File: usable_size.rs

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rust-tikv-jemallocator 0.6.0-2
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use tikv_jemallocator::Jemalloc;

#[global_allocator]
static A: Jemalloc = Jemalloc;

#[test]
fn smoke() {
    let a = Box::new(3_u32);
    assert!(unsafe { tikv_jemallocator::usable_size(&*a) } >= 4);
}