爱特每羊队
144 lines
3.0 KiB
Rust
144 lines
3.0 KiB
Rust
use std::time::Instant;
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use oxide_types::mem::{Epoch, PersistentHeap};
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#[test]
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fn epoch_alloc_and_read() {
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let epoch = Epoch::new();
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let ptr = epoch.alloc(42i32);
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assert_eq!(unsafe { *ptr }, 42);
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}
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#[test]
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fn epoch_alloc_and_write() {
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let epoch = Epoch::new();
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let ptr = epoch.alloc(0i32);
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unsafe {
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*ptr = 99;
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assert_eq!(*ptr, 99);
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}
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}
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#[test]
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fn epoch_reset_increments_id() {
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let mut epoch = Epoch::new();
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assert_eq!(epoch.current_id(), 0);
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epoch.reset();
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assert_eq!(epoch.current_id(), 1);
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epoch.reset();
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assert_eq!(epoch.current_id(), 2);
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}
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#[test]
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fn epoch_benchmark_1m_allocations() {
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let epoch = Epoch::new();
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let start = Instant::now();
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for i in 0..1_000_000u64 {
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let ptr = epoch.alloc(i);
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unsafe {
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assert_eq!(*ptr, i);
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}
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}
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let elapsed = start.elapsed();
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if cfg!(debug_assertions) {
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println!(
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"1M allocations took {}ms (debug build - skipping timing assertion)",
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elapsed.as_millis()
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);
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} else {
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assert!(
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elapsed.as_millis() < 200,
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"1M allocations took {}ms, expected <200ms",
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elapsed.as_millis()
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);
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}
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}
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#[test]
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fn persistent_promote_and_deref() {
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let heap = PersistentHeap::new();
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let p = heap.promote(42i32);
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assert_eq!(*p, 42);
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}
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#[test]
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fn persistent_promote_survives_epoch_reset() {
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let heap = PersistentHeap::new();
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let mut epoch = Epoch::new();
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let p = heap.promote(100i32);
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epoch.reset();
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assert_eq!(*p, 100);
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}
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#[test]
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fn persistent_clone_shares_data() {
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let heap = PersistentHeap::new();
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let a = heap.promote(42i32);
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let b = a.clone();
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assert_eq!(*a, 42);
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assert_eq!(*b, 42);
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let a_ptr = &*a as *const i32;
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let b_ptr = &*b as *const i32;
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assert_eq!(a_ptr, b_ptr, "cloned P<T> should point to same data");
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}
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#[test]
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fn persistent_promote_custom_type() {
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#[derive(Debug, PartialEq)]
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struct Data {
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name: String,
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value: i32,
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}
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let heap = PersistentHeap::new();
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let p = heap.promote(Data {
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name: "test".to_string(),
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value: 42,
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});
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assert_eq!(p.name, "test");
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assert_eq!(p.value, 42);
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}
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#[test]
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fn persistent_debug_format() {
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let heap = PersistentHeap::new();
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let p = heap.promote(42i32);
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assert_eq!(format!("{:?}", p), "P(42)");
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}
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#[test]
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fn persistent_display_format() {
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let heap = PersistentHeap::new();
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let p = heap.promote(42i32);
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assert_eq!(format!("{}", p), "42");
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}
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#[test]
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fn epoch_default_creates_valid() {
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let epoch = Epoch::default();
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assert_eq!(epoch.current_id(), 0);
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let ptr = epoch.alloc(7i32);
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assert_eq!(unsafe { *ptr }, 7);
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}
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#[test]
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fn persistent_heap_default() {
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let heap = PersistentHeap;
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let p = heap.promote("hello");
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assert_eq!(*p, "hello");
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}
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#[test]
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fn epoch_alloc_with_closure() {
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let epoch = Epoch::new();
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let ptr = epoch.alloc_with(|| 99i32);
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assert_eq!(unsafe { *ptr }, 99);
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}
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