diff options
Diffstat (limited to 'tests/ui/lang-items')
15 files changed, 202 insertions, 57 deletions
diff --git a/tests/ui/lang-items/bad-add-impl.rs b/tests/ui/lang-items/bad-add-impl.rs new file mode 100644 index 000000000..0c44edbe5 --- /dev/null +++ b/tests/ui/lang-items/bad-add-impl.rs @@ -0,0 +1,18 @@ +#![feature(no_core)] +#![feature(lang_items)] +#![no_core] + +#[lang = "sized"] +trait Sized {} + +#[lang = "add"] +trait Add<T> { + const add: u32 = 1u32; +} + +impl Add<u32> for u32 {} + +fn main() { + 1u32 + 1u32; + //~^ ERROR cannot add `u32` to `u32` +} diff --git a/tests/ui/lang-items/bad-add-impl.stderr b/tests/ui/lang-items/bad-add-impl.stderr new file mode 100644 index 000000000..3143729f9 --- /dev/null +++ b/tests/ui/lang-items/bad-add-impl.stderr @@ -0,0 +1,11 @@ +error[E0369]: cannot add `u32` to `u32` + --> $DIR/bad-add-impl.rs:16:10 + | +LL | 1u32 + 1u32; + | ---- ^ ---- u32 + | | + | u32 + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0369`. diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_item.stderr new file mode 100644 index 000000000..ff603111e --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:39:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:43:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_sig.stderr new file mode 100644 index 000000000..ff603111e --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:39:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:43:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_item.stderr new file mode 100644 index 000000000..02e33c597 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_sig.stderr new file mode 100644 index 000000000..02e33c597 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_item.stderr new file mode 100644 index 000000000..02e33c597 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_sig.stderr new file mode 100644 index 000000000..02e33c597 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_item.stderr new file mode 100644 index 000000000..02e33c597 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_sig.stderr new file mode 100644 index 000000000..02e33c597 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs index 52bd8136d..757c6538d 100644 --- a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs @@ -1,27 +1,49 @@ -// Make sure that an error is reported if the `call` function of the -// `fn`/`fn_mut` lang item is grossly ill-formed. +// revisions: fn_once_bad_item fn_once_bad_sig fn_mut_bad_item fn_mut_bad_sig fn_bad_item fn_bad_sig #![feature(lang_items)] #![feature(no_core)] #![no_core] +#[lang = "sized"] +trait Sized {} + +#[cfg(any(fn_bad_item, fn_bad_sig))] #[lang = "fn"] trait MyFn<T> { + #[cfg(fn_bad_sig)] + fn call(i: i32) -> i32 { 0 } + + #[cfg(fn_bad_item)] const call: i32 = 42; - //~^ ERROR: `call` trait item in `fn` lang item must be a function } +#[cfg(any(fn_mut_bad_item, fn_mut_bad_sig))] #[lang = "fn_mut"] trait MyFnMut<T> { - fn call(i: i32, j: i32) -> i32 { i + j } - //~^ ERROR: first argument of `call` in `fn_mut` lang item must be a reference + #[cfg(fn_mut_bad_sig)] + fn call_mut(i: i32) -> i32 { 0 } + + #[cfg(fn_mut_bad_item)] + const call_mut: i32 = 42; +} + +#[cfg(any(fn_once_bad_item, fn_once_bad_sig))] +#[lang = "fn_once"] +trait MyFnOnce<T> { + #[cfg(fn_once_bad_sig)] + fn call_once(i: i32) -> i32 { 0 } + + #[cfg(fn_once_bad_item)] + const call_once: i32 = 42; } fn main() { let a = || 42; a(); + //~^ ERROR failed to find an overloaded call trait for closure call let mut i = 0; - let mut b = || { i += 1; }; + let mut b = || { }; b(); + //~^ ERROR failed to find an overloaded call trait for closure call } diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr deleted file mode 100644 index 82bdae270..000000000 --- a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: `call` trait item in `fn` lang item must be a function - --> $DIR/fn-fn_mut-call-ill-formed.rs:10:5 - | -LL | const call: i32 = 42; - | ^^^^^^^^^^^^^^^^^^^^^ - -error: first argument of `call` in `fn_mut` lang item must be a reference - --> $DIR/fn-fn_mut-call-ill-formed.rs:16:16 - | -LL | fn call(i: i32, j: i32) -> i32 { i + j } - | ^^^ - -error: aborting due to 2 previous errors - diff --git a/tests/ui/lang-items/issue-86238.stderr b/tests/ui/lang-items/issue-86238.stderr index 767e6de22..c6e811a94 100644 --- a/tests/ui/lang-items/issue-86238.stderr +++ b/tests/ui/lang-items/issue-86238.stderr @@ -4,7 +4,7 @@ error: failed to find an overloaded call trait for closure call LL | one() | ^^^^^ | - = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have associated `call`/`call_mut`/`call_once` functions + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods error: aborting due to previous error diff --git a/tests/ui/lang-items/lang-item-missing-generator.rs b/tests/ui/lang-items/lang-item-missing-generator.rs deleted file mode 100644 index 9b9aff38e..000000000 --- a/tests/ui/lang-items/lang-item-missing-generator.rs +++ /dev/null @@ -1,21 +0,0 @@ -// error-pattern: requires `generator` lang_item -#![feature(no_core, lang_items, unboxed_closures, tuple_trait)] -#![no_core] - -#[lang = "sized"] pub trait Sized { } - -#[lang = "tuple_trait"] pub trait Tuple { } - -#[lang = "fn_once"] -#[rustc_paren_sugar] -pub trait FnOnce<Args: Tuple> { - type Output; - - extern "rust-call" fn call_once(self, args: Args) -> Self::Output; -} - -pub fn abc() -> impl FnOnce(f32) { - |_| {} -} - -fn main() {} diff --git a/tests/ui/lang-items/lang-item-missing-generator.stderr b/tests/ui/lang-items/lang-item-missing-generator.stderr deleted file mode 100644 index a24fdb5fb..000000000 --- a/tests/ui/lang-items/lang-item-missing-generator.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0635]: unknown feature `tuple_trait` - --> $DIR/lang-item-missing-generator.rs:2:51 - | -LL | #![feature(no_core, lang_items, unboxed_closures, tuple_trait)] - | ^^^^^^^^^^^ - -error: requires `generator` lang_item - --> $DIR/lang-item-missing-generator.rs:17:17 - | -LL | pub fn abc() -> impl FnOnce(f32) { - | ^^^^^^^^^^^^^^^^ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0635`. |