From 932080f14359a652ac7964cd4c43d74f9b06dd4c Mon Sep 17 00:00:00 2001 From: pjh456 <147148383@qq.com> Date: Tue, 15 Sep 2026 19:58:18 +0000 Subject: [PATCH] =?UTF-8?q?test:=20=E4=BB=A3=E7=A0=81=E7=BC=93=E5=AD=98?= =?UTF-8?q?=E5=8D=95=E6=B5=8B=E7=A7=BB=E5=85=A5=E9=9B=86=E6=88=90=E6=B5=8B?= =?UTF-8?q?=E8=AF=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- crates/oxide_code_cache/src/lib.rs | 98 ----------------- .../tests/code_forge_tests.rs | 102 ++++++++++++++++++ 2 files changed, 102 insertions(+), 98 deletions(-) create mode 100644 crates/oxide_code_cache/tests/code_forge_tests.rs diff --git a/crates/oxide_code_cache/src/lib.rs b/crates/oxide_code_cache/src/lib.rs index a5dc6ee9..0fd85c40 100644 --- a/crates/oxide_code_cache/src/lib.rs +++ b/crates/oxide_code_cache/src/lib.rs @@ -97,101 +97,3 @@ impl CodeForge { self.map.lock().unwrap().is_empty() } } - -#[cfg(test)] -mod tests { - use super::*; - - fn forge(capacity: usize) -> CodeForge { - CodeForge::new(NonZeroUsize::new(capacity).unwrap()) - } - - #[test] - fn cache_returns_same_arc_for_same_hash() { - let forge = forge(16); - let first = forge.insert(1, CompiledModule::new()); - let second = forge.get_or_insert_with(1, || Ok(CompiledModule::new())).expect("cache hit"); - - assert!(Arc::ptr_eq(&first, &second)); - } - - #[test] - fn cache_misses_for_different_hashes() { - let forge = forge(16); - let first = forge.insert(1, CompiledModule::new()); - let second = forge.insert(2, CompiledModule::new()); - - assert!(!Arc::ptr_eq(&first, &second)); - } - - #[test] - fn lru_eviction_enforces_cap() { - let forge = forge(2); - forge.insert(1, CompiledModule::new()); - forge.insert(2, CompiledModule::new()); - forge.insert(3, CompiledModule::new()); - - assert_eq!(forge.len(), 2); - assert!(forge.get(1).is_none()); - assert!(forge.get(2).is_some()); - assert!(forge.get(3).is_some()); - } - - #[test] - fn lru_eviction_evicts_least_recently_used() { - let forge = forge(3); - forge.insert(1, CompiledModule::new()); - forge.insert(2, CompiledModule::new()); - forge.insert(3, CompiledModule::new()); - - // 触碰键 1，使键 2 成为最久未使用条目。 - assert!(forge.get(1).is_some()); - forge.insert(4, CompiledModule::new()); - - assert!(forge.get(1).is_some()); - assert!(forge.get(2).is_none()); - assert!(forge.get(3).is_some()); - assert!(forge.get(4).is_some()); - } - - #[test] - fn len_never_exceeds_cap_under_many_distinct_inserts() { - let forge = forge(10); - for hash in 0..100 { - forge.insert(hash, CompiledModule::new()); - } - assert_eq!(forge.len(), 10); - } - - #[test] - #[cfg_attr(debug_assertions, should_panic(expected = "structural hash collision"))] - fn cache_hit_debug_verifies_bytecode() { - let forge = forge(16); - let mut m1 = CompiledModule::new(); - m1.bytecode = Arc::from(vec![1, 2, 3]); - forge.insert(42, m1); - let _ = forge - .get_or_insert_with(42, || { - let mut m = CompiledModule::new(); - m.bytecode = Arc::from(vec![4, 5, 6]); - Ok(m) - }) - .unwrap(); - } - - #[test] - fn cache_hit_returns_cached_not_recompiled() { - let forge = forge(16); - let mut m = CompiledModule::new(); - m.bytecode = Arc::from(vec![1, 2, 3]); - let cached = forge.insert(99, m); - let result = forge - .get_or_insert_with(99, || { - let mut m = CompiledModule::new(); - m.bytecode = Arc::from(vec![1, 2, 3]); - Ok(m) - }) - .unwrap(); - assert!(Arc::ptr_eq(&cached, &result)); - } -} diff --git a/crates/oxide_code_cache/tests/code_forge_tests.rs b/crates/oxide_code_cache/tests/code_forge_tests.rs new file mode 100644 index 00000000..9f5293e3 --- /dev/null +++ b/crates/oxide_code_cache/tests/code_forge_tests.rs @@ -0,0 +1,102 @@ +//! CodeForge LRU 缓存单测：命中共享、LRU 逐出与容量上限。 +//! +//! 只走 pub API（new/insert/get/get_or_insert_with/len）。 + +use std::num::NonZeroUsize; +use std::sync::Arc; + +use oxide_bytecode::CompiledModule; +use oxide_code_cache::CodeForge; + +fn forge(capacity: usize) -> CodeForge { + CodeForge::new(NonZeroUsize::new(capacity).unwrap()) +} + +#[test] +fn cache_returns_same_arc_for_same_hash() { + let forge = forge(16); + let first = forge.insert(1, CompiledModule::new()); + let second = forge.get_or_insert_with(1, || Ok(CompiledModule::new())).expect("cache hit"); + + assert!(Arc::ptr_eq(&first, &second)); +} + +#[test] +fn cache_misses_for_different_hashes() { + let forge = forge(16); + let first = forge.insert(1, CompiledModule::new()); + let second = forge.insert(2, CompiledModule::new()); + + assert!(!Arc::ptr_eq(&first, &second)); +} + +#[test] +fn lru_eviction_enforces_cap() { + let forge = forge(2); + forge.insert(1, CompiledModule::new()); + forge.insert(2, CompiledModule::new()); + forge.insert(3, CompiledModule::new()); + + assert_eq!(forge.len(), 2); + assert!(forge.get(1).is_none()); + assert!(forge.get(2).is_some()); + assert!(forge.get(3).is_some()); +} + +#[test] +fn lru_eviction_evicts_least_recently_used() { + let forge = forge(3); + forge.insert(1, CompiledModule::new()); + forge.insert(2, CompiledModule::new()); + forge.insert(3, CompiledModule::new()); + + // 触碰键 1，使键 2 成为最久未使用条目。 + assert!(forge.get(1).is_some()); + forge.insert(4, CompiledModule::new()); + + assert!(forge.get(1).is_some()); + assert!(forge.get(2).is_none()); + assert!(forge.get(3).is_some()); + assert!(forge.get(4).is_some()); +} + +#[test] +fn len_never_exceeds_cap_under_many_distinct_inserts() { + let forge = forge(10); + for hash in 0..100 { + forge.insert(hash, CompiledModule::new()); + } + assert_eq!(forge.len(), 10); +} + +#[test] +#[cfg_attr(debug_assertions, should_panic(expected = "structural hash collision"))] +fn cache_hit_debug_verifies_bytecode() { + let forge = forge(16); + let mut m1 = CompiledModule::new(); + m1.bytecode = Arc::from(vec![1, 2, 3]); + forge.insert(42, m1); + let _ = forge + .get_or_insert_with(42, || { + let mut m = CompiledModule::new(); + m.bytecode = Arc::from(vec![4, 5, 6]); + Ok(m) + }) + .unwrap(); +} + +#[test] +fn cache_hit_returns_cached_not_recompiled() { + let forge = forge(16); + let mut m = CompiledModule::new(); + m.bytecode = Arc::from(vec![1, 2, 3]); + let cached = forge.insert(99, m); + let result = forge + .get_or_insert_with(99, || { + let mut m = CompiledModule::new(); + m.bytecode = Arc::from(vec![1, 2, 3]); + Ok(m) + }) + .unwrap(); + assert!(Arc::ptr_eq(&cached, &result)); +}