27 lines
758 B
Rust
27 lines
758 B
Rust
// Reproduces https://github.com/hawkw/sharded-slab/issues/83
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use memory_stats::memory_stats;
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use sharded_slab::Config;
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use sharded_slab::Slab;
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struct CustomConfig;
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impl Config for CustomConfig {
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const RESERVED_BITS: usize = 1; // This is the cause.
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}
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#[test]
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fn reserved_bits_doesnt_leak() {
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let slab = Slab::new_with_config::<CustomConfig>();
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for n in 0..1000 {
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let mem_before = memory_stats().unwrap();
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let key = slab.insert(0).unwrap();
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slab.remove(key);
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let usage = memory_stats().unwrap();
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eprintln!(
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"n: {n:<4}\tkey: {key:#08x} rss: {:>16} vs:{:>16}",
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usage.physical_mem, usage.virtual_mem
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);
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assert_eq!(mem_before.virtual_mem, usage.virtual_mem);
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}
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}
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