| <!doctype html> |
| <title>Selection Document.open() tests</title> |
| <div id=log></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| "use strict"; |
| |
| const iframe = document.createElement("iframe"); |
| async_test(t => { |
| iframe.onload = t.step_func_done(() => { |
| const originalSelection = iframe.contentWindow.getSelection(); |
| assert_equals(originalSelection.rangeCount, 0, "rangeCount must initially be 0"); |
| iframe.contentDocument.body.appendChild(iframe.contentDocument.createTextNode("foo")); |
| const range = iframe.contentDocument.createRange(); |
| range.selectNodeContents(iframe.contentDocument.body); |
| iframe.contentWindow.getSelection().addRange(range); |
| assert_equals(originalSelection.rangeCount, 1, "rangeCount must be 1 after adding a range"); |
| |
| iframe.contentDocument.open(); |
| |
| assert_equals(iframe.contentWindow.getSelection(), originalSelection, "After document.open(), the Selection object must be the same"); |
| assert_equals(iframe.contentWindow.getSelection().rangeCount, 1, "After document.open(), rangeCount must still be 1"); |
| document.body.removeChild(iframe); |
| }); |
| document.body.appendChild(iframe); |
| }, "Selection must not be replaced with a new object after document.open()"); |
| </script> |
