Added benchmark

Author: coder137

Cargo.toml

@@ -19,3 +19,8 @@ tokio = { version = "1", default-features = false, features = ["sync"] }
 
 [dev-dependencies]
 tokio = { version = "1", features = ["full"] }
+criterion = "0.5"
+
+[[bench]]
+name = "benchmark"
+harness = false

benches/benchmark.rs

@@ -0,0 +1,28 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+
+use ticked_async_executor::TickedAsyncExecutor;
+
+fn spawn_tasks_benchmark(c: &mut Criterion) {
+    c.bench_function("1 task", |b| {
+        b.iter_with_large_drop(|| {
+            let mut executor = TickedAsyncExecutor::default();
+            executor.spawn_local("empty", async move {}).detach();
+            executor.tick(0.1, None);
+            assert_eq!(executor.num_tasks(), 0);
+        });
+    });
+
+    c.bench_function("2 tasks", |b| {
+        b.iter_with_large_drop(|| {
+            let mut executor = TickedAsyncExecutor::default();
+            executor.spawn_local("empty1", async move {}).detach();
+            executor.spawn_local("empty2", async move {}).detach();
+
+            executor.tick(0.1, None);
+            assert_eq!(executor.num_tasks(), 0);
+        });
+    });
+}
+
+criterion_group!(benches, spawn_tasks_benchmark);
+criterion_main!(benches);