| <!DOCTYPE html> |
| <html> |
| <title>Media Controls: Test controls layout correctly in different small sizes.</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../media-controls.js"></script> |
| <video controls></video> |
| <script> |
| async_test(t => { |
| const video = document.querySelector('video'); |
| video.src = '../content/test.ogv'; |
| |
| video.onloadedmetadata = t.step_func(() => { |
| // We are testing the changing of sizes instead of single test cases |
| // because the layout flilkering issue typically happen when changing |
| // from small size to big size. |
| const testCases = [ 400, 100, 180, 200, 100, 200, 100, 250, 100, 300 ]; |
| const buttonPanel = buttonPanelElement(video); |
| const overflowBtn = overflowButton(video); |
| |
| runTestCase(0); |
| |
| function runTestCase(index) { |
| let test = testCases[index]; |
| video.width = test; |
| testRunner.layoutAndPaintAsyncThen(t.step_func(() => { |
| expectLayoutCorrectly(); |
| |
| assert_not_equals(getComputedStyle(overflowBtn), 'none', |
| 'Overflow button should always be visible'); |
| |
| let nextIndex = index + 1; |
| if (nextIndex === testCases.length) { |
| t.done(); |
| return; |
| } |
| runTestCase(nextIndex); |
| })); |
| } |
| |
| function expectLayoutCorrectly() { |
| let totalWidth = 0; |
| let children = buttonPanel.children; |
| for (let i = 0; i < children.length; i++) { |
| let child = children[i]; |
| if (getComputedStyle(child).display != 'none') |
| totalWidth += child.getBoundingClientRect().width; |
| } |
| |
| assert_true(totalWidth <= buttonPanel.getBoundingClientRect().width, |
| 'All element should fit in button panel'); |
| } |
| }); |
| }); |
| </script> |
| </html> |
