bjoernager/rust
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add test for concurrent env var access

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This commit is contained in:
Ralf Jung 2024-04-26 19:44:38 +02:00
parent d7c89cfbf8
commit 26af88aced
1 changed files with 8 additions and 0 deletions
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8
src/tools/miri/tests/pass/shims/env/var.rs vendored
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@ -1,4 +1,5 @@
use std::env; use std::env;
use std::thread;
fn main() { fn main() {
// Test that miri environment is isolated when communication is disabled. // Test that miri environment is isolated when communication is disabled.
@ -23,4 +24,11 @@ fn main() {
env::remove_var("MIRI_TEST"); env::remove_var("MIRI_TEST");
assert_eq!(env::var("MIRI_TEST"), Err(env::VarError::NotPresent)); assert_eq!(env::var("MIRI_TEST"), Err(env::VarError::NotPresent));
println!("{:#?}", env::vars().collect::<Vec<_>>()); println!("{:#?}", env::vars().collect::<Vec<_>>());
// Do things concurrently, to make sure there's no data race.
let t = thread::spawn(|| {
env::set_var("MIRI_TEST", "42");
});
env::set_var("MIRI_TEST", "42");
t.join().unwrap();
} }