| <!DOCTYPE html> <!-- webkit-test-runner [ internal:UndoManagerAPIEnabled=true ] --> |
| <html> |
| <meta charset="utf8"> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| addEventListener("load", () => { |
| description("Verifies that UndoManager.addItem() throws JavaScript exceptions. This test requires WebKitTestRunner."); |
| |
| item = new UndoItem({ label: '', undo: () => debug("Performed undo."), redo: () => debug("Performed redo.") }); |
| |
| const firstFrame = document.getElementById("one"); |
| firstFrameDocument = firstFrame.contentDocument; |
| firstFrame.remove(); |
| |
| secondFrameDocument = document.getElementById("two").contentDocument; |
| |
| shouldThrow("firstFrameDocument.undoManager.addItem(item)"); |
| shouldNotThrow("document.undoManager.addItem(item)"); |
| shouldThrow("secondFrameDocument.undoManager.addItem(item)"); |
| |
| document.execCommand("Undo"); |
| document.execCommand("Redo"); |
| }); |
| </script> |
| </head> |
| <body> |
| <iframe id="one" srcdoc="<body>One</body>"></iframe> |
| <iframe id="two" srcdoc="<body>Two</body>"></iframe> |
| </body> |
| </html> |
