diff options
Diffstat (limited to 'src/test/ui/dyn-star')
-rw-r--r-- | src/test/ui/dyn-star/auxiliary/dyn-star-foreign.rs | 10 | ||||
-rw-r--r-- | src/test/ui/dyn-star/box.rs | 17 | ||||
-rw-r--r-- | src/test/ui/dyn-star/const.rs | 2 | ||||
-rw-r--r-- | src/test/ui/dyn-star/drop.rs | 2 | ||||
-rw-r--r-- | src/test/ui/dyn-star/error.rs | 2 | ||||
-rw-r--r-- | src/test/ui/dyn-star/error.stderr | 2 | ||||
-rw-r--r-- | src/test/ui/dyn-star/make-dyn-star.rs | 5 | ||||
-rw-r--r-- | src/test/ui/dyn-star/method.rs | 3 | ||||
-rw-r--r-- | src/test/ui/dyn-star/no-explicit-dyn-star-cast.rs | 13 | ||||
-rw-r--r-- | src/test/ui/dyn-star/no-explicit-dyn-star-cast.stderr | 28 | ||||
-rw-r--r-- | src/test/ui/dyn-star/no-explicit-dyn-star.rs | 8 | ||||
-rw-r--r-- | src/test/ui/dyn-star/no-explicit-dyn-star.stderr | 9 | ||||
-rw-r--r-- | src/test/ui/dyn-star/no-implicit-dyn-star.rs | 8 | ||||
-rw-r--r-- | src/test/ui/dyn-star/no-implicit-dyn-star.stderr | 19 | ||||
-rw-r--r-- | src/test/ui/dyn-star/upcast.rs | 33 |
15 files changed, 156 insertions, 5 deletions
diff --git a/src/test/ui/dyn-star/auxiliary/dyn-star-foreign.rs b/src/test/ui/dyn-star/auxiliary/dyn-star-foreign.rs new file mode 100644 index 000000000..7673c7936 --- /dev/null +++ b/src/test/ui/dyn-star/auxiliary/dyn-star-foreign.rs @@ -0,0 +1,10 @@ +#![feature(dyn_star)] +#![allow(incomplete_features)] + +use std::fmt::Display; + +pub fn require_dyn_star_display(_: dyn* Display) {} + +fn works_locally() { + require_dyn_star_display(1usize); +} diff --git a/src/test/ui/dyn-star/box.rs b/src/test/ui/dyn-star/box.rs new file mode 100644 index 000000000..d1f1819d9 --- /dev/null +++ b/src/test/ui/dyn-star/box.rs @@ -0,0 +1,17 @@ +// run-pass +// compile-flags: -C opt-level=0 + +#![feature(dyn_star)] +#![allow(incomplete_features)] + +use std::fmt::Display; + +fn make_dyn_star() -> dyn* Display { + Box::new(42) as dyn* Display +} + +fn main() { + let x = make_dyn_star(); + + println!("{x}"); +} diff --git a/src/test/ui/dyn-star/const.rs b/src/test/ui/dyn-star/const.rs index e49caf649..67e3ab7ab 100644 --- a/src/test/ui/dyn-star/const.rs +++ b/src/test/ui/dyn-star/const.rs @@ -6,7 +6,7 @@ use std::fmt::Debug; fn make_dyn_star() { let i = 42usize; - let dyn_i: dyn* Debug = i as dyn* Debug; + let dyn_i: dyn* Debug = i; } fn main() { diff --git a/src/test/ui/dyn-star/drop.rs b/src/test/ui/dyn-star/drop.rs index 46b232f3d..1478498c0 100644 --- a/src/test/ui/dyn-star/drop.rs +++ b/src/test/ui/dyn-star/drop.rs @@ -15,7 +15,7 @@ impl Drop for Foo { } fn make_dyn_star(i: Foo) { - let _dyn_i: dyn* Debug = i as dyn* Debug; + let _dyn_i: dyn* Debug = i; } fn main() { diff --git a/src/test/ui/dyn-star/error.rs b/src/test/ui/dyn-star/error.rs index 33eff80a5..d8261387e 100644 --- a/src/test/ui/dyn-star/error.rs +++ b/src/test/ui/dyn-star/error.rs @@ -7,7 +7,7 @@ trait Foo {} fn make_dyn_star() { let i = 42; - let dyn_i: dyn* Foo = i as dyn* Foo; //~ ERROR trait bound `{integer}: Foo` is not satisfied + let dyn_i: dyn* Foo = i; //~ ERROR trait bound `{integer}: Foo` is not satisfied } fn main() {} diff --git a/src/test/ui/dyn-star/error.stderr b/src/test/ui/dyn-star/error.stderr index d612ccc63..ae54b9ca7 100644 --- a/src/test/ui/dyn-star/error.stderr +++ b/src/test/ui/dyn-star/error.stderr @@ -1,7 +1,7 @@ error[E0277]: the trait bound `{integer}: Foo` is not satisfied --> $DIR/error.rs:10:27 | -LL | let dyn_i: dyn* Foo = i as dyn* Foo; +LL | let dyn_i: dyn* Foo = i; | ^ the trait `Foo` is not implemented for `{integer}` error: aborting due to previous error diff --git a/src/test/ui/dyn-star/make-dyn-star.rs b/src/test/ui/dyn-star/make-dyn-star.rs index 708ffa25d..e5255a64b 100644 --- a/src/test/ui/dyn-star/make-dyn-star.rs +++ b/src/test/ui/dyn-star/make-dyn-star.rs @@ -5,9 +5,14 @@ use std::fmt::Debug; fn make_dyn_star(i: usize) { + let _dyn_i: dyn* Debug = i; +} + +fn make_dyn_star_explicit(i: usize) { let _dyn_i: dyn* Debug = i as dyn* Debug; } fn main() { make_dyn_star(42); + make_dyn_star_explicit(42); } diff --git a/src/test/ui/dyn-star/method.rs b/src/test/ui/dyn-star/method.rs index d04958ca2..5a77640f0 100644 --- a/src/test/ui/dyn-star/method.rs +++ b/src/test/ui/dyn-star/method.rs @@ -1,4 +1,5 @@ // run-pass + #![feature(dyn_star)] #![allow(incomplete_features)] @@ -17,7 +18,7 @@ fn invoke_dyn_star(i: dyn* Foo) -> usize { } fn make_and_invoke_dyn_star(i: usize) -> usize { - let dyn_i: dyn* Foo = i as dyn* Foo; + let dyn_i: dyn* Foo = i; invoke_dyn_star(dyn_i) } diff --git a/src/test/ui/dyn-star/no-explicit-dyn-star-cast.rs b/src/test/ui/dyn-star/no-explicit-dyn-star-cast.rs new file mode 100644 index 000000000..67240c8e8 --- /dev/null +++ b/src/test/ui/dyn-star/no-explicit-dyn-star-cast.rs @@ -0,0 +1,13 @@ +use std::fmt::Debug; + +fn make_dyn_star() { + let i = 42usize; + let dyn_i: dyn* Debug = i as dyn* Debug; + //~^ ERROR casting `usize` as `dyn* Debug` is invalid + //~| ERROR dyn* trait objects are unstable + //~| ERROR dyn* trait objects are unstable +} + +fn main() { + make_dyn_star(); +} diff --git a/src/test/ui/dyn-star/no-explicit-dyn-star-cast.stderr b/src/test/ui/dyn-star/no-explicit-dyn-star-cast.stderr new file mode 100644 index 000000000..687d7db04 --- /dev/null +++ b/src/test/ui/dyn-star/no-explicit-dyn-star-cast.stderr @@ -0,0 +1,28 @@ +error[E0658]: dyn* trait objects are unstable + --> $DIR/no-explicit-dyn-star-cast.rs:5:16 + | +LL | let dyn_i: dyn* Debug = i as dyn* Debug; + | ^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = help: add `#![feature(dyn_star)]` to the crate attributes to enable + +error[E0658]: dyn* trait objects are unstable + --> $DIR/no-explicit-dyn-star-cast.rs:5:34 + | +LL | let dyn_i: dyn* Debug = i as dyn* Debug; + | ^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = help: add `#![feature(dyn_star)]` to the crate attributes to enable + +error[E0606]: casting `usize` as `dyn* Debug` is invalid + --> $DIR/no-explicit-dyn-star-cast.rs:5:29 + | +LL | let dyn_i: dyn* Debug = i as dyn* Debug; + | ^^^^^^^^^^^^^^^ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0606, E0658. +For more information about an error, try `rustc --explain E0606`. diff --git a/src/test/ui/dyn-star/no-explicit-dyn-star.rs b/src/test/ui/dyn-star/no-explicit-dyn-star.rs new file mode 100644 index 000000000..4f726b7c6 --- /dev/null +++ b/src/test/ui/dyn-star/no-explicit-dyn-star.rs @@ -0,0 +1,8 @@ +// aux-build:dyn-star-foreign.rs + +extern crate dyn_star_foreign; + +fn main() { + dyn_star_foreign::require_dyn_star_display(1usize as _); + //~^ ERROR casting `usize` as `dyn* std::fmt::Display` is invalid +} diff --git a/src/test/ui/dyn-star/no-explicit-dyn-star.stderr b/src/test/ui/dyn-star/no-explicit-dyn-star.stderr new file mode 100644 index 000000000..49706fae1 --- /dev/null +++ b/src/test/ui/dyn-star/no-explicit-dyn-star.stderr @@ -0,0 +1,9 @@ +error[E0606]: casting `usize` as `dyn* std::fmt::Display` is invalid + --> $DIR/no-explicit-dyn-star.rs:6:48 + | +LL | dyn_star_foreign::require_dyn_star_display(1usize as _); + | ^^^^^^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0606`. diff --git a/src/test/ui/dyn-star/no-implicit-dyn-star.rs b/src/test/ui/dyn-star/no-implicit-dyn-star.rs new file mode 100644 index 000000000..d9470e284 --- /dev/null +++ b/src/test/ui/dyn-star/no-implicit-dyn-star.rs @@ -0,0 +1,8 @@ +// aux-build:dyn-star-foreign.rs + +extern crate dyn_star_foreign; + +fn main() { + dyn_star_foreign::require_dyn_star_display(1usize); + //~^ ERROR mismatched types +} diff --git a/src/test/ui/dyn-star/no-implicit-dyn-star.stderr b/src/test/ui/dyn-star/no-implicit-dyn-star.stderr new file mode 100644 index 000000000..e7c591862 --- /dev/null +++ b/src/test/ui/dyn-star/no-implicit-dyn-star.stderr @@ -0,0 +1,19 @@ +error[E0308]: mismatched types + --> $DIR/no-implicit-dyn-star.rs:6:48 + | +LL | dyn_star_foreign::require_dyn_star_display(1usize); + | ------------------------------------------ ^^^^^^ expected trait object `dyn std::fmt::Display`, found `usize` + | | + | arguments to this function are incorrect + | + = note: expected trait object `(dyn* std::fmt::Display + 'static)` + found type `usize` +note: function defined here + --> $DIR/auxiliary/dyn-star-foreign.rs:6:8 + | +LL | pub fn require_dyn_star_display(_: dyn* Display) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/dyn-star/upcast.rs b/src/test/ui/dyn-star/upcast.rs new file mode 100644 index 000000000..cee76ada7 --- /dev/null +++ b/src/test/ui/dyn-star/upcast.rs @@ -0,0 +1,33 @@ +// run-pass + +#![feature(dyn_star, trait_upcasting)] +#![allow(incomplete_features)] + +trait Foo: Bar { + fn hello(&self); +} + +trait Bar { + fn world(&self); +} + +struct W(usize); + +impl Foo for W { + fn hello(&self) { + println!("hello!"); + } +} + +impl Bar for W { + fn world(&self) { + println!("world!"); + } +} + +fn main() { + let w: dyn* Foo = W(0); + w.hello(); + let w: dyn* Bar = w; + w.world(); +} |