| <!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"; |
| |
| // This tests the HTML spec requirement "Replace the Document's singleton |
| // objects with new instances of those objects. (This includes in particular |
| // the Window, Location, History, ApplicationCache, and Navigator, objects, the |
| // various BarProp objects, the two Storage objects, the various HTMLCollection |
| // objects, and objects defined by other specifications, like Selection and the |
| // document's UndoManager. It also includes all the Web IDL prototypes in the |
| // JavaScript binding, including the Document object's prototype.)" in the |
| // document.open() algorithm. |
| |
| var iframe = document.createElement("iframe"); |
| var t = async_test("Selection must be replaced with a new object after document.open()"); |
| iframe.onload = function() { |
| t.step(function() { |
| var originalSelection = iframe.contentWindow.getSelection(); |
| assert_equals(originalSelection.rangeCount, 0, |
| "Sanity check: rangeCount must be initially 0"); |
| iframe.contentDocument.body.appendChild( |
| iframe.contentDocument.createTextNode("foo")); |
| var range = iframe.contentDocument.createRange(); |
| range.selectNodeContents(iframe.contentDocument.body); |
| iframe.contentWindow.getSelection().addRange(range); |
| assert_equals(originalSelection.rangeCount, 1, |
| "Sanity check: rangeCount must be 1 after adding a range"); |
| |
| iframe.contentDocument.open(); |
| |
| assert_not_equals(iframe.contentWindow.getSelection(), originalSelection, |
| "After document.open(), the Selection object must no longer be the same"); |
| assert_equals(iframe.contentWindow.getSelection().rangeCount, 0, |
| "After document.open(), rangeCount must be 0 again"); |
| }); |
| t.done(); |
| document.body.removeChild(iframe); |
| }; |
| document.body.appendChild(iframe); |
| </script> |