diff options
Diffstat (limited to 'vendor/tracing-subscriber-0.3.3/tests/duplicate_spans.rs')
-rw-r--r-- | vendor/tracing-subscriber-0.3.3/tests/duplicate_spans.rs | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/tracing-subscriber-0.3.3/tests/duplicate_spans.rs b/vendor/tracing-subscriber-0.3.3/tests/duplicate_spans.rs new file mode 100644 index 000000000..c4a736f74 --- /dev/null +++ b/vendor/tracing-subscriber-0.3.3/tests/duplicate_spans.rs @@ -0,0 +1,48 @@ +#![cfg(all(feature = "env-filter", feature = "fmt"))] +mod support; +use tracing::{self, subscriber::with_default, Span}; +use tracing_subscriber::{filter::EnvFilter, FmtSubscriber}; + +#[test] +fn duplicate_spans() { + let subscriber = FmtSubscriber::builder() + .with_env_filter(EnvFilter::new("[root]=debug")) + .finish(); + + with_default(subscriber, || { + let root = tracing::debug_span!("root"); + root.in_scope(|| { + // root: + assert_eq!(root, Span::current(), "Current span must be 'root'"); + let leaf = tracing::debug_span!("leaf"); + leaf.in_scope(|| { + // root:leaf: + assert_eq!(leaf, Span::current(), "Current span must be 'leaf'"); + root.in_scope(|| { + // root:leaf: + assert_eq!( + leaf, + Span::current(), + "Current span must be 'leaf' after entering twice the 'root' span" + ); + }) + }); + // root: + assert_eq!( + root, + Span::current(), + "Current span must be root ('leaf' exited, nested 'root' exited)" + ); + + root.in_scope(|| { + assert_eq!(root, Span::current(), "Current span must be root"); + }); + // root: + assert_eq!( + root, + Span::current(), + "Current span must still be root after exiting nested 'root'" + ); + }); + }); +} |