diff options
Diffstat (limited to 'tests/ui/moves')
5 files changed, 72 insertions, 0 deletions
diff --git a/tests/ui/moves/issue-22536-copy-mustnt-zero.rs b/tests/ui/moves/issue-22536-copy-mustnt-zero.rs new file mode 100644 index 000000000..017f36484 --- /dev/null +++ b/tests/ui/moves/issue-22536-copy-mustnt-zero.rs @@ -0,0 +1,28 @@ +// run-pass +// Regression test for Issue #22536: If a type implements Copy, then +// moving it must not zero the original memory. + + +trait Resources { + type Buffer: Copy; + fn foo(&self) {} +} + +struct BufferHandle<R: Resources> { + raw: <R as Resources>::Buffer, +} +impl<R: Resources> Copy for BufferHandle<R> {} +impl<R: Resources> Clone for BufferHandle<R> { + fn clone(&self) -> BufferHandle<R> { *self } +} + +enum Res {} +impl Resources for Res { + type Buffer = u32; +} + +fn main() { + let b: BufferHandle<Res> = BufferHandle { raw: 1 }; + let c = b; + assert_eq!(c.raw, b.raw) +} diff --git a/tests/ui/moves/move-fn-self-receiver.stderr b/tests/ui/moves/move-fn-self-receiver.stderr index 7f69e5dcf..91d237b1d 100644 --- a/tests/ui/moves/move-fn-self-receiver.stderr +++ b/tests/ui/moves/move-fn-self-receiver.stderr @@ -75,6 +75,8 @@ LL | fn use_pin_box_self(self: Pin<Box<Self>>) {} error[E0505]: cannot move out of `mut_foo` because it is borrowed --> $DIR/move-fn-self-receiver.rs:50:5 | +LL | let mut mut_foo = Foo; + | ----------- binding `mut_foo` declared here LL | let ret = mut_foo.use_mut_self(); | ---------------------- borrow of `mut_foo` occurs here LL | mut_foo; diff --git a/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.fixed b/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.fixed new file mode 100644 index 000000000..0b9a3bae9 --- /dev/null +++ b/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.fixed @@ -0,0 +1,11 @@ +// run-rustfix +use std::pin::Pin; + +fn foo(_: &mut ()) {} + +fn main() { + let mut uwu = (); + let mut r = Pin::new(&mut uwu); + foo(r.as_mut().get_mut()); + foo(r.get_mut()); //~ ERROR use of moved value +} diff --git a/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.rs b/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.rs new file mode 100644 index 000000000..0e952b06e --- /dev/null +++ b/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.rs @@ -0,0 +1,11 @@ +// run-rustfix +use std::pin::Pin; + +fn foo(_: &mut ()) {} + +fn main() { + let mut uwu = (); + let mut r = Pin::new(&mut uwu); + foo(r.get_mut()); + foo(r.get_mut()); //~ ERROR use of moved value +} diff --git a/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.stderr b/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.stderr new file mode 100644 index 000000000..7e513b73c --- /dev/null +++ b/tests/ui/moves/pin-mut-reborrow-infer-var-issue-107419.stderr @@ -0,0 +1,20 @@ +error[E0382]: use of moved value: `r` + --> $DIR/pin-mut-reborrow-infer-var-issue-107419.rs:10:9 + | +LL | let mut r = Pin::new(&mut uwu); + | ----- move occurs because `r` has type `Pin<&mut ()>`, which does not implement the `Copy` trait +LL | foo(r.get_mut()); + | --------- `r` moved due to this method call +LL | foo(r.get_mut()); + | ^ value used here after move + | +note: `Pin::<&'a mut T>::get_mut` takes ownership of the receiver `self`, which moves `r` + --> $SRC_DIR/core/src/pin.rs:LL:COL +help: consider reborrowing the `Pin` instead of moving it + | +LL | foo(r.as_mut().get_mut()); + | +++++++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0382`. |