jemallocator/tests/background_thread_defaults.rs

30 lines
951 B
Rust

//! Test background threads run-time default settings.
use tikv_jemallocator::Jemalloc;
#[global_allocator]
static A: Jemalloc = Jemalloc;
// Returns true if background threads are enabled.
fn background_threads() -> bool {
tikv_jemalloc_ctl::opt::background_thread::read().unwrap()
}
#[test]
fn background_threads_runtime_defaults() {
if !cfg!(feature = "background_threads_runtime_support") {
// If the crate was compiled without background thread support,
// then background threads are always disabled at run-time by default:
assert_eq!(background_threads(), false);
return;
}
if cfg!(feature = "background_threads") {
// The crate was compiled with background-threads enabled by default:
assert_eq!(background_threads(), true);
} else {
// The crate was compiled with background-threads disabled by default:
assert_eq!(background_threads(), false);
}
}