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<!DOCTYPE html>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<p>Test intrinsic sizing of embed elements referencing SVG documents, both same
origin and cross origin.</p>
<div id="container" style="width: 500px;"></div>
<script>
const TESTS = [
{ outer: "none", inner: "none", expected: "300x150" },
{ outer: "none", inner: "size", expected: "200x900" },
{ outer: "none", inner: "ratio", expected: "500x2500" },
{ outer: "none", inner: "both", expected: "200x400" },
{ outer: "size", inner: "none", expected: "100x150" },
{ outer: "size", inner: "size", expected: "100x450" },
{ outer: "size", inner: "ratio", expected: "100x500" },
{ outer: "size", inner: "both", expected: "100x200" },
{ outer: "ratio", inner: "none", expected: "500x1500" },
{ outer: "ratio", inner: "size", expected: "200x900" },
{ outer: "ratio", inner: "ratio", expected: "500x1500" },
{ outer: "ratio", inner: "both", expected: "200x400" },
{ outer: "both", inner: "none", expected: "100x300" },
{ outer: "both", inner: "size", expected: "100x300" },
{ outer: "both", inner: "ratio", expected: "100x300" },
{ outer: "both", inner: "both", expected: "100x300" },
];
add_task(async function() {
await SpecialPowers.pushPrefEnv({ "set": [["layout.css.aspect-ratio.enabled", true]] });
for (let test of TESTS) {
for (let crossorigin of [false, true]) {
let host = crossorigin ? "http://example.org" : "http://mochi.test:8888";
let e = document.createElement("embed");
switch (test.outer) {
case "none":
break;
case "size":
e.style.width = "100px";
break;
case "ratio":
e.style.aspectRatio = "1 / 3";
break;
case "both":
e.style.width = "100px";
e.style.aspectRatio = "1 / 3";
break;
default:
throw new Error("unexpected subtest");
}
await new Promise(function(resolve) {
e.src = host + location.pathname.replace("test_embed_sizing.html", `file_embed_sizing_${test.inner}.svg`);
e.onload = resolve;
container.append(e);
});
let desc = `Subtest (${test.outer}/${test.inner}/${crossorigin ? 'cross' : 'same'} origin)`;
is(`${e.offsetWidth}x${e.offsetHeight}`, test.expected, desc);
e.remove();
}
}
});
</script>
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