19 lines
491 B
Rust
19 lines
491 B
Rust
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use std::ptr::NonNull;
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use std::mem::MaybeUninit;
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#[test]
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fn unitialized_zero_size_box() {
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assert_eq!(
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&*Box::<()>::new_uninit() as *const _,
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NonNull::<MaybeUninit<()>>::dangling().as_ptr(),
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);
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assert_eq!(
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Box::<[()]>::new_uninit_slice(4).as_ptr(),
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NonNull::<MaybeUninit<()>>::dangling().as_ptr(),
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);
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assert_eq!(
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Box::<[String]>::new_uninit_slice(0).as_ptr(),
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NonNull::<MaybeUninit<String>>::dangling().as_ptr(),
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);
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}
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