jemallocator/tests/smoke.rs

43 lines
1001 B
Rust

extern crate jemallocator;
use jemallocator::Jemalloc;
use std::alloc::{GlobalAlloc, Layout};
#[global_allocator]
static A: Jemalloc = Jemalloc;
#[test]
fn smoke() {
let mut a = Vec::new();
a.push(3);
}
/// https://github.com/rust-lang/rust/issues/45955
#[test]
fn overaligned() {
let size = 8;
let align = 16; // greater than size
let iterations = 100;
unsafe {
let pointers: Vec<_> = (0..iterations)
.map(|_| {
let ptr = Jemalloc.alloc(Layout::from_size_align(size, align).unwrap());
assert!(!ptr.is_null());
ptr
})
.collect();
for &ptr in &pointers {
assert_eq!(
(ptr as usize) % align,
0,
"Got a pointer less aligned than requested"
)
}
// Clean up
for &ptr in &pointers {
Jemalloc.dealloc(ptr, Layout::from_size_align(size, align).unwrap())
}
}
}