}
fn main() {
- if cfg!(not(target_os = "macos")) {
- let map: HashMap<i32, i32> = HashMap::default();
- test_map(map);
- } else {
- // TODO: Implement random number generation on OS X.
+ if cfg!(target_os = "macos") { // TODO: Implement random number generation on OS X.
// Until then, use a deterministic map.
let map : HashMap<i32, i32, BuildHasherDefault<collections::hash_map::DefaultHasher>> = HashMap::default();
test_map(map);
+ } else {
+ let map: HashMap<i32, i32> = HashMap::default();
+ test_map(map);
}
}
-//ignore-windows: inspects allocation base address on Windows
-
#![feature(allocator_api)]
use std::ptr::NonNull;
use std::alloc::{Global, Alloc, Layout, System};
+use std::slice;
+
+fn check_alloc<T: Alloc>(mut allocator: T) { unsafe {
+ let layout = Layout::from_size_align(20, 4).unwrap();
+ let a = allocator.alloc(layout).unwrap();
+ allocator.dealloc(a, layout);
+
+ let p1 = allocator.alloc_zeroed(layout).unwrap();
+
+ let p2 = allocator.realloc(p1, Layout::from_size_align(20, 4).unwrap(), 40).unwrap();
+ let slice = slice::from_raw_parts(p2.as_ptr(), 20);
+ assert_eq!(&slice, &[0_u8; 20]);
+
+ // old size == new size
+ let p3 = allocator.realloc(p2, Layout::from_size_align(40, 4).unwrap(), 40).unwrap();
+ let slice = slice::from_raw_parts(p3.as_ptr(), 20);
+ assert_eq!(&slice, &[0_u8; 20]);
+
+ // old size > new size
+ let p4 = allocator.realloc(p3, Layout::from_size_align(40, 4).unwrap(), 10).unwrap();
+ let slice = slice::from_raw_parts(p4.as_ptr(), 10);
+ assert_eq!(&slice, &[0_u8; 10]);
+
+ allocator.dealloc(p4, Layout::from_size_align(10, 4).unwrap());
+} }
fn check_overalign_requests<T: Alloc>(mut allocator: T) {
let size = 8;
}
fn main() {
+ check_alloc(System);
+ check_alloc(Global);
+ #[cfg(not(target_os = "windows"))] // TODO: Inspects allocation base address on Windows; needs intptrcast model
check_overalign_requests(System);
check_overalign_requests(Global);
global_to_box();