| <!DOCTYPE html> |
| <title>Tests mouse interactions on a non-custom composited div scrollbar thumb.</title> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="../../../resources/gesture-util.js"></script> |
| <script src="../../../resources/scrollbar-util.js"></script> |
| <style> |
| .appearance { |
| width: 100px; |
| height: 100px; |
| overflow: scroll; |
| border: 1px solid black; |
| } |
| .standardLocation { |
| position: absolute; |
| top: 100px; |
| left: 100px; |
| } |
| .space { |
| height: 1000px; |
| width: 1000px; |
| } |
| </style> |
| |
| <!-- Composited non-custom scroller --> |
| <div id="standard" class="appearance standardLocation"> |
| <div class="space"></div> |
| </div> |
| |
| <script> |
| if (window.internals) |
| internals.settings.setScrollAnimatorEnabled(false); |
| |
| let platform = navigator.userAgent.includes("Linux") ? "linux" : |
| navigator.userAgent.includes("Windows") ? "win" : |
| navigator.userAgent.includes("Mac OS X") ? "mac" : |
| (() => { throw "Platform unsupported. See crbug.com/953847"; })(); |
| |
| window.onload = () => { |
| const standardDivFast = document.getElementById("standard"); |
| const standardRectFast = standardDivFast.getBoundingClientRect(); |
| |
| const TRACK_WIDTH = calculateScrollbarThickness(); |
| const BUTTON_WIDTH = TRACK_WIDTH; |
| const SCROLL_CORNER = TRACK_WIDTH; |
| const SCROLL_DELTA = 50; |
| |
| promise_test (async () => { |
| await waitForCompositorCommit(); |
| resetScrollOffset(standardDivFast); |
| |
| // Testing the vertical scrollbar thumb. |
| let x = standardRectFast.right - TRACK_WIDTH / 2; |
| let y = standardRectFast.top + (platform == "mac" ? 0 : BUTTON_WIDTH) + 2; |
| |
| await mouseMoveTo(x, y); |
| await mouseDownAt(x, y); |
| assert_equals(standardDivFast.scrollTop, 0, "Mousedown on vertical scrollbar thumb is not expected to scroll."); |
| |
| await mouseMoveTo(x, y-10); |
| assert_equals(standardDivFast.scrollTop, 0, "Vertical thumb drag beyond the track should not cause a scroll."); |
| |
| await mouseMoveTo(x, y); |
| assert_equals(standardDivFast.scrollTop, 0, "Vertical thumb drag beyond the track and back should not cause a scroll."); |
| |
| await mouseUpAt(x, y); |
| }, "Test thumb drags beyond scrollbar track."); |
| |
| promise_test (async () => { |
| await waitForCompositorCommit(); |
| resetScrollOffset(standardDivFast); |
| |
| // Testing the vertical scrollbar thumb. |
| let x = standardRectFast.right - TRACK_WIDTH / 2; |
| let y = standardRectFast.top + (platform == "mac" ? 0 : BUTTON_WIDTH) + 2; |
| let asc_increments = [15, 10, 7, 6, 2]; |
| let asc_offsets = {linux: [549, 915, 915, 915, 915], win: [361, 601, 770, 915, 915], mac: [211, 351, 450, 534, 563]}[platform]; |
| let desc_increments = [3, 2, 5, 9, 21]; |
| let desc_offsets = {linux: [915, 915, 915, 768, 0], win: [890, 842, 722, 505, 0], mac: [520, 492, 422, 295, 0]}[platform]; |
| |
| await mouseMoveTo(x, y); |
| await mouseDownAt(x, y); |
| |
| // Scroll down |
| for (var i = 0; i < 5; i++){ |
| y += asc_increments[i]; |
| await mouseMoveTo(x, y); |
| // TODO(crbug.com/1009892): Sometimes there is 1px difference in threaded scrollbar scrolling mode. |
| // Change assert_approx_equals(..., 1, ...) to assert_equals(...) when the bug is fixed. |
| assert_approx_equals(standardDivFast.scrollTop, asc_offsets[i], 1, "Vertical thumb drag downwards did not scroll as expected at "+asc_increments[i]+" - "); |
| }; |
| |
| // Scroll up |
| for (var i = 0; i < 5; i++){ |
| y -= desc_increments[i]; |
| await mouseMoveTo(x, y); |
| // TODO(crbug.com/1009892): Ditto. |
| assert_approx_equals(standardDivFast.scrollTop, desc_offsets[i], 1, "Vertical thumb drag upwards did not scroll as expected at "+desc_increments[i]+" - "); |
| }; |
| |
| await mouseUpAt(x, y); |
| assert_equals(standardDivFast.scrollTop, 0, "Mouseup on vertical scrollbar thumb is not expected to scroll."); |
| |
| // Since the horizontal scrolling is essentially the same codepath as vertical, |
| // this need not be tested in the interest of making the test run faster. |
| }, "Test mouse drags in intervals on non-custom composited div scrollbar thumb."); |
| } |
| </script> |
