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Update web-platform-tests to revision 3bbb55915a04548e70c63b7c143a83e0e9d3c5e7

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WPT Sync Bot 2019-04-01 22:33:23 -04:00
parent 3340214a29
commit b55cc798b6
100 changed files with 2036 additions and 3665 deletions
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44
tests/wpt/web-platform-tests/element-timing/rectangular-image.html Normal file
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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Element Timing: observe a rectangular image</title>
<body>
<style>
body {
margin: 20px;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/element-timing-helpers.js"></script>
<script>
let beforeRender;
async_test(function (t) {
const observer = new PerformanceObserver(
t.step_func_done(function(entryList) {
assert_equals(entryList.getEntries().length, 1);
const entry = entryList.getEntries()[0];
const index = window.location.href.lastIndexOf('/');
// Subtracting 14 to remove 'element-timing'.
const pathname = window.location.href.substring(0, index - 14) +
'images/black-rectangle.png';
checkElement(entry, pathname, 'my_image', 'rectangle', beforeRender);
// Assume viewport has size at least 100, so the element is fully visible.
checkRect(entry, [20, 120, 20, 70]);
checkNaturalSize(entry, 100, 50);
})
);
observer.observe({entryTypes: ['element']});
// We add the image during onload to be sure that the observer is registered
// in time for it to observe the element timing.
window.onload = () => {
// Add image of width equal to 100 and height equal to 50.
const img = document.createElement('img');
img.src = '/images/black-rectangle.png';
img.id = 'rectangle';
img.setAttribute('elementtiming', 'my_image');
document.body.appendChild(img);
beforeRender = performance.now();
};
}, 'Element with rectangular image has correct rect and instrinsic size.');
</script>
</body>