diff options
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); - } -}  | 
