| <!DOCTYPE html> |
| <body> |
| <script src="../../resources/js-test-pre.js"></script> |
| <div id="visibleElement">Visible</div> |
| <div id="invisibleElement1" style="display: none">Invisible</div> |
| <div id="invisibleElement2" style="display: none">Invisible</div> |
| <script> |
| description("Tests that a repeating timer changing the style of both visible and display:none elements does not throttled."); |
| jsTestIsAsync = true; |
| |
| var iterationCount = 0; |
| var timeoutId; |
| var visibleElement = document.getElementById("visibleElement"); |
| var invisibleElement1 = document.getElementById("visibleElement"); |
| var invisibleElement2 = document.getElementById("invisibleElement2"); |
| var wasThrottled = false; |
| |
| function timerCallback() |
| { |
| ++iterationCount; |
| // Interact with the style of the elements. |
| invisibleElement1.style["left"] = "" + iterationCount + "px"; |
| visibleElement.style["left"] = "" + iterationCount + "px"; |
| invisibleElement2.style["left"] = "" + iterationCount + "px"; |
| |
| // 5 iterations should suffice to throttle the timer. |
| if (iterationCount == 5) { |
| shouldBeFalse("internals.isTimerThrottled(timeoutId)"); |
| clearInterval(timeoutId); |
| finishJSTest(); |
| } |
| } |
| |
| timeoutId = setInterval(timerCallback, 10); |
| debug("The timer should initially not be throttled."); |
| shouldBeFalse("internals.isTimerThrottled(timeoutId)"); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
