23 lines
547 B
Rust
23 lines
547 B
Rust
struct Bar(u16); // ZSTs are tested separately
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static mut DROP_COUNT: usize = 0;
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impl Drop for Bar {
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fn drop(&mut self) {
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assert_eq!(self.0 as usize, unsafe { DROP_COUNT }); // tests whether we are called at a valid address
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unsafe { DROP_COUNT += 1; }
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}
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}
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fn main() {
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let b = [Bar(0), Bar(1), Bar(2), Bar(3)];
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assert_eq!(unsafe { DROP_COUNT }, 0);
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drop(b);
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assert_eq!(unsafe { DROP_COUNT }, 4);
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// check empty case
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let b : [Bar; 0] = [];
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drop(b);
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assert_eq!(unsafe { DROP_COUNT }, 4);
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}
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