1 files changed, 81 insertions, 0 deletions
diff --git a/tests/filters_dont_leak.rs b/tests/filters_dont_leak.rs
new file mode 100644
index 0000000..2ef1c9c
--- /dev/null
+++ b/tests/filters_dont_leak.rs
@@ -0,0 +1,81 @@
+#![cfg(feature = "std")]
+
+use tracing_mock::*;
+
+#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+#[test]
+fn spans_dont_leak() {
+    fn do_span() {
+        let span = tracing::debug_span!("alice");
+        let _e = span.enter();
+    }
+
+    let (subscriber, handle) = subscriber::mock()
+        .named("spans/subscriber1")
+        .with_filter(|_| false)
+        .done()
+        .run_with_handle();
+
+    let _guard = tracing::subscriber::set_default(subscriber);
+
+    do_span();
+
+    let alice = span::mock().named("alice");
+    let (subscriber2, handle2) = subscriber::mock()
+        .named("spans/subscriber2")
+        .with_filter(|_| true)
+        .new_span(alice.clone())
+        .enter(alice.clone())
+        .exit(alice.clone())
+        .drop_span(alice)
+        .done()
+        .run_with_handle();
+
+    tracing::subscriber::with_default(subscriber2, || {
+        println!("--- subscriber 2 is default ---");
+        do_span()
+    });
+
+    println!("--- subscriber 1 is default ---");
+    do_span();
+
+    handle.assert_finished();
+    handle2.assert_finished();
+}
+
+#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
+#[test]
+fn events_dont_leak() {
+    fn do_event() {
+        tracing::debug!("alice");
+    }
+
+    let (subscriber, handle) = subscriber::mock()
+        .named("events/subscriber1")
+        .with_filter(|_| false)
+        .done()
+        .run_with_handle();
+
+    let _guard = tracing::subscriber::set_default(subscriber);
+
+    do_event();
+
+    let (subscriber2, handle2) = subscriber::mock()
+        .named("events/subscriber2")
+        .with_filter(|_| true)
+        .event(event::mock())
+        .done()
+        .run_with_handle();
+
+    tracing::subscriber::with_default(subscriber2, || {
+        println!("--- subscriber 2 is default ---");
+        do_event()
+    });
+
+    println!("--- subscriber 1 is default ---");
+
+    do_event();
+
+    handle.assert_finished();
+    handle2.assert_finished();
+}