1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/access-control-basic-allow-async.any.js b/testing/web-platform/tests/xhr/access-control-basic-allow-async.any.js
new file mode 100644
index 0000000000..3f1ff3c2eb
--- /dev/null
+++ b/testing/web-platform/tests/xhr/access-control-basic-allow-async.any.js
@@ -0,0 +1,19 @@
+// META: title=Testing a basic asynchronous CORS XHR request.
+// META: script=/common/get-host-info.sub.js
+
+    async_test(function(test) {
+      const xhr = new XMLHttpRequest;
+
+      xhr.onreadystatechange = test.step_func(function() {
+        if (xhr.readyState == xhr.DONE) {
+          assert_equals(xhr.responseText, "PASS: Cross-domain access allowed.");
+          test.done();
+        }
+      });
+
+      xhr.onerror = test.unreached_func("FAIL: Network error.");
+
+      xhr.open("GET", get_host_info().HTTP_REMOTE_ORIGIN +
+          "/xhr/resources/access-control-basic-allow.py", true);
+      xhr.send();
+    }, "Basic async cross-origin XHR request");