1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/websockets/constructor/006.html b/testing/web-platform/tests/websockets/constructor/006.html
new file mode 100644
index 0000000000..59875830da
--- /dev/null
+++ b/testing/web-platform/tests/websockets/constructor/006.html
@@ -0,0 +1,29 @@
+<!doctype html>
+<title>WebSockets: converting first arguments</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=../constants.sub.js></script>
+<meta name="variant" content="?default">
+<meta name="variant" content="?wss">
+<meta name="variant" content="?wpt_flags=h2">
+<div id=log></div>
+<script>
+async_test(function(t) {
+  var a = document.createElement('a');
+  a.href = SCHEME_DOMAIN_PORT+'/echo';
+  var ws = new WebSocket(a); // should stringify arguments; <a> stringifies to its .href
+  assert_equals(ws.url, a.href);
+  ws.onopen = t.step_func(function(e) {
+    ws.send('test');
+  });
+  ws.onmessage = t.step_func(function(e) {
+    assert_equals(e.data, 'test');
+    ws.onclose = t.step_func(function(e) {
+      ws.onclose = t.unreached_func();
+      t.step_timeout(() => t.done(), 50);
+    });
+    ws.close();
+  });
+  ws.onerror = ws.onclose = t.unreached_func();
+});
+</script>