| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .test { |
| width: 100px; |
| height: 25px; |
| background: red; |
| color: green; |
| } |
| |
| #host1.green { |
| transition: background 0.1s; |
| background: green !important; |
| } |
| |
| #host3 .green { |
| transition: background 0.1s; |
| background: green !important; |
| height: 100%; |
| } |
| |
| </style> |
| </head> |
| <body> |
| <p>Test passes if you see a single 100px by 100px green box below.</p> |
| <div id="host1" class="test"><div>text</div></div> |
| <div id="host2" class="test"><div>text</div></div> |
| <div id="host3" class="test"><div>text</div></div> |
| <div id="host4" class="test"><div>text</div></div> |
| <script> |
| |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| let expectedEventCount = 0; |
| let eventCount = 0; |
| |
| function transitionEndEvent() |
| { |
| ++eventCount; |
| if (eventCount == expectedEventCount) { |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| } |
| |
| { |
| const host = document.getElementById('host1'); |
| host.attachShadow({mode: 'closed'}).innerHTML = ` |
| <slot></slot> |
| `; |
| |
| getComputedStyle(host.firstChild).backgroundColor; |
| ++expectedEventCount; |
| document.addEventListener('transitionend', transitionEndEvent); |
| host.classList.toggle('green'); |
| } |
| |
| { |
| const host = document.getElementById('host2'); |
| host.attachShadow({mode: 'closed'}).innerHTML = ` |
| <style> |
| :host(.green) { |
| transition: background 0.1s; |
| background: green !important; |
| } |
| </style> |
| <slot></slot> |
| `; |
| |
| getComputedStyle(host.firstChild).backgroundColor; |
| ++expectedEventCount; |
| document.addEventListener('transitionend', transitionEndEvent); |
| host.classList.toggle('green'); |
| } |
| |
| { |
| const host = document.getElementById('host3'); |
| host.attachShadow({mode: 'closed'}).innerHTML = ` |
| <slot></slot> |
| `; |
| |
| getComputedStyle(host.firstChild).backgroundColor; |
| ++expectedEventCount; |
| document.addEventListener('transitionend', transitionEndEvent); |
| host.firstChild.classList.toggle('green'); |
| } |
| |
| { |
| const host = document.getElementById('host4'); |
| host.attachShadow({mode: 'closed'}).innerHTML = ` |
| <style> |
| ::slotted(.green) { |
| transition: background 0.1s; |
| background: green !important; |
| height: 100%; |
| } |
| </style> |
| <slot></slot> |
| `; |
| |
| getComputedStyle(host.firstChild).backgroundColor; |
| ++expectedEventCount; |
| document.addEventListener('transitionend', transitionEndEvent); |
| host.firstChild.classList.toggle('green'); |
| } |
| |
| </script> |
| </body> |
| </html> |
