Add test for async

Cargo.toml

@@ -136,3 +136,7 @@ required-features = ["serialize"]
 [[test]]
 name = "serde-migrated"
 required-features = ["serialize"]
+
+[[test]]
+name = "async_test"
+required-features = ["async"]

tests/async_test.rs

@@ -0,0 +1,43 @@
+use std::path::PathBuf;
+
+use quick_xml::events::Event::*;
+use quick_xml::Reader;
+
+#[tokio::test]
+async fn test_sample() {
+    let src: &[u8] = include_bytes!("documents/sample_rss.xml");
+    let mut reader = Reader::from_async_reader(src);
+    let mut buf = Vec::new();
+    let mut count = 0;
+    loop {
+        match reader.read_event_into_async(&mut buf).await.unwrap() {
+            Start(_) => count += 1,
+            Decl(e) => println!("{:?}", e.version()),
+            Eof => break,
+            _ => (),
+        }
+        buf.clear();
+    }
+    println!("{}", count);
+}
+
+#[cfg(feature = "async-fs")]
+#[tokio::test]
+async fn test_read_file() {
+    let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let mut reader = Reader::from_file_async(path.join("tests/documents/sample_rss.xml"))
+        .await
+        .unwrap();
+    let mut buf = Vec::new();
+    let mut count = 0;
+    loop {
+        match reader.read_event_into_async(&mut buf).await.unwrap() {
+            Start(_) => count += 1,
+            Decl(e) => println!("{:?}", e.version()),
+            Eof => break,
+            _ => (),
+        }
+        buf.clear();
+    }
+    println!("{}", count);
+}