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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/cssom/HTMLLinkElement-load-event-002.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/cssom/HTMLLinkElement-load-event-002.html')
| -rw-r--r-- | testing/web-platform/tests/css/cssom/HTMLLinkElement-load-event-002.html | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/cssom/HTMLLinkElement-load-event-002.html b/testing/web-platform/tests/css/cssom/HTMLLinkElement-load-event-002.html new file mode 100644 index 0000000000..79780813a1 --- /dev/null +++ b/testing/web-platform/tests/css/cssom/HTMLLinkElement-load-event-002.html @@ -0,0 +1,60 @@ +<!doctype html> +<meta charset="utf-8"> +<title>Link element load event doesn't block the parser.</title> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="author" title="Mozilla" href="https://mozilla.org"> +<link rel="help" href="https://html.spec.whatwg.org/#link-type-stylesheet"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> + let NUM_LOADS = 0; + + function sheetUrl(token) { + return "stylesheet-same-origin.css?" + token; + } + + function createLink(token) { + let link = document.createElement("link"); + link.rel = "stylesheet"; + link.href = sheetUrl(token); + return link; + } + + function waitForEnoughTimeToLoadSheet(token) { + return new Promise(resolve => { + let link = createLink(token); + link.onload = resolve; + document.head.appendChild(link); + }); + } + + promise_test(async function (t) { + let link = createLink("removed"); + link.addEventListener("load", t.unreached_func("got unexpected load event")); + link.addEventListener("error", t.unreached_func("got unexpected error event")); + document.head.appendChild(link); + link.remove(); + + await waitForEnoughTimeToLoadSheet("removed-wait"); + }, "Load event doesn't fire on removed link"); + + promise_test(async function (t) { + let link = createLink("changed-initial"); + let sawLoad = false; + let load = new Promise(resolve => { + link.addEventListener("load", function(e) { + assert_false(sawLoad, "Should only see load event once"); + sawLoad = true; + resolve(); + }); + }); + link.addEventListener("error", t.unreached_func("got unexpected error event")); + document.head.appendChild(link); + link.href = sheetUrl("changed-change"); + + await waitForEnoughTimeToLoadSheet("changed-wait"); + await load; + + assert_true(sawLoad, "Should've seen the load event only once"); + }, "Load event doesn't fire for removed sheet"); +</script> |