| <!DOCTYPE html> |
| <title></title> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="../../../resources/gesture-util.js"></script> |
| <div> |
| <input type="number" id="test" value="0"> |
| <input id="another"> |
| </div> |
| <script> |
| // Positive deltaX or deltaY means scroll right or down. |
| async function dispatchWheelEvent(element, deltaX, deltaY) |
| { |
| element_center = elementCenter(element); |
| await wheelTick(deltaX, deltaY, element_center); |
| } |
| |
| promise_test(async t => { |
| const input = document.getElementById('test'); |
| input.focus(); |
| |
| // Initial value is 0. We'll wheel up by 1 |
| await dispatchWheelEvent(input, 0, -1); |
| assert_equals(input.value, "1", "Wheel up increments value to 1."); |
| |
| // We change the selected value in ScrollBegin and the three wheel ticks |
| // are treated as a single stream with one ScrollBegin, so we increase or |
| // decrease by one value even though there is more than one wheel tick. |
| // Wheel up by 3: |
| await dispatchWheelEvent(input, 0, -3); |
| assert_equals(input.value, "2", "Larger delta still increments by 1."); |
| |
| // Wheel down by 1 |
| await dispatchWheelEvent(input, 0, 1); |
| assert_equals(input.value, "1", "Wheel down decrements value by 1."); |
| |
| // Wheel down by 3 |
| await dispatchWheelEvent(input, 0, 3); |
| assert_equals(input.value, "0", "Larger delta still decrements by 1."); |
| |
| // Disabled input element |
| input.disabled = true; |
| await dispatchWheelEvent(input, 0, -1); |
| assert_equals(input.value, "0", "Disabled element isn't changed."); |
| input.removeAttribute('disabled'); |
| |
| // Read-only input element |
| input.readOnly = true; |
| await dispatchWheelEvent(input, 0, -1); |
| assert_equals(input.value, "0", "Read only element isn't changed."); |
| input.readOnly = false; |
| |
| // No focus |
| document.getElementById('another').focus(); |
| await dispatchWheelEvent(input, 0, -1); |
| assert_equals(input.value, "0", "Unfocused element isn't changed."); |
| }, "Wheel operations for <input type='number'>"); |
| </script> |
