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-rw-r--r--vendor/tracing-subscriber-0.3.3/tests/duplicate_spans.rs48
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'"
+ );
+ });
+ });
+}