1 files changed, 16 insertions, 0 deletions
diff --git a/third_party/rust/android_logger/tests/multiple_init.rs b/third_party/rust/android_logger/tests/multiple_init.rs
new file mode 100644
index 0000000000..26f815d521
--- /dev/null
+++ b/third_party/rust/android_logger/tests/multiple_init.rs
@@ -0,0 +1,16 @@
+extern crate android_logger;
+extern crate log;
+
+#[test]
+fn multiple_init() {
+    android_logger::init_once(
+        android_logger::Config::default().with_max_level(log::LevelFilter::Trace),
+    );
+
+    // Second initialization should be silently ignored
+    android_logger::init_once(
+        android_logger::Config::default().with_max_level(log::LevelFilter::Error),
+    );
+
+    assert_eq!(log::max_level(), log::LevelFilter::Trace);
+}