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#![cfg(feature = "std")]
mod common;
use common::*;
use tracing_core::dispatcher::*;
#[test]
fn set_default_dispatch() {
set_global_default(Dispatch::new(TestSubscriberA)).expect("global dispatch set failed");
get_default(|current| {
assert!(
current.is::<TestSubscriberA>(),
"global dispatch get failed"
)
});
let guard = set_default(&Dispatch::new(TestSubscriberB));
get_default(|current| assert!(current.is::<TestSubscriberB>(), "set_default get failed"));
// Drop the guard, setting the dispatch back to the global dispatch
drop(guard);
get_default(|current| {
assert!(
current.is::<TestSubscriberA>(),
"global dispatch get failed"
)
});
}
#[test]
fn nested_set_default() {
let _guard = set_default(&Dispatch::new(TestSubscriberA));
get_default(|current| {
assert!(
current.is::<TestSubscriberA>(),
"set_default for outer subscriber failed"
)
});
let inner_guard = set_default(&Dispatch::new(TestSubscriberB));
get_default(|current| {
assert!(
current.is::<TestSubscriberB>(),
"set_default inner subscriber failed"
)
});
drop(inner_guard);
get_default(|current| {
assert!(
current.is::<TestSubscriberA>(),
"set_default outer subscriber failed"
)
});
}