1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/websockets/Close-reason-unpaired-surrogates.htm b/testing/web-platform/tests/websockets/Close-reason-unpaired-surrogates.htm
new file mode 100644
index 000000000..9ad8d618c
--- /dev/null
+++ b/testing/web-platform/tests/websockets/Close-reason-unpaired-surrogates.htm
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>W3C WebSocket API - Close WebSocket - Reason with unpaired surrogates</title>
+    <script type="text/javascript" src="/resources/testharness.js"></script>
+    <script type="text/javascript" src="/resources/testharnessreport.js"></script>
+    <script type="text/javascript" src="websocket.sub.js"></script>
+</head>
+<body>
+    <div id="log"></div>
+    <script type="text/javascript">
+
+        var testOpen = async_test("W3C WebSocket API - Create WebSocket - Close the Connection - close(reason with unpaired surrogates) - connection should get opened");
+        var testClose = async_test("W3C WebSocket API - Create WebSocket - Close the Connection - close(reason with unpaired surrogates) - connection should get closed");
+
+        var wsocket = CreateWebSocket(false, false, false);
+        var isOpenCalled = false;
+        var replacementChar = "\uFFFD";
+        var reason = "\uD807";
+
+        wsocket.addEventListener('open', testOpen.step_func(function (evt) {
+            wsocket.close(1000, reason);
+            isOpenCalled = true;
+            testOpen.done();
+        }), true);
+
+        wsocket.addEventListener('close', testClose.step_func(function (evt) {
+            assert_true(isOpenCalled, "WebSocket connection should be opened");
+            assert_equals(evt.reason, replacementChar, "reason replaced with replacement character");
+            testClose.done();
+        }), true);
+
+    </script>
+
+</body>
+</html>