| <!DOCTYPE html> |
| <link rel=author href="mailto:jarhar@chromium.org"> |
| <link rel=help href="https://drafts.csswg.org/css-display-4/#display-animation"> |
| <link rel=help href="https://github.com/w3c/csswg-drafts/issues/6429"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/css-animations/support/testcommon.js"></script> |
| |
| <div id=target1>hello</div> |
| <style> |
| @keyframes display1 { |
| 0% { display: none; } |
| 100% { display: inline; } |
| } |
| .animate1 { |
| animation: display1 1s infinite; |
| } |
| </style> |
| <script> |
| promise_test(async (t) => { |
| t.add_cleanup(() => target1.classList.remove('animate1')); |
| |
| let numAnimationstartFired = 0; |
| target1.addEventListener('animationstart', () => numAnimationstartFired++); |
| |
| await waitForAnimationFrames(1); |
| target1.classList.add('animate1'); |
| await waitForAnimationFrames(2); |
| |
| assert_equals(getComputedStyle(target1).display, 'inline', |
| 'The display should be inline during the animation.'); |
| assert_equals(numAnimationstartFired, 1, |
| 'Only one animation should start.'); |
| }, 'display:none animating to display:inline should be inline for the whole animation.'); |
| </script> |
| |
| <div id=target2>hello</div> |
| <style> |
| @keyframes display2 { |
| 0% { display: var(--none-value); } |
| 100% { display: inline; } |
| } |
| .animate2 { |
| animation: display2 1s infinite; |
| } |
| #target2 { |
| --none-value: none; |
| } |
| </style> |
| <script> |
| promise_test(async (t) => { |
| t.add_cleanup(() => target2.classList.remove('animate2')); |
| |
| let numAnimationstartFired = 0; |
| target2.addEventListener('animationstart', () => numAnimationstartFired++); |
| |
| await waitForAnimationFrames(1); |
| target2.classList.add('animate2'); |
| await waitForAnimationFrames(2); |
| |
| assert_equals(getComputedStyle(target2).display, 'inline', |
| 'The display should be inline during the animation.'); |
| assert_equals(numAnimationstartFired, 1, |
| 'Only one animation should start.'); |
| }, 'A CSS variable of display:none animating to display:inline should be inline for the whole animation.'); |
| </script> |
| |
| <div id=target3>hello</div> |
| <style> |
| @keyframes display3 { |
| 0% { display: none; } |
| 100% { display: none; } |
| } |
| .animate3 { |
| animation: display3 1s infinite; |
| } |
| </style> |
| <script> |
| promise_test(async (t) => { |
| t.add_cleanup(() => target3.classList.remove('animate3')); |
| |
| let numAnimationstartFired = 0; |
| target3.addEventListener('animationstart', () => numAnimationstartFired++); |
| |
| await waitForAnimationFrames(1); |
| target3.classList.add('animate3'); |
| await waitForAnimationFrames(2); |
| |
| assert_equals(getComputedStyle(target3).display, 'none', |
| 'The display should be none and the animation should keep running.'); |
| assert_equals(numAnimationstartFired, 1, |
| 'Only one animation should start.'); |
| }, 'Animating from display:none to display:none should not cancel the animation.'); |
| </script> |
| |
| <div id=target4>hello</div> |
| <style> |
| @keyframes display4 { |
| 0% { display: var(--none-value); } |
| 100% { display: var(--none-value); } |
| } |
| .animate4 { |
| animation: display4 1s infinite; |
| } |
| #target4 { |
| --none-value: none; |
| } |
| </style> |
| <script> |
| promise_test(async (t) => { |
| t.add_cleanup(() => target4.classList.remove('animate4')); |
| |
| let numAnimationstartFired = 0; |
| target4.addEventListener('animationstart', () => numAnimationstartFired++); |
| |
| await waitForAnimationFrames(1); |
| target4.classList.add('animate4'); |
| await waitForAnimationFrames(2); |
| |
| assert_equals(getComputedStyle(target4).display, 'none', |
| 'The display should be none and the animation should keep running.'); |
| assert_equals(numAnimationstartFired, 1, |
| 'Only one animation should start.'); |
| }, 'Animating from display:none to display:none with an intermediate variable should not cancel the animation.'); |
| </script> |
| |
| <div id=target5>hello</div> |
| <style> |
| @keyframes display5 { |
| 0% { --display: none; } |
| 100% { --display: none; } |
| } |
| .animate5 { |
| animation: display5 1s infinite; |
| } |
| #target5 { |
| display: var(--display, block); |
| } |
| </style> |
| <script> |
| promise_test(async (t) => { |
| t.add_cleanup(() => target5.classList.remove('animate5')); |
| |
| let numAnimationstartFired = 0; |
| target5.addEventListener('animationstart', () => numAnimationstartFired++); |
| |
| await waitForAnimationFrames(1); |
| target5.classList.add('animate5'); |
| await waitForAnimationFrames(2); |
| |
| assert_equals(getComputedStyle(target5).display, 'none', |
| 'The display should be none and the animation should keep running.'); |
| assert_equals(numAnimationstartFired, 1, |
| 'Only one animation should start.'); |
| }, 'Animating a variable of "none" which gets set to display elsewhere should not cancel the animation.'); |
| </script> |
