| <!doctype HTML> |
| |
| <!-- |
| Runs an acquireDisplayLock, which suspends the context. |
| The context is then resumed which is when the promise resolves. |
| --> |
| |
| <style> |
| #parent { |
| width: 100px; |
| height: 100px; |
| contain: content; |
| } |
| </style> |
| |
| <div id="log"></div> |
| <div id="parent"></div> |
| |
| <script> |
| if (window.testRunner) |
| window.testRunner.waitUntilDone(); |
| |
| function finishTest(status_string) { |
| if (document.getElementById("log").innerHTML === "") |
| document.getElementById("log").innerHTML = status_string; |
| if (window.testRunner) |
| window.testRunner.notifyDone(); |
| } |
| |
| function acquire() { |
| let current_status = "FAIL"; |
| let resume_handle = undefined; |
| document.getElementById("parent").acquireDisplayLock( |
| (context) => { |
| resume_handle = context.suspend(); |
| }).then( |
| () => { finishTest(current_status); }, |
| () => { finishTest("FAIL - rejected"); }); |
| setTimeout(() => { |
| current_status = "PASS"; |
| resume_handle.resume(); |
| }, 50); |
| } |
| |
| window.onload = acquire; |
| </script> |
| |
| |
| |
