From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../hr-time/window-worker-timeOrigin.window.js | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 testing/web-platform/tests/hr-time/window-worker-timeOrigin.window.js (limited to 'testing/web-platform/tests/hr-time/window-worker-timeOrigin.window.js') diff --git a/testing/web-platform/tests/hr-time/window-worker-timeOrigin.window.js b/testing/web-platform/tests/hr-time/window-worker-timeOrigin.window.js new file mode 100644 index 0000000000..1e5ef1cdff --- /dev/null +++ b/testing/web-platform/tests/hr-time/window-worker-timeOrigin.window.js @@ -0,0 +1,30 @@ +"use strict" +// https://w3c.github.io/hr-time/#time-origin + +async_test(function(test) { + // Cache global time before starting worker + const globalTimeOrigin = performance.timeOrigin; + const globalNowBeforeWorkerStart = performance.now(); + + // Start worker and retrieve time + const workerScript = "postMessage({timeOrigin: performance.timeOrigin, now: performance.now()})"; + const blob = new Blob([workerScript]); + let worker = new Worker(URL.createObjectURL(blob)); + + worker.addEventListener("message", test.step_func_done(function(event) { + const workerTimeOrigin = event.data.timeOrigin; + const workerNow = event.data.now; + + assert_not_equals(workerTimeOrigin, 0, "worker timeOrigin must not be 0"); + assert_not_equals(performance.timeOrigin, 0, "Document timeOrigin must not be 0"); + + assert_equals(globalTimeOrigin, performance.timeOrigin, "timeOrigin should not be changed in same document mode"); + assert_less_than(globalTimeOrigin, workerTimeOrigin, "Document timeOrigin must be earlier than worker timeOrigin"); + + // Document and worker's now() start from their respective timeOrigins. + const timeDiff = workerTimeOrigin - globalTimeOrigin; // convert worker's time to Document time. + assert_less_than(globalTimeOrigin + globalNowBeforeWorkerStart, globalTimeOrigin + timeDiff + workerNow, "Document old now is earlier than worker now."); + + // Comparing timing between Document and worker threads could be delicate as it relies on the thread implementation and could be subject to race conditions. + })); +}, 'timeOrigin and now() should be correctly ordered between window and worker'); -- cgit v1.2.3