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Diffstat (limited to '')
-rw-r--r-- | vendor/tracing/tests/no_subscriber.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/vendor/tracing/tests/no_subscriber.rs b/vendor/tracing/tests/no_subscriber.rs new file mode 100644 index 000000000..5f927c1de --- /dev/null +++ b/vendor/tracing/tests/no_subscriber.rs @@ -0,0 +1,15 @@ +#![cfg(feature = "std")] + +use tracing::subscriber::{self, NoSubscriber}; + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn no_subscriber_disables_global() { + // Reproduces https://github.com/tokio-rs/tracing/issues/1999 + let (subscriber, handle) = tracing_mock::subscriber::mock().done().run_with_handle(); + subscriber::set_global_default(subscriber).expect("setting global default must succeed"); + subscriber::with_default(NoSubscriber::default(), || { + tracing::info!("this should not be recorded"); + }); + handle.assert_finished(); +} |