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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /src/test/ui/allocator/custom.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'src/test/ui/allocator/custom.rs')
| -rw-r--r-- | src/test/ui/allocator/custom.rs | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/test/ui/allocator/custom.rs b/src/test/ui/allocator/custom.rs deleted file mode 100644 index 10cbc23c427..00000000000 --- a/src/test/ui/allocator/custom.rs +++ /dev/null @@ -1,59 +0,0 @@ -// run-pass - -// aux-build:helper.rs -// no-prefer-dynamic - -#![feature(allocator_api)] -#![feature(slice_ptr_get)] - -extern crate helper; - -use std::alloc::{self, Allocator, Global, Layout, System}; -use std::sync::atomic::{AtomicUsize, Ordering}; - -static HITS: AtomicUsize = AtomicUsize::new(0); - -struct A; - -unsafe impl alloc::GlobalAlloc for A { - unsafe fn alloc(&self, layout: Layout) -> *mut u8 { - HITS.fetch_add(1, Ordering::SeqCst); - alloc::GlobalAlloc::alloc(&System, layout) - } - - unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { - HITS.fetch_add(1, Ordering::SeqCst); - alloc::GlobalAlloc::dealloc(&System, ptr, layout) - } -} - -#[global_allocator] -static GLOBAL: A = A; - -fn main() { - println!("hello!"); - - let n = HITS.load(Ordering::SeqCst); - assert!(n > 0); - unsafe { - let layout = Layout::from_size_align(4, 2).unwrap(); - - let memory = Global.allocate(layout.clone()).unwrap(); - helper::work_with(&memory); - assert_eq!(HITS.load(Ordering::SeqCst), n + 1); - Global.deallocate(memory.as_non_null_ptr(), layout); - assert_eq!(HITS.load(Ordering::SeqCst), n + 2); - - let s = String::with_capacity(10); - helper::work_with(&s); - assert_eq!(HITS.load(Ordering::SeqCst), n + 3); - drop(s); - assert_eq!(HITS.load(Ordering::SeqCst), n + 4); - - let memory = System.allocate(layout.clone()).unwrap(); - helper::work_with(&memory); - assert_eq!(HITS.load(Ordering::SeqCst), n + 4); - System.deallocate(memory.as_non_null_ptr(), layout); - assert_eq!(HITS.load(Ordering::SeqCst), n + 4); - } -} |
