| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| </head> |
| <body> |
| <script> |
| jsTestIsAsync = true; |
| description("Tests that a setTimeout timer gets a nonzero alignment once it has reached the maximum nesting level."); |
| |
| if (!window.testRunner || !window.internals) { |
| testFailed("Test requires internals."); |
| finishJSTest(); |
| } |
| |
| |
| const maxNestingLevel = 10; |
| var timeoutsCount = 0; |
| var timeoutHandle; |
| |
| function checkIfAligned(expectAligned) |
| { |
| // We need to schedule a new timer here since the timer that fired to execute |
| // the current task is no longer being tracked by the context. |
| timeoutHandle = setTimeout(() => { }, 10); |
| shouldBe("internals.isTimerAligned(timeoutHandle)", `${expectAligned}`); |
| clearTimeout(timeoutHandle); |
| } |
| |
| function timeoutFired() |
| { |
| checkIfAligned(++timeoutsCount >= maxNestingLevel); |
| |
| if (timeoutsCount > maxNestingLevel + 5) |
| return finishJSTest(); |
| |
| setTimeout(timeoutFired, 5); |
| } |
| |
| window.addEventListener("load", () => setTimeout(timeoutFired, 5)); |
| </script> |
| </body> |
| </html> |
