1use super::*;
2use tracing_mock::layer::MockLayer;
3use tracing_subscriber::{filter, prelude::*, Layer};
4
5fn layer() -> (MockLayer, subscriber::MockHandle) {
6 layer::mock().only().run_with_handle()
7}
8
9fn filter<S>() -> filter::DynFilterFn<S> {
10 // Use dynamic filter fn to disable interest caching and max-level hints,
11 // allowing us to put all of these tests in the same file.
12 filter::dynamic_filter_fn(|_, _| false)
13}
14
15/// reproduces https://github.com/tokio-rs/tracing/issues/1563#issuecomment-921363629
16#[test]
17fn box_works() {
18 let (layer, handle) = layer();
19 let layer = Box::new(layer.with_filter(filter()));
20
21 let _guard = tracing_subscriber::registry().with(layer).set_default();
22
23 for i in 0..2 {
24 tracing::info!(i);
25 }
26
27 handle.assert_finished();
28}
29
30/// the same as `box_works` but with a type-erased `Box`.
31#[test]
32fn dyn_box_works() {
33 let (layer, handle) = layer();
34 let layer: Box<dyn Layer<_> + Send + Sync + 'static> = Box::new(layer.with_filter(filter()));
35
36 let _guard = tracing_subscriber::registry().with(layer).set_default();
37
38 for i in 0..2 {
39 tracing::info!(i);
40 }
41
42 handle.assert_finished();
43}
44