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Handle freed values in refcount tests

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Brian Carroll 2021-12-29 17:31:05 +00:00
parent 4d2e4d454b
commit 7aa3f77b3c
2 changed files with 32 additions and 5 deletions
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11
compiler/test_gen/src/helpers/wasm.rs
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@ -300,8 +300,15 @@ where
let mut refcounts = Vec::with_capacity(num_refcounts);
for i in 0..num_refcounts {
let rc_encoded = refcount_ptrs[i].get().deref(memory).unwrap().get();
let rc = (rc_encoded - i32::MIN + 1) as u32;
let rc_ptr = refcount_ptrs[i].get();
let rc = if rc_ptr.offset() == 0 {
// RC pointer has been set to null, which means the value has been freed.
// In tests, we simply represent this as zero refcount.
0
} else {
let rc_encoded = rc_ptr.deref(memory).unwrap().get();
(rc_encoded - i32::MIN + 1) as u32
};
refcounts.push(rc);
}
Ok(refcounts)