diff options
Diffstat (limited to 'src/test/ui/allocator/xcrate-use2.rs')
-rw-r--r-- | src/test/ui/allocator/xcrate-use2.rs | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/test/ui/allocator/xcrate-use2.rs b/src/test/ui/allocator/xcrate-use2.rs deleted file mode 100644 index d8478fb5e..000000000 --- a/src/test/ui/allocator/xcrate-use2.rs +++ /dev/null @@ -1,47 +0,0 @@ -// run-pass - -// aux-build:custom.rs -// aux-build:custom-as-global.rs -// aux-build:helper.rs -// no-prefer-dynamic - -#![feature(allocator_api)] - -extern crate custom; -extern crate custom_as_global; -extern crate helper; - -use std::alloc::{alloc, dealloc, GlobalAlloc, System, Layout}; -use std::sync::atomic::{AtomicUsize, Ordering}; - -static GLOBAL: custom::A = custom::A(AtomicUsize::new(0)); - -fn main() { - unsafe { - let n = custom_as_global::get(); - let layout = Layout::from_size_align(4, 2).unwrap(); - - // Global allocator routes to the `custom_as_global` global - let ptr = alloc(layout.clone()); - helper::work_with(&ptr); - assert_eq!(custom_as_global::get(), n + 1); - dealloc(ptr, layout.clone()); - assert_eq!(custom_as_global::get(), n + 2); - - // Usage of the system allocator avoids all globals - let ptr = System.alloc(layout.clone()); - helper::work_with(&ptr); - assert_eq!(custom_as_global::get(), n + 2); - System.dealloc(ptr, layout.clone()); - assert_eq!(custom_as_global::get(), n + 2); - - // Usage of our personal allocator doesn't affect other instances - let ptr = GLOBAL.alloc(layout.clone()); - helper::work_with(&ptr); - assert_eq!(custom_as_global::get(), n + 2); - assert_eq!(GLOBAL.0.load(Ordering::SeqCst), 1); - GLOBAL.dealloc(ptr, layout); - assert_eq!(custom_as_global::get(), n + 2); - assert_eq!(GLOBAL.0.load(Ordering::SeqCst), 2); - } -} |