diff options
Diffstat (limited to 'testing/web-platform/tests/hr-time/navigation-start-post-before-unload.html')
-rw-r--r-- | testing/web-platform/tests/hr-time/navigation-start-post-before-unload.html | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/hr-time/navigation-start-post-before-unload.html b/testing/web-platform/tests/hr-time/navigation-start-post-before-unload.html new file mode 100644 index 0000000000..88ee5db77e --- /dev/null +++ b/testing/web-platform/tests/hr-time/navigation-start-post-before-unload.html @@ -0,0 +1,33 @@ +<!doctype html> +<html> +<head> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +</head> +<body> +<script> + function busyWait(millis) { + const start = performance.now(); + while (performance.now() < start + millis) {} + } + promise_test(async t => { + const delay = 3000; + const iframe = document.createElement('iframe'); + iframe.src = './resources/now_frame.html'; + document.body.appendChild(iframe); + await new Promise(resolve => iframe.addEventListener('load', resolve)); + iframe.contentWindow.addEventListener('beforeunload', () => { + busyWait(delay); + }); + iframe.src = './resources/post.html'; + await new Promise(resolve => this.addEventListener('message', ({data}) => { + if (data === 'done') + resolve(); + })); + + const entry = iframe.contentWindow.performance.getEntriesByType('navigation')[0]; + assert_less_than(entry.fetchStart, delay); + }, 'timeOrigin should be set after beforeunload'); +</script> +</body> +</html> |