Add a fail-fast for longtask layouttests This CL adds checks to fail tests for browsers that do not support longtasks instead of forcing them to timeout. Change-Id: I5be54a1ab0a5d003decb58fc1e79380cbce15976 Reviewed-on: https://chromium-review.googlesource.com/1128174 Reviewed-by: Timothy Dresser <tdresser@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Cr-Commit-Position: refs/heads/master@{#573900} diff --git a/longtask-timing/longtask-in-sibling-iframe.html b/longtask-timing/longtask-in-sibling-iframe.html index d463810..9f584c7 100644 --- a/longtask-timing/longtask-in-sibling-iframe.html +++ b/longtask-timing/longtask-in-sibling-iframe.html
@@ -8,6 +8,10 @@ <script> async_test(t => { + if (typeof PerformanceLongTaskTiming === 'undefined') { + assert_unreached("Longtasks are not supported."); + t.done(); + } window.addEventListener('message', t.step_func(e => { assert_equals(e.data['entryType'], 'longtask'); assert_equals(e.data['frame-attribution'], 'same-origin'); 