| <!DOCTYPE html> |
| <body> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| |
| <textarea id="textarea1">Drag me to the other textarea</textarea> |
| <textarea id="textarea2"></textarea> |
| |
| <script> |
| const textarea1 = document.getElementById('textarea1'); |
| const textarea2 = document.getElementById('textarea2'); |
| |
| function hoverOverElement(element) { |
| const offsetX = element.offsetLeft; |
| const offsetY = element.offsetTop; |
| |
| const centerX = offsetX + (element.offsetWidth / 2); |
| const centerY = offsetY + (element.offsetHeight / 2); |
| |
| eventSender.mouseMoveTo(centerX, centerY); |
| } |
| |
| function assertTextareasValues(expectedValueTextarea1, expectedValueTextarea2) { |
| assert_equals(textarea1.value, expectedValueTextarea1, "Wrong value for textarea1"); |
| assert_equals(textarea2.value, expectedValueTextarea2, "Wrong value for textarea2"); |
| } |
| |
| test(() => { |
| assert_own_property(window, 'eventSender', 'This test requires eventSender.'); |
| |
| // Make sure the initial values are correct |
| assertTextareasValues("Drag me to the other textarea", ""); |
| |
| // Select all the text in textarea1 |
| textarea1.select(); |
| |
| // Start dragging the text from textarea1 |
| hoverOverElement(textarea1); |
| eventSender.mouseDown(); |
| |
| // Leap the event time so that mouseMove will start a new drag instead of changing selection. |
| eventSender.leapForward(400); |
| |
| // Drop the text on textarea2 |
| hoverOverElement(textarea2); |
| eventSender.mouseUp(); |
| |
| // Make sure the text was dragged and the values were updated |
| assertTextareasValues("", "Drag me to the other textarea"); |
| |
| // Undo, and make sure the values were also reverted |
| document.execCommand('Undo'); |
| assertTextareasValues("Drag me to the other textarea", ""); |
| |
| }, "Undo after dragging text between elements should restore the values"); |
| </script> |
| </body> |
