| <html> |
| <head> |
| <script> |
| function log(msg) { |
| var element = document.createElement("div"); |
| element.textContent = msg; |
| document.body.appendChild(element); |
| document.body.appendChild(document.createElement("br")); |
| } |
| |
| var count = 0; |
| function fastTimeoutHandler() { |
| ++count; |
| setTimeout(fastTimeoutHandler, 1); |
| } |
| |
| function slowTimeoutHandler() { |
| // Note: the count threshold is tied somewhat to the |
| // maxTimerNestingLevel in DOMTimer.cpp. |
| if (count > 10) |
| log("PASS"); |
| else |
| log("FAIL -- timeout ran " + count + " times"); |
| testRunner.notifyDone(); |
| } |
| |
| function runTest() { |
| if (!window.testRunner) { |
| log("This test requires the LayoutTestController"); |
| return; |
| } |
| |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| |
| // Make timers run no more often than once every two seconds. |
| internals.settings.setMinimumTimerInterval(2.0); |
| |
| setTimeout(slowTimeoutHandler, 1000); |
| setTimeout(fastTimeoutHandler, 1); |
| |
| // Allow timers to run quickly again. |
| // If this doesn't cause timers to get re-evaluated immediately, |
| // the fast timeout handler won't get called for up to two seconds, |
| // which would lead to poor responsiveness. |
| internals.settings.setMinimumTimerInterval(0.004); |
| } |
| </script> |
| </head> |
| <body onload="runTest()"> |
| </body> |
| </html> |
