| <!DOCTYPE html> <!-- webkit-test-runner [ UndoManagerAPIEnabled=true ] --> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <script src="../../resources/ui-helper.js"></script> |
| <script> |
| function addUndoItem() |
| { |
| document.undoManager.addItem(new UndoItem({ |
| label: "mainframe", |
| undo: () => debug("** UNDO **"), |
| redo: () => debug("** REDO **") |
| })); |
| } |
| </script> |
| </head> |
| <body> |
| <p>This test verifies that <code>UndoManager.addItem()</code> can be used to add undo items to the platform undo stack.</p> |
| <iframe id="frame" srcdoc=" |
| <body> |
| <pre id='output'></pre> |
| </body> |
| <script> |
| function appendOutput(string) |
| { |
| if (output.textContent.length) |
| output.textContent += ', '; |
| output.textContent += string; |
| } |
| |
| function addUndoItem() |
| { |
| document.undoManager.addItem(new UndoItem({ |
| label: 'subframe', |
| undo: () => appendOutput('UNDO'), |
| redo: () => appendOutput('REDO') |
| })); |
| } |
| </script> |
| "></iframe> |
| <pre id='console'></pre> |
| </body> |
| <script> |
| jsTestIsAsync = true; |
| undoName = null; |
| redoName = null; |
| |
| if (window.testRunner) |
| testRunner.dumpChildFramesAsText(); |
| |
| addEventListener("load", async () => { |
| debug("After adding an undo item (mainframe):"); |
| addUndoItem(); |
| [undoName, redoName] = await UIHelper.undoAndRedoLabels(); |
| shouldBeEqualToString("undoName", "mainframe"); |
| shouldBeEqualToString("redoName", ""); |
| |
| debug("After performing undo (mainframe):"); |
| document.execCommand("undo"); |
| [undoName, redoName] = await UIHelper.undoAndRedoLabels(); |
| shouldBeEqualToString("undoName", ""); |
| shouldBeEqualToString("redoName", "mainframe"); |
| |
| debug("After performing redo (mainframe):"); |
| document.execCommand("redo"); |
| [undoName, redoName] = await UIHelper.undoAndRedoLabels(); |
| shouldBeEqualToString("undoName", "mainframe"); |
| shouldBeEqualToString("redoName", ""); |
| |
| const frameWindow = frame.contentWindow; |
| |
| debug("After adding an undo item (subframe):"); |
| frameWindow.addUndoItem(); |
| [undoName, redoName] = await UIHelper.undoAndRedoLabels(); |
| shouldBeEqualToString("undoName", "subframe"); |
| shouldBeEqualToString("redoName", ""); |
| |
| debug("After performing undo (subframe):"); |
| document.execCommand("undo"); |
| [undoName, redoName] = await UIHelper.undoAndRedoLabels(); |
| shouldBeEqualToString("undoName", "mainframe"); |
| shouldBeEqualToString("redoName", "subframe"); |
| |
| debug("After performing redo (subframe):"); |
| document.execCommand("redo"); |
| [undoName, redoName] = await UIHelper.undoAndRedoLabels(); |
| shouldBeEqualToString("undoName", "subframe"); |
| shouldBeEqualToString("redoName", ""); |
| |
| finishJSTest(); |
| }); |
| </script> |
| </html> |
