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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs')
-rw-r--r-- | src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs b/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs new file mode 100644 index 000000000..2f8cddc06 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs @@ -0,0 +1,101 @@ +// edition:2021 + +// Tests that in cases where we individually capture all the fields of a type, +// we still drop them in the order they would have been dropped in the 2018 edition. + +// NOTE: It is *critical* that the order of the min capture NOTES in the stderr output +// does *not* change! + +#![feature(rustc_attrs)] + +#[derive(Debug)] +struct HasDrop; +impl Drop for HasDrop { + fn drop(&mut self) { + println!("dropped"); + } +} + +fn test_one() { + let a = (HasDrop, HasDrop); + let b = (HasDrop, HasDrop); + + let c = #[rustc_capture_analysis] + //~^ ERROR: attributes on expressions are experimental + //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> + || { + //~^ ERROR: Min Capture analysis includes: + //~| ERROR + println!("{:?}", a.0); + //~^ NOTE: Min Capture a[(0, 0)] -> ImmBorrow + //~| NOTE + println!("{:?}", a.1); + //~^ NOTE: Min Capture a[(1, 0)] -> ImmBorrow + //~| NOTE + + println!("{:?}", b.0); + //~^ NOTE: Min Capture b[(0, 0)] -> ImmBorrow + //~| NOTE + println!("{:?}", b.1); + //~^ NOTE: Min Capture b[(1, 0)] -> ImmBorrow + //~| NOTE + }; +} + +fn test_two() { + let a = (HasDrop, HasDrop); + let b = (HasDrop, HasDrop); + + let c = #[rustc_capture_analysis] + //~^ ERROR: attributes on expressions are experimental + //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> + || { + //~^ ERROR: Min Capture analysis includes: + //~| ERROR + println!("{:?}", a.1); + //~^ NOTE: Min Capture a[(1, 0)] -> ImmBorrow + //~| NOTE + println!("{:?}", a.0); + //~^ NOTE: Min Capture a[(0, 0)] -> ImmBorrow + //~| NOTE + + println!("{:?}", b.1); + //~^ NOTE: Min Capture b[(1, 0)] -> ImmBorrow + //~| NOTE + println!("{:?}", b.0); + //~^ NOTE: Min Capture b[(0, 0)] -> ImmBorrow + //~| NOTE + }; +} + +fn test_three() { + let a = (HasDrop, HasDrop); + let b = (HasDrop, HasDrop); + + let c = #[rustc_capture_analysis] + //~^ ERROR: attributes on expressions are experimental + //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> + || { + //~^ ERROR: Min Capture analysis includes: + //~| ERROR + println!("{:?}", b.1); + //~^ NOTE: Min Capture b[(1, 0)] -> ImmBorrow + //~| NOTE + println!("{:?}", a.1); + //~^ NOTE: Min Capture a[(1, 0)] -> ImmBorrow + //~| NOTE + println!("{:?}", a.0); + //~^ NOTE: Min Capture a[(0, 0)] -> ImmBorrow + //~| NOTE + + println!("{:?}", b.0); + //~^ NOTE: Min Capture b[(0, 0)] -> ImmBorrow + //~| NOTE + }; +} + +fn main() { + test_one(); + test_two(); + test_three(); +} |