1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/websockets/interfaces/WebSocket/constants/003.html b/testing/web-platform/tests/websockets/interfaces/WebSocket/constants/003.html
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index 0000000000..4a86af8b1c
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+++ b/testing/web-platform/tests/websockets/interfaces/WebSocket/constants/003.html
@@ -0,0 +1,22 @@
+<!doctype html>
+<title>WebSockets: deleting constants</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">
+<div id=log></div>
+<script>
+var constants = ['CONNECTING', 'OPEN', 'CLOSING', 'CLOSED'];
+for (var i = 0; i < constants.length; ++i) {
+  test(function(){
+    var ws = new WebSocket(SCHEME_DOMAIN_PORT+'/');
+    delete WebSocket[constants[i]]; // should be ignored, has { DontDelete }
+    delete WebSocket.prototype[constants[i]]; // should be ignored, has { DontDelete }
+    delete ws[constants[i]]; // should be ignored, there is no such property on the object
+    assert_equals(WebSocket[constants[i]], i, 'WebSocket.'+constants[i]);
+    assert_equals(WebSocket.prototype[constants[i]], i, 'WebSocket.prototype.'+constants[i]);
+    assert_equals(ws[constants[i]], i, 'ws.'+constants[i]);
+  })
+};
+</script>