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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /src/test/ui/allocator/xcrate-use2.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/allocator/xcrate-use2.rs')
-rw-r--r--src/test/ui/allocator/xcrate-use2.rs47
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);
- }
-}