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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /src/test/ui/drop | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-17d40c6057c88f4c432b0d7bac88e1b84cb7e67f.tar.xz rustc-17d40c6057c88f4c432b0d7bac88e1b84cb7e67f.zip |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/drop/drop-foreign-fundamental.rs | 23 | ||||
-rw-r--r-- | src/test/ui/drop/drop-foreign-fundamental.stderr | 9 | ||||
-rw-r--r-- | src/test/ui/drop/drop_order.rs | 145 | ||||
-rw-r--r-- | src/test/ui/dropck/drop-on-non-struct.rs | 7 | ||||
-rw-r--r-- | src/test/ui/dropck/drop-on-non-struct.stderr | 4 |
5 files changed, 182 insertions, 6 deletions
diff --git a/src/test/ui/drop/drop-foreign-fundamental.rs b/src/test/ui/drop/drop-foreign-fundamental.rs new file mode 100644 index 000000000..c43df40d6 --- /dev/null +++ b/src/test/ui/drop/drop-foreign-fundamental.rs @@ -0,0 +1,23 @@ +use std::ops::Deref; +use std::pin::Pin; + +struct Whatever<T>(T); + +impl<T> Deref for Whatever<T> { + type Target = T; + + fn deref(&self) -> &T { + &self.0 + } +} + +struct A; + +impl Drop for Pin<Whatever<A>> { + //~^ ERROR the `Drop` trait may only be implemented for local structs, enums, and unions + fn drop(&mut self) {} +} + +fn main() { + let x = Pin::new(Whatever(1.0f32)); +} diff --git a/src/test/ui/drop/drop-foreign-fundamental.stderr b/src/test/ui/drop/drop-foreign-fundamental.stderr new file mode 100644 index 000000000..fbd1ba085 --- /dev/null +++ b/src/test/ui/drop/drop-foreign-fundamental.stderr @@ -0,0 +1,9 @@ +error[E0120]: the `Drop` trait may only be implemented for local structs, enums, and unions + --> $DIR/drop-foreign-fundamental.rs:16:15 + | +LL | impl Drop for Pin<Whatever<A>> { + | ^^^^^^^^^^^^^^^^ must be a struct, enum, or union in the current crate + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0120`. diff --git a/src/test/ui/drop/drop_order.rs b/src/test/ui/drop/drop_order.rs new file mode 100644 index 000000000..e42150dcc --- /dev/null +++ b/src/test/ui/drop/drop_order.rs @@ -0,0 +1,145 @@ +// run-pass + +use std::cell::RefCell; +use std::convert::TryInto; + +#[derive(Default)] +struct DropOrderCollector(RefCell<Vec<u32>>); + +struct LoudDrop<'a>(&'a DropOrderCollector, u32); + +impl Drop for LoudDrop<'_> { + fn drop(&mut self) { + println!("{}", self.1); + self.0.0.borrow_mut().push(self.1); + } +} + +impl DropOrderCollector { + fn option_loud_drop(&self, n: u32) -> Option<LoudDrop> { + Some(LoudDrop(self, n)) + } + + fn loud_drop(&self, n: u32) -> LoudDrop { + LoudDrop(self, n) + } + + fn print(&self, n: u32) { + println!("{}", n); + self.0.borrow_mut().push(n) + } + + fn if_(&self) { + if self.option_loud_drop(1).is_some() { + self.print(2); + } + + if self.option_loud_drop(3).is_none() { + unreachable!(); + } else if self.option_loud_drop(4).is_some() { + self.print(5); + } + + if { + if self.option_loud_drop(7).is_some() && self.option_loud_drop(6).is_some() { + self.loud_drop(8); + true + } else { + false + } + } { + self.print(9); + } + } + + fn if_let(&self) { + if let None = self.option_loud_drop(2) { + unreachable!(); + } else { + self.print(1); + } + + if let Some(_) = self.option_loud_drop(4) { + self.print(3); + } + + if let Some(_d) = self.option_loud_drop(6) { + self.print(5); + } + } + + fn match_(&self) { + match self.option_loud_drop(2) { + _any => self.print(1), + } + + match self.option_loud_drop(4) { + _ => self.print(3), + } + + match self.option_loud_drop(6) { + Some(_) => self.print(5), + _ => unreachable!(), + } + + match { + let _ = self.loud_drop(7); + let _d = self.loud_drop(9); + self.print(8); + () + } { + () => self.print(10), + } + + match { + match self.option_loud_drop(14) { + _ => { + self.print(11); + self.option_loud_drop(13) + } + } + } { + _ => self.print(12), + } + + match { + loop { + break match self.option_loud_drop(16) { + _ => { + self.print(15); + self.option_loud_drop(18) + } + }; + } + } { + _ => self.print(17), + } + } + + fn assert_sorted(self) { + assert!( + self.0 + .into_inner() + .into_iter() + .enumerate() + .all(|(idx, item)| idx + 1 == item.try_into().unwrap()) + ); + } +} + +fn main() { + println!("-- if --"); + let collector = DropOrderCollector::default(); + collector.if_(); + collector.assert_sorted(); + + println!("-- if let --"); + let collector = DropOrderCollector::default(); + collector.if_let(); + collector.assert_sorted(); + + println!("-- match --"); + let collector = DropOrderCollector::default(); + collector.match_(); + collector.assert_sorted(); +} diff --git a/src/test/ui/dropck/drop-on-non-struct.rs b/src/test/ui/dropck/drop-on-non-struct.rs index ef5e18126..145eab126 100644 --- a/src/test/ui/dropck/drop-on-non-struct.rs +++ b/src/test/ui/dropck/drop-on-non-struct.rs @@ -1,5 +1,5 @@ impl<'a> Drop for &'a mut isize { - //~^ ERROR the `Drop` trait may only be implemented for structs, enums, and unions + //~^ ERROR the `Drop` trait may only be implemented for local structs, enums, and unions //~^^ ERROR E0117 fn drop(&mut self) { println!("kaboom"); @@ -8,8 +8,7 @@ impl<'a> Drop for &'a mut isize { impl Drop for Nonexistent { //~^ ERROR cannot find type `Nonexistent` - fn drop(&mut self) { } + fn drop(&mut self) {} } -fn main() { -} +fn main() {} diff --git a/src/test/ui/dropck/drop-on-non-struct.stderr b/src/test/ui/dropck/drop-on-non-struct.stderr index e52728f37..e8fbe5e97 100644 --- a/src/test/ui/dropck/drop-on-non-struct.stderr +++ b/src/test/ui/dropck/drop-on-non-struct.stderr @@ -15,11 +15,11 @@ LL | impl<'a> Drop for &'a mut isize { | = note: define and implement a trait or new type instead -error[E0120]: the `Drop` trait may only be implemented for structs, enums, and unions +error[E0120]: the `Drop` trait may only be implemented for local structs, enums, and unions --> $DIR/drop-on-non-struct.rs:1:19 | LL | impl<'a> Drop for &'a mut isize { - | ^^^^^^^^^^^^^ must be a struct, enum, or union + | ^^^^^^^^^^^^^ must be a struct, enum, or union in the current crate error: aborting due to 3 previous errors |