trait<P> { + const A: u32 + where + P: Copy; + + const B<T>: u32 + where + Infallible: From<T>; +} + +impl<P> Trait<P> for () { + const A: u32 = 0; + const B<T>: u32 = 1; +} + +fn main() { + let () = C::<String>; //~ ERROR the trait bound `String: Copy` is not satisfied + let () = K::<()>; //~ ERROR the trait bound `Infallible: From<()>` is not satisfied + let _ = <() as Trait<Vec<u8>>>::A; //~ ERROR the trait bound `Vec<u8>: Copy` is not satisfied + let _ = <() as Trait<&'static str>>::B::<()>; //~ ERROR the trait bound `Infallible: From<()>` is not satisfied +} diff --git a/tests/ui/generic-const-items/unsatisfied-bounds.stderr b/tests/ui/generic-const-items/unsatisfied-bounds.stderr new file mode 100644 index 00000000000..1fda460372a --- /dev/null +++ b/tests/ui/generic-const-items/unsatisfied-bounds.stderr @@ -0,0 +1,62 @@ +error[E0277]: the trait bound `String: Copy` is not satisfied + --> $DIR/unsatisfied-bounds.rs:30:18 + | +LL | let () = C::<String>; + | ^^^^^^ the trait `Copy` is not implemented for `String` + | +note: required by a bound in `C` + --> $DIR/unsatisfied-bounds.rs:8:12 + | +LL | const C<T: Copy>: () = (); + | ^^^^ required by this bound in `C` + +error[E0277]: the trait bound `Infallible: From<()>` is not satisfied + --> $DIR/unsatisfied-bounds.rs:31:18 + | +LL | let () = K::<()>; + | ^^ the trait `From<()>` is not implemented for `Infallible` + | + = help: the trait `From<!>` is implemented for `Infallible` +note: required by a bound in `K` + --> $DIR/unsatisfied-bounds.rs:12:17 + | +LL | const K<T>: () = () + | - required by a bound in this constant +LL | where +LL | Infallible: From<T>; + | ^^^^^^^ required by this bound in `K` + +error[E0277]: the trait bound `Vec<u8>: Copy` is not satisfied + --> $DIR/unsatisfied-bounds.rs:32:13 + | +LL | let _ = <() as Trait<Vec<u8>>>::A; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Vec<u8>` + | +note: required by a bound in `Trait::A` + --> $DIR/unsatisfied-bounds.rs:17:12 + | +LL | const A: u32 + | - required by a bound in this associated constant +LL | where +LL | P: Copy; + | ^^^^ required by this bound in `Trait::A` + +error[E0277]: the trait bound `Infallible: From<()>` is not satisfied + --> $DIR/unsatisfied-bounds.rs:33:46 + | +LL | let _ = <() as Trait<&'static str>>::B::<()>; + | ^^ the trait `From<()>` is not implemented for `Infallible` + | + = help: the trait `From<!>` is implemented for `Infallible` +note: required by a bound in `Trait::B` + --> $DIR/unsatisfied-bounds.rs:21:21 + | +LL | const B<T>: u32 + | - required by a bound in this associated constant +LL | where +LL | Infallible: From<T>; + | ^^^^^^^ required by this bound in `Trait::B` + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/generic-const-items/unsatisfied-evaluatable-bounds.rs b/tests/ui/generic-const-items/unsatisfied-evaluatable-bounds.rs new file mode 100644 index 00000000000..961e5b4aeeb --- /dev/null +++ b/tests/ui/generic-const-items/unsatisfied-evaluatable-bounds.rs @@ -0,0 +1,12 @@ +#![feature(generic_const_items, generic_const_exprs)] +#![allow(incomplete_features)] + +// Ensure that we check if (makeshift) "evaluatable"-bounds on const items hold or not. + +const POSITIVE<const N: usize>: usize = N +where + [(); N - 1]:; //~ ERROR evaluation of `POSITIVE::<0>::{constant#0}` failed + +fn main() { + let _ = POSITIVE::<0>; +} diff --git a/tests/ui/generic-const-items/unsatisfied-evaluatable-bounds.stderr b/tests/ui/generic-const-items/unsatisfied-evaluatable-bounds.stderr new file mode 100644 index 00000000000..bed213b0caa --- /dev/null +++ b/tests/ui/generic-const-items/unsatisfied-evaluatable-bounds.stderr @@ -0,0 +1,9 @@ +error[E0080]: evaluation of `POSITIVE::<0>::{constant#0}` failed + --> $DIR/unsatisfied-evaluatable-bounds.rs:8:10 + | +LL | [(); N - 1]:; + | ^^^^^ attempt to compute `0_usize - 1_usize`, which would overflow + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/generic-const-items/unsatisfied-outlives-bounds.rs b/tests/ui/generic-const-items/unsatisfied-outlives-bounds.rs new file mode 100644 index 00000000000..204cf9def36 --- /dev/null +++ b/tests/ui/generic-const-items/unsatisfied-outlives-bounds.rs @@ -0,0 +1,17 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +// Ensure that we check if outlives-bounds on const items hold or not. + +const C<'a, T: 'a>: () = (); +const K<'a, 'b: 'a>: () = (); + +fn parametrized0<'any>() { + let () = C::<'static, &'any ()>; //~ ERROR lifetime may not live long enough +} + +fn parametrized1<'any>() { + let () = K::<'static, 'any>; //~ ERROR lifetime may not live long enough +} + +fn main() {} diff --git a/tests/ui/generic-const-items/unsatisfied-outlives-bounds.stderr b/tests/ui/generic-const-items/unsatisfied-outlives-bounds.stderr new file mode 100644 index 00000000000..72e4265b3d7 --- /dev/null +++ b/tests/ui/generic-const-items/unsatisfied-outlives-bounds.stderr @@ -0,0 +1,18 @@ +error: lifetime may not live long enough + --> $DIR/unsatisfied-outlives-bounds.rs:10:14 + | +LL | fn parametrized0<'any>() { + | ---- lifetime `'any` defined here +LL | let () = C::<'static, &'any ()>; + | ^^^^^^^^^^^^^^^^^^^^^^ requires that `'any` must outlive `'static` + +error: lifetime may not live long enough + --> $DIR/unsatisfied-outlives-bounds.rs:14:14 + | +LL | fn parametrized1<'any>() { + | ---- lifetime `'any` defined here +LL | let () = K::<'static, 'any>; + | ^^^^^^^^^^^^^^^^^^ requires that `'any` must outlive `'static` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.rs b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.rs new file mode 100644 index 00000000000..3a93dfee57f --- /dev/null +++ b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.rs @@ -0,0 +1,11 @@ +// issue: 114146 + +#![feature(return_position_impl_trait_in_trait)] + +trait Foo { + fn bar<'other: 'a>() -> impl Sized + 'a {} + //~^ ERROR use of undeclared lifetime name `'a` + //~| ERROR use of undeclared lifetime name `'a` +} + +fn main() {} diff --git a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.stderr b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.stderr new file mode 100644 index 00000000000..3a1f8f90837 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.stderr @@ -0,0 +1,33 @@ +error[E0261]: use of undeclared lifetime name `'a` + --> $DIR/bad-item-bound-within-rpitit-2.rs:6:20 + | +LL | fn bar<'other: 'a>() -> impl Sized + 'a {} + | ^^ undeclared lifetime + | +help: consider introducing lifetime `'a` here + | +LL | fn bar<'a, 'other: 'a>() -> impl Sized + 'a {} + | +++ +help: consider introducing lifetime `'a` here + | +LL | trait Foo<'a> { + | ++++ + +error[E0261]: use of undeclared lifetime name `'a` + --> $DIR/bad-item-bound-within-rpitit-2.rs:6:42 + | +LL | fn bar<'other: 'a>() -> impl Sized + 'a {} + | ^^ undeclared lifetime + | +help: consider introducing lifetime `'a` here + | +LL | fn bar<'a, 'other: 'a>() -> impl Sized + 'a {} + | +++ +help: consider introducing lifetime `'a` here + | +LL | trait Foo<'a> { + | ++++ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0261`. diff --git a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit.rs b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit.rs new file mode 100644 index 00000000000..8b97336fe0c --- /dev/null +++ b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit.rs @@ -0,0 +1,25 @@ +// issue: 114145 + +#![feature(return_position_impl_trait_in_trait)] + +trait Iterable { + type Item<'a> + where + Self: 'a; + + fn iter(&self) -> impl '_ + Iterator<Item = Self::Item<'_>>; +} + +impl<'a, I: 'a + Iterable> Iterable for &'a I { + type Item<'b> = I::Item<'a> + where + 'b: 'a; + //~^ ERROR impl has stricter requirements than trait + + fn iter(&self) -> impl 'a + Iterator<Item = I::Item<'a>> { + //~^ ERROR the type `&'a I` does not fulfill the required lifetime + (*self).iter() + } +} + +fn main() {} diff --git a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit.stderr b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit.stderr new file mode 100644 index 00000000000..54a08c5b516 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit.stderr @@ -0,0 +1,30 @@ +error[E0276]: impl has stricter requirements than trait + --> $DIR/bad-item-bound-within-rpitit.rs:16:13 + | +LL | type Item<'a> + | ------------- definition of `Item` from trait +... +LL | 'b: 'a; + | ^^ impl has extra requirement `'b: 'a` + | +help: copy the `where` clause predicates from the trait + | +LL | where Self: 'b; + | ~~~~~~~~~~~~~~ + +error[E0477]: the type `&'a I` does not fulfill the required lifetime + --> $DIR/bad-item-bound-within-rpitit.rs:19:23 + | +LL | fn iter(&self) -> impl 'a + Iterator<Item = I::Item<'a>> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: type must outlive the anonymous lifetime as defined here + --> $DIR/bad-item-bound-within-rpitit.rs:10:28 + | +LL | fn iter(&self) -> impl '_ + Iterator<Item = Self::Item<'_>>; + | ^^ + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0276, E0477. +For more information about an error, try `rustc --explain E0276`. diff --git a/tests/ui/impl-trait/in-trait/rpitit-shadowed-by-missing-adt.rs b/tests/ui/impl-trait/in-trait/rpitit-shadowed-by-missing-adt.rs new file mode 100644 index 00000000000..7682884f879 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/rpitit-shadowed-by-missing-adt.rs @@ -0,0 +1,18 @@ +// issue: 113903 + +#![feature(return_position_impl_trait_in_trait)] + +use std::ops::Deref; + +pub trait Tr { + fn w() -> impl Deref<Target = Missing<impl Sized>>; + //~^ ERROR cannot find type `Missing` in this scope +} + +impl Tr for () { + fn w() -> &'static () { + &() + } +} + +fn main() {} diff --git a/tests/ui/impl-trait/in-trait/rpitit-shadowed-by-missing-adt.stderr b/tests/ui/impl-trait/in-trait/rpitit-shadowed-by-missing-adt.stderr new file mode 100644 index 00000000000..6e4a5bb5df3 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/rpitit-shadowed-by-missing-adt.stderr @@ -0,0 +1,9 @@ +error[E0412]: cannot find type `Missing` in this scope + --> $DIR/rpitit-shadowed-by-missing-adt.rs:8:35 + | +LL | fn w() -> impl Deref<Target = Missing<impl Sized>>; + | ^^^^^^^ not found in this scope + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0412`. diff --git a/tests/ui/layout/malformed-unsized-type-in-union.rs b/tests/ui/layout/malformed-unsized-type-in-union.rs new file mode 100644 index 00000000000..5d8ec576cf0 --- /dev/null +++ b/tests/ui/layout/malformed-unsized-type-in-union.rs @@ -0,0 +1,8 @@ +// issue: 113760 + +union W { s: dyn Iterator<Item = Missing> } +//~^ ERROR cannot find type `Missing` in this scope + +static ONCE: W = todo!(); + +fn main() {} diff --git a/tests/ui/layout/malformed-unsized-type-in-union.stderr b/tests/ui/layout/malformed-unsized-type-in-union.stderr new file mode 100644 index 00000000000..cbb8d6af38a --- /dev/null +++ b/tests/ui/layout/malformed-unsized-type-in-union.stderr @@ -0,0 +1,9 @@ +error[E0412]: cannot find type `Missing` in this scope + --> $DIR/malformed-unsized-type-in-union.rs:3:34 + | +LL | union W { s: dyn Iterator<Item = Missing> } + | ^^^^^^^ not found in this scope + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0412`. diff --git a/tests/ui/lint/lint-cap-trait-bounds.rs b/tests/ui/lint/lint-cap-trait-bounds.rs new file mode 100644 index 00000000000..d9c28dd0aa6 --- /dev/null +++ b/tests/ui/lint/lint-cap-trait-bounds.rs @@ -0,0 +1,8 @@ +// Regression test for https://github.com/rust-lang/rust/issues/43134 + +// check-pass +// compile-flags: --cap-lints allow + +type Foo<T: Clone> = Option<T>; + +fn main() {} diff --git a/tests/ui/methods/suggest-method-on-call-with-macro-rcvr.rs b/tests/ui/methods/suggest-method-on-call-with-macro-rcvr.rs new file mode 100644 index 00000000000..93b7ddf5e9e --- /dev/null +++ b/tests/ui/methods/suggest-method-on-call-with-macro-rcvr.rs @@ -0,0 +1,6 @@ +// issue: 114131 + +fn main() { + let hello = len(vec![]); + //~^ ERROR cannot find function `len` in this scope +} diff --git a/tests/ui/methods/suggest-method-on-call-with-macro-rcvr.stderr b/tests/ui/methods/suggest-method-on-call-with-macro-rcvr.stderr new file mode 100644 index 00000000000..9694f80ab6d --- /dev/null +++ b/tests/ui/methods/suggest-method-on-call-with-macro-rcvr.stderr @@ -0,0 +1,15 @@ +error[E0425]: cannot find function `len` in this scope + --> $DIR/suggest-method-on-call-with-macro-rcvr.rs:4:17 + | +LL | let hello = len(vec![]); + | ^^^ not found in this scope + | +help: use the `.` operator to call the method `len` on `&Vec<_>` + | +LL - let hello = len(vec![]); +LL + let hello = vec![].len(); + | + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0425`. diff --git a/tests/ui/object-safety/assoc_const_bounds.rs b/tests/ui/object-safety/assoc_const_bounds.rs index 94b1f63165b..bfa21fd9aea 100644 --- a/tests/ui/object-safety/assoc_const_bounds.rs +++ b/tests/ui/object-safety/assoc_const_bounds.rs @@ -1,7 +1,12 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features, dead_code)] + +// check-pass + trait Foo<T> { const BAR: bool - where //~ ERROR: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `=`, found keyword `where` - Self: Sized; + where + Self: Sized; } trait Cake {} diff --git a/tests/ui/object-safety/assoc_const_bounds.stderr b/tests/ui/object-safety/assoc_const_bounds.stderr deleted file mode 100644 index 09bc11e178a..00000000000 --- a/tests/ui/object-safety/assoc_const_bounds.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `=`, found keyword `where` - --> $DIR/assoc_const_bounds.rs:3:9 - | -LL | trait Foo<T> { - | - while parsing this item list starting here -LL | const BAR: bool - | - expected one of 7 possible tokens -LL | where - | ^^^^^ unexpected token -LL | Self: Sized; -LL | } - | - the item list ends here - -error: aborting due to previous error - diff --git a/tests/ui/object-safety/assoc_const_bounds_sized.rs b/tests/ui/object-safety/assoc_const_bounds_sized.rs index 2a76e5dce2b..87d1f06f036 100644 --- a/tests/ui/object-safety/assoc_const_bounds_sized.rs +++ b/tests/ui/object-safety/assoc_const_bounds_sized.rs @@ -1,7 +1,12 @@ +#![feature(generic_const_items)] +#![allow(incomplete_features, dead_code)] + +// check-pass + trait Foo { const BAR: bool - where //~ ERROR: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `=`, found keyword `where` - Self: Sized; + where + Self: Sized; } fn foo(_: &dyn Foo) {} diff --git a/tests/ui/object-safety/assoc_const_bounds_sized.stderr b/tests/ui/object-safety/assoc_const_bounds_sized.stderr deleted file mode 100644 index e1f57f67795..00000000000 --- a/tests/ui/object-safety/assoc_const_bounds_sized.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `=`, found keyword `where` - --> $DIR/assoc_const_bounds_sized.rs:3:9 - | -LL | trait Foo { - | - while parsing this item list starting here -LL | const BAR: bool - | - expected one of 7 possible tokens -LL | where - | ^^^^^ unexpected token -LL | Self: Sized; -LL | } - | - the item list ends here - -error: aborting due to previous error - diff --git a/tests/ui/parser/generic-statics.rs b/tests/ui/parser/generic-statics.rs new file mode 100644 index 00000000000..2fb8781fdff --- /dev/null +++ b/tests/ui/parser/generic-statics.rs @@ -0,0 +1,4 @@ +static S<T>: i32 = 0; +//~^ ERROR static items may not have generic parameters + +fn main() {} diff --git a/tests/ui/parser/generic-statics.stderr b/tests/ui/parser/generic-statics.stderr new file mode 100644 index 00000000000..c757232b061 --- /dev/null +++ b/tests/ui/parser/generic-statics.stderr @@ -0,0 +1,8 @@ +error: static items may not have generic parameters + --> $DIR/generic-statics.rs:1:9 + | +LL | static S<T>: i32 = 0; + | ^^^ + +error: aborting due to previous error + diff --git a/tests/ui/privacy/issue-113860-1.rs b/tests/ui/privacy/issue-113860-1.rs new file mode 100644 index 00000000000..86ccca41f37 --- /dev/null +++ b/tests/ui/privacy/issue-113860-1.rs @@ -0,0 +1,16 @@ +#![feature(staged_api)] +//~^ ERROR module has missing stability attribute + +pub trait Trait { + //~^ ERROR trait has missing stability attribute + fn fun() {} + //~^ ERROR associated function has missing stability attribute +} + +impl Trait for u8 { + //~^ ERROR implementation has missing stability attribute + pub(self) fn fun() {} + //~^ ERROR visibility qualifiers are not permitted here [E0449] +} + +fn main() {} diff --git a/tests/ui/privacy/issue-113860-1.stderr b/tests/ui/privacy/issue-113860-1.stderr new file mode 100644 index 00000000000..c33ce26f0f6 --- /dev/null +++ b/tests/ui/privacy/issue-113860-1.stderr @@ -0,0 +1,49 @@ +error[E0449]: visibility qualifiers are not permitted here + --> $DIR/issue-113860-1.rs:12:5 + | +LL | pub(self) fn fun() {} + | ^^^^^^^^^ + | + = note: trait items always share the visibility of their trait + +error: module has missing stability attribute + --> $DIR/issue-113860-1.rs:1:1 + | +LL | / #![feature(staged_api)] +LL | | +LL | | +LL | | pub trait Trait { +... | +LL | | +LL | | fn main() {} + | |____________^ + +error: trait has missing stability attribute + --> $DIR/issue-113860-1.rs:4:1 + | +LL | / pub trait Trait { +LL | | +LL | | fn fun() {} +LL | | +LL | | } + | |_^ + +error: implementation has missing stability attribute + --> $DIR/issue-113860-1.rs:10:1 + | +LL | / impl Trait for u8 { +LL | | +LL | | pub(self) fn fun() {} +LL | | +LL | | } + | |_^ + +error: associated function has missing stability attribute + --> $DIR/issue-113860-1.rs:6:5 + | +LL | fn fun() {} + | ^^^^^^^^^^^ + +error: aborting due to 5 previous errors + +For more information about this error, try `rustc --explain E0449`. diff --git a/tests/ui/privacy/issue-113860-2.rs b/tests/ui/privacy/issue-113860-2.rs new file mode 100644 index 00000000000..59be19d88a0 --- /dev/null +++ b/tests/ui/privacy/issue-113860-2.rs @@ -0,0 +1,16 @@ +#![feature(staged_api)] +//~^ ERROR module has missing stability attribute + +pub trait Trait { + //~^ ERROR trait has missing stability attribute + type X; + //~^ ERROR associated type has missing stability attribute +} + +impl Trait for u8 { + //~^ ERROR implementation has missing stability attribute + pub(self) type X = Self; + //~^ ERROR visibility qualifiers are not permitted here [E0449] +} + +fn main() {} diff --git a/tests/ui/privacy/issue-113860-2.stderr b/tests/ui/privacy/issue-113860-2.stderr new file mode 100644 index 00000000000..6748bc27668 --- /dev/null +++ b/tests/ui/privacy/issue-113860-2.stderr @@ -0,0 +1,49 @@ +error[E0449]: visibility qualifiers are not permitted here + --> $DIR/issue-113860-2.rs:12:5 + | +LL | pub(self) type X = Self; + | ^^^^^^^^^ + | + = note: trait items always share the visibility of their trait + +error: module has missing stability attribute + --> $DIR/issue-113860-2.rs:1:1 + | +LL | / #![feature(staged_api)] +LL | | +LL | | +LL | | pub trait Trait { +... | +LL | | +LL | | fn main() {} + | |____________^ + +error: trait has missing stability attribute + --> $DIR/issue-113860-2.rs:4:1 + | +LL | / pub trait Trait { +LL | | +LL | | type X; +LL | | +LL | | } + | |_^ + +error: implementation has missing stability attribute + --> $DIR/issue-113860-2.rs:10:1 + | +LL | / impl Trait for u8 { +LL | | +LL | | pub(self) type X = Self; +LL | | +LL | | } + | |_^ + +error: associated type has missing stability attribute + --> $DIR/issue-113860-2.rs:6:5 + | +LL | type X; + | ^^^^^^^ + +error: aborting due to 5 previous errors + +For more information about this error, try `rustc --explain E0449`. diff --git a/tests/ui/privacy/issue-113860.rs b/tests/ui/privacy/issue-113860.rs new file mode 100644 index 00000000000..b94c14fac4e --- /dev/null +++ b/tests/ui/privacy/issue-113860.rs @@ -0,0 +1,16 @@ +#![feature(staged_api)] +//~^ ERROR module has missing stability attribute + +pub trait Trait { + //~^ ERROR trait has missing stability attribute + const X: u32; + //~^ ERROR associated constant has missing stability attribute +} + +impl Trait for u8 { + //~^ ERROR implementation has missing stability attribute + pub(self) const X: u32 = 3; + //~^ ERROR visibility qualifiers are not permitted here [E0449] +} + +fn main() {} diff --git a/tests/ui/privacy/issue-113860.stderr b/tests/ui/privacy/issue-113860.stderr new file mode 100644 index 00000000000..3204f4ff916 --- /dev/null +++ b/tests/ui/privacy/issue-113860.stderr @@ -0,0 +1,49 @@ +error[E0449]: visibility qualifiers are not permitted here + --> $DIR/issue-113860.rs:12:5 + | +LL | pub(self) const X: u32 = 3; + | ^^^^^^^^^ + | + = note: trait items always share the visibility of their trait + +error: module has missing stability attribute + --> $DIR/issue-113860.rs:1:1 + | +LL | / #![feature(staged_api)] +LL | | +LL | | +LL | | pub trait Trait { +... | +LL | | +LL | | fn main() {} + | |____________^ + +error: trait has missing stability attribute + --> $DIR/issue-113860.rs:4:1 + | +LL | / pub trait Trait { +LL | | +LL | | const X: u32; +LL | | +LL | | } + | |_^ + +error: implementation has missing stability attribute + --> $DIR/issue-113860.rs:10:1 + | +LL | / impl Trait for u8 { +LL | | +LL | | pub(self) const X: u32 = 3; +LL | | +LL | | } + | |_^ + +error: associated constant has missing stability attribute + --> $DIR/issue-113860.rs:6:5 + | +LL | const X: u32; + | ^^^^^^^^^^^^^ + +error: aborting due to 5 previous errors + +For more information about this error, try `rustc --explain E0449`. diff --git a/tests/ui/proc-macro/derive-helper-shadowed.rs b/tests/ui/proc-macro/derive-helper-shadowed.rs index e299454e0fc..ac14ece6918 100644 --- a/tests/ui/proc-macro/derive-helper-shadowed.rs +++ b/tests/ui/proc-macro/derive-helper-shadowed.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // aux-build:test-macros.rs // aux-build:derive-helper-shadowed-2.rs diff --git a/tests/ui/proc-macro/derive-in-mod.rs b/tests/ui/proc-macro/derive-in-mod.rs index 8b5d4e9d09c..96e9d93fe12 100644 --- a/tests/ui/proc-macro/derive-in-mod.rs +++ b/tests/ui/proc-macro/derive-in-mod.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // aux-build:test-macros.rs extern crate test_macros; diff --git a/tests/ui/proc-macro/edition-imports-2018.rs b/tests/ui/proc-macro/edition-imports-2018.rs index 5a77cd4ef4f..76567353198 100644 --- a/tests/ui/proc-macro/edition-imports-2018.rs +++ b/tests/ui/proc-macro/edition-imports-2018.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // edition:2018 // aux-build:edition-imports-2015.rs diff --git a/tests/ui/proc-macro/extern-prelude-extern-crate-proc-macro.rs b/tests/ui/proc-macro/extern-prelude-extern-crate-proc-macro.rs index a6e64e1b1b1..38f61c36c8c 100644 --- a/tests/ui/proc-macro/extern-prelude-extern-crate-proc-macro.rs +++ b/tests/ui/proc-macro/extern-prelude-extern-crate-proc-macro.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // edition:2018 extern crate proc_macro; diff --git a/tests/ui/proc-macro/helper-attr-blocked-by-import.rs b/tests/ui/proc-macro/helper-attr-blocked-by-import.rs index 2e20a3de6bf..344323122dc 100644 --- a/tests/ui/proc-macro/helper-attr-blocked-by-import.rs +++ b/tests/ui/proc-macro/helper-attr-blocked-by-import.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // aux-build:test-macros.rs #[macro_use(Empty)] diff --git a/tests/ui/proc-macro/issue-53481.rs b/tests/ui/proc-macro/issue-53481.rs index ae10a3baa3e..922e60a4c4f 100644 --- a/tests/ui/proc-macro/issue-53481.rs +++ b/tests/ui/proc-macro/issue-53481.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // aux-build:test-macros.rs #[macro_use] diff --git a/tests/ui/proc-macro/macro-use-attr.rs b/tests/ui/proc-macro/macro-use-attr.rs index b101c09ed54..d275fb6a804 100644 --- a/tests/ui/proc-macro/macro-use-attr.rs +++ b/tests/ui/proc-macro/macro-use-attr.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // aux-build:test-macros.rs #[macro_use] diff --git a/tests/ui/proc-macro/macro-use-bang.rs b/tests/ui/proc-macro/macro-use-bang.rs index 4a0bf0b2f63..e3174fd446a 100644 --- a/tests/ui/proc-macro/macro-use-bang.rs +++ b/tests/ui/proc-macro/macro-use-bang.rs @@ -1,4 +1,4 @@ -// build-pass (FIXME(62277): could be check-pass?) +// check-pass // aux-build:test-macros.rs #[macro_use] diff --git a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.stderr b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.default.stderr index 233f1bc5a86..24e2e0a0f7a 100644 --- a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.stderr +++ b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.default.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-assoc-const-type.rs:2:14 + --> $DIR/missing-lifetime-in-assoc-const-type.rs:6:14 | LL | const A: &str = ""; | ^ expected named lifetime parameter @@ -11,7 +11,7 @@ LL ~ const A: &'a str = ""; | error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-assoc-const-type.rs:3:14 + --> $DIR/missing-lifetime-in-assoc-const-type.rs:7:14 | LL | const B: S = S { s: &() }; | ^ expected named lifetime parameter @@ -24,7 +24,7 @@ LL ~ const B: S<'a> = S { s: &() }; | error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-assoc-const-type.rs:4:15 + --> $DIR/missing-lifetime-in-assoc-const-type.rs:8:15 | LL | const C: &'_ str = ""; | ^^ expected named lifetime parameter @@ -38,7 +38,7 @@ LL ~ const C: &'a str = ""; | error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-in-assoc-const-type.rs:5:14 + --> $DIR/missing-lifetime-in-assoc-const-type.rs:9:14 | LL | const D: T = T { a: &(), b: &() }; | ^ expected 2 lifetime parameters diff --git a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.generic_const_items.stderr b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.generic_const_items.stderr new file mode 100644 index 00000000000..a97ffe7da79 --- /dev/null +++ b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.generic_const_items.stderr @@ -0,0 +1,47 @@ +error[E0106]: missing lifetime specifier + --> $DIR/missing-lifetime-in-assoc-const-type.rs:6:14 + | +LL | const A: &str = ""; + | ^ expected named lifetime parameter + | +help: consider introducing a named lifetime parameter + | +LL | const A<'a>: &'a str = ""; + | ++++ ++ + +error[E0106]: missing lifetime specifier + --> $DIR/missing-lifetime-in-assoc-const-type.rs:7:14 + | +LL | const B: S = S { s: &() }; + | ^ expected named lifetime parameter + | +help: consider introducing a named lifetime parameter + | +LL | const B<'a>: S<'a> = S { s: &() }; + | ++++ ++++ + +error[E0106]: missing lifetime specifier + --> $DIR/missing-lifetime-in-assoc-const-type.rs:8:15 + | +LL | const C: &'_ str = ""; + | ^^ expected named lifetime parameter + | +help: consider introducing a named lifetime parameter + | +LL | const C<'a>: &'a str = ""; + | ++++ ~~ + +error[E0106]: missing lifetime specifiers + --> $DIR/missing-lifetime-in-assoc-const-type.rs:9:14 + | +LL | const D: T = T { a: &(), b: &() }; + | ^ expected 2 lifetime parameters + | +help: consider introducing a named lifetime parameter + | +LL | const D<'a>: T<'a, 'a> = T { a: &(), b: &() }; + | ++++ ++++++++ + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0106`. diff --git a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs index 38332627f4c..2a8b4c3c044 100644 --- a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs +++ b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs @@ -1,3 +1,7 @@ +// revisions: default generic_const_items + +#![cfg_attr(generic_const_items, feature(generic_const_items), allow(incomplete_features))] + trait ZstAssert: Sized { const A: &str = ""; //~ ERROR missing lifetime specifier const B: S = S { s: &() }; //~ ERROR missing lifetime specifier |