| description("Test to check if setBaseAndExtent guard node with null owner document (Bug 31680)"); |
| |
| function makeEditableDocument(id) |
| { |
| var iframe = document.createElement("iframe"); |
| document.body.appendChild(iframe); |
| var doc = iframe.contentDocument; |
| doc.body.innerHTML = "<html><body><div id='" + id + "' contentEditable>Editable Block for " + id + ".</div></body></html>"; |
| return doc; |
| } |
| |
| var foreignDoc = makeEditableDocument("target"); |
| var foreignElement = foreignDoc.getElementById("target"); |
| var foreignText = foreignElement.firstChild; |
| var foreignSel = foreignDoc.getSelection(); |
| |
| var mainElement = document.createElement("div"); |
| mainElement.contentEditable = true; |
| mainElement.innerHTML = "Main Text"; |
| document.body.appendChild(mainElement); |
| var mainSel = window.getSelection(); |
| |
| function clear() |
| { |
| foreignSel.setBaseAndExtent(null, 0, null, 0); |
| mainSel.setBaseAndExtent(null, 0, null, 0); |
| } |
| |
| mainSel.setBaseAndExtent(foreignElement, 0, foreignElement, 0); |
| shouldBeNull("foreignSel.anchorNode"); |
| shouldBeNull("mainSel.anchorNode"); |
| |
| clear(); |
| mainSel.collapse(foreignElement, 0); |
| shouldBeNull("foreignSel.anchorNode"); |
| shouldBeNull("mainSel.anchorNode"); |
| |
| clear(); |
| // An element in a different root should not throw. |
| mainSel.extend(foreignElement, 1); |
| shouldBeNull("foreignSel.anchorNode"); |
| shouldBeNull("mainSel.anchorNode"); |
| |
| clear(); |
| mainSel.selectAllChildren(foreignElement, 1); |
| shouldBeNull("foreignSel.anchorNode"); |
| shouldBeNull("mainSel.anchorNode"); |
| |
| clear(); |
| mainSel.collapse(foreignElement, 0); |
| shouldBeNull("foreignSel.anchorNode"); |
| shouldBeNull("mainSel.anchorNode"); |
| |
| // Should not allow elements which come from another document. |
| clear(); |
| mainSel.setBaseAndExtent(mainElement, 0, foreignElement, 0); |
| shouldBeNull("foreignSel.anchorNode"); |
| shouldBeNull("mainSel.anchorNode"); |
| |
| var successfullyParsed = true; |
