1 files changed, 65 insertions, 0 deletions
diff --git a/intl/l10n/rust/l10nregistry-rs/benches/preferences.rs b/intl/l10n/rust/l10nregistry-rs/benches/preferences.rs
new file mode 100644
index 0000000000..e4405c6537
--- /dev/null
+++ b/intl/l10n/rust/l10nregistry-rs/benches/preferences.rs
@@ -0,0 +1,65 @@
+use criterion::criterion_group;
+use criterion::criterion_main;
+use criterion::Criterion;
+
+use fluent_testing::get_scenarios;
+use l10nregistry::testing::TestFileFetcher;
+
+use unic_langid::LanguageIdentifier;
+
+fn preferences_bench(c: &mut Criterion) {
+    let fetcher = TestFileFetcher::new();
+
+    let mut group = c.benchmark_group("registry/scenarios");
+
+    for scenario in get_scenarios() {
+        let res_ids = scenario.res_ids.clone();
+
+        let locales: Vec<LanguageIdentifier> = scenario
+            .locales
+            .iter()
+            .map(|l| l.parse().unwrap())
+            .collect();
+
+        group.bench_function(format!("{}/sync/first_bundle", scenario.name), |b| {
+            b.iter(|| {
+                let reg = fetcher.get_registry(&scenario);
+                let mut bundles =
+                    reg.generate_bundles_sync(locales.clone().into_iter(), res_ids.clone());
+                for _ in 0..locales.len() {
+                    if bundles.next().is_some() {
+                        break;
+                    }
+                }
+            })
+        });
+
+        #[cfg(feature = "tokio")]
+        {
+            use futures::stream::StreamExt;
+
+            let rt = tokio::runtime::Runtime::new().unwrap();
+
+            group.bench_function(&format!("{}/async/first_bundle", scenario.name), |b| {
+                b.iter(|| {
+                    rt.block_on(async {
+                        let reg = fetcher.get_registry(&scenario);
+
+                        let mut bundles =
+                            reg.generate_bundles(locales.clone().into_iter(), res_ids.clone());
+                        for _ in 0..locales.len() {
+                            if bundles.next().await.is_some() {
+                                break;
+                            }
+                        }
+                    });
+                })
+            });
+        }
+    }
+
+    group.finish();
+}
+
+criterion_group!(benches, preferences_bench);
+criterion_main!(benches);