diff options
Diffstat (limited to 'src/test/ui/issues/issue-10802.rs')
-rw-r--r-- | src/test/ui/issues/issue-10802.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-10802.rs b/src/test/ui/issues/issue-10802.rs new file mode 100644 index 000000000..f1d6b37a6 --- /dev/null +++ b/src/test/ui/issues/issue-10802.rs @@ -0,0 +1,46 @@ +// run-pass +#![allow(dead_code)] +#![feature(box_syntax)] + +struct DroppableStruct; +enum DroppableEnum { + DroppableVariant1, DroppableVariant2 +} + +static mut DROPPED: bool = false; + +impl Drop for DroppableStruct { + fn drop(&mut self) { + unsafe { DROPPED = true; } + } +} +impl Drop for DroppableEnum { + fn drop(&mut self) { + unsafe { DROPPED = true; } + } +} + +trait MyTrait { fn dummy(&self) { } } +impl MyTrait for Box<DroppableStruct> {} +impl MyTrait for Box<DroppableEnum> {} + +struct Whatever { w: Box<dyn MyTrait+'static> } +impl Whatever { + fn new(w: Box<dyn MyTrait+'static>) -> Whatever { + Whatever { w: w } + } +} + +fn main() { + { + let f: Box<_> = box DroppableStruct; + let _a = Whatever::new(box f as Box<dyn MyTrait>); + } + assert!(unsafe { DROPPED }); + unsafe { DROPPED = false; } + { + let f: Box<_> = box DroppableEnum::DroppableVariant1; + let _a = Whatever::new(box f as Box<dyn MyTrait>); + } + assert!(unsafe { DROPPED }); +} |