| <!doctype html> | |
| <title>null ports</title> | |
| <script src="/resources/testharness.js"></script> | |
| <script src="/resources/testharnessreport.js"></script> | |
| <div id=log></div> | |
| <script> | |
| test(function(t) { | |
| assert_throws_js(TypeError, () => postMessage('', '*', null)); | |
| }); | |
| </script> | |