| <!doctype html> |
| <html> |
| <title>Selection extend() test thrown exceptions</title> |
| <meta charset=utf-8> |
| <body> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| "use strict"; |
| |
| test(function() { |
| let div = document.createElement("div"); |
| document.body.appendChild(div); |
| |
| assert_throws_dom("INVALID_STATE_ERR", function() { getSelection().extend(div) }, "InvalidStateError exception should be thrown for extend() due to no ranges being added to Selection"); |
| |
| this.add_cleanup(function() { div.remove() }); |
| }, "InvalidStateError exception is thrown for extend() when no ranges are present in Selection"); |
| </script> |
| </body> |
| </html> |
