1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/infrastructure/server/webtransport-h3.https.sub.any.js b/testing/web-platform/tests/infrastructure/server/webtransport-h3.https.sub.any.js
new file mode 100644
index 0000000000..1a0c10031d
--- /dev/null
+++ b/testing/web-platform/tests/infrastructure/server/webtransport-h3.https.sub.any.js
@@ -0,0 +1,26 @@
+// META: global=window,worker
+// META: script=/common/get-host-info.sub.js
+
+const HOST = get_host_info().ORIGINAL_HOST;
+const PORT = '{{ports[webtransport-h3][0]}}';
+const BASE = `https://${HOST}:${PORT}`;
+
+promise_test(async t => {
+    const wt = new WebTransport(`${BASE}/webtransport/handlers/echo.py`);
+    // When a connection fails `closed` attribute will be rejected.
+    wt.closed.catch((error) => {
+        t.unreached_func(`The 'closed' attribute should not be rejected: ${error}`);
+    });
+    await wt.ready;
+
+    const stream = await wt.createBidirectionalStream();
+
+    const writer = stream.writable.getWriter();
+    await writer.write(new Uint8Array([42]));
+    writer.releaseLock();
+
+    const reader = stream.readable.getReader();
+    const { value } = await reader.read();
+
+    assert_equals(value[0], 42);
+}, "WebTransport server should be running and should handle a bidirectional stream");