| <!DOCTYPE html> | |
| <title>The getRangeAt method</title> | |
| <div id=log></div> | |
| <script src=/resources/testharness.js></script> | |
| <script src=/resources/testharnessreport.js></script> | |
| <script> | |
| test(function() { | |
| var sel = getSelection(); | |
| var range = document.createRange(); | |
| sel.addRange(range); | |
| assert_throws_dom("INDEX_SIZE_ERR", function() { sel.getRangeAt(-1); }) | |
| assert_throws_dom("INDEX_SIZE_ERR", function() { sel.getRangeAt(1); }) | |
| }); | |
| </script> |