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https://github.com/rust-lang/rust
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32 lines
629 B
Rust
32 lines
629 B
Rust
//@ run-pass
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#![allow(unused_variables)]
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#![allow(stable_features)]
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// test that ordinary fat pointer operations work.
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#![feature(braced_empty_structs)]
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#![feature(rustc_attrs)]
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use std::sync::atomic;
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use std::sync::atomic::Ordering::SeqCst;
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static COUNTER: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
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struct DropMe {
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}
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impl Drop for DropMe {
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fn drop(&mut self) {
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COUNTER.fetch_add(1, SeqCst);
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}
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}
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fn fat_ptr_move_then_drop(a: Box<[DropMe]>) {
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let b = a;
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}
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fn main() {
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let a: Box<[DropMe]> = Box::new([DropMe { }]);
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fat_ptr_move_then_drop(a);
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assert_eq!(COUNTER.load(SeqCst), 1);
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}
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