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Update web-platform-tests to revision 1268bd5901289acc95b1a576f108bdf382d82e44

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WPT Sync Bot 2019-12-19 08:23:25 +00:00
parent f183d66217
commit 292a12e545
261 changed files with 5513 additions and 966 deletions
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tests/wpt/web-platform-tests/loading/lazyload/image-loading-lazy-load-event.tentative.html Normal file
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<!DOCTYPE html>
<head>
<title>In-viewport loading=lazy images do not block the window load event</title>
<link rel="author" title="Rob Buis" href="mailto:rbuis@igalia.com">
<link rel="author" title="Dom Farolino" href="mailto:dom@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="common.js"></script>
</head>
<body>
<!-- This image blocks the window load event for 1 second -->
<img src="resources/image.png?window-load-blocking&pipe=trickle(d1)">
<!-- These images must load because they intersect the viewport, but they must
not block the window load event, because they are loading=lazy -->
<img id="visible"
src="resources/image.png?visible&pipe=trickle(d3)" loading="lazy"
onload="visible_img.resolve();" onerror="visible_img.reject();">
<img id="visibility_hidden" style="visibility:hidden;"
src="resources/image.png?visibility_hidden&pipe=trickle(d3)" loading="lazy"
onload="visibility_hidden_img.resolve();" onerror="visibility_hidden_img.reject();">
</body>
<!--
Marked as tentative until https://github.com/whatwg/html/pull/3752 is landed.
-->
<script>
const visible_img = new ElementLoadPromise("visible");
const visibility_hidden_img = new ElementLoadPromise("visibility_hidden");
async_test(t => {
let has_window_loaded = false;
window.addEventListener("load", t.step_func(() => {
has_window_loaded = true;
}));
Promise.all([visible_img.promise, visibility_hidden_img.promise])
.then(t.step_func_done(() => {
assert_true(has_window_loaded,
"The window load event should fire before the " +
"in-viewport loading=lazy images load");
assert_true(visible_img.element().complete,
"The in-viewport loading=lazy visible image is complete");
assert_true(visibility_hidden_img.element().complete,
"The in-viewport loading=lazy visibility:hidden image is " +
"complete");
}))
.catch(t.unreached_func("The images should load successfully"));
}, "In-viewport loading=lazy images do not block the window load event");
</script>