vec.rs - Codebrowser

1	#![cfg(feature = "registry")]
2	use tracing::level_filters::LevelFilter;
3	use tracing::Subscriber;
4	use tracing_subscriber::prelude::*;
5
6	#[test]
7	fn just_empty_vec() {
8	// Just a None means everything is off
9	let subscriber = tracing_subscriber::registry().with(Vec::<LevelFilter>::new());
10	assert_eq!(subscriber.max_level_hint(), Some(LevelFilter::OFF));
11	}
12
13	#[test]
14	fn layer_and_empty_vec() {
15	let subscriber = tracing_subscriber::registry()
16	.with(LevelFilter::INFO)
17	.with(Vec::<LevelFilter>::new());
18	assert_eq!(subscriber.max_level_hint(), Some(LevelFilter::INFO));
19	}
20