20 lines
1,004 B
HTML
20 lines
1,004 B
HTML
<!doctype html>
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<meta charset="utf-8">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1646776">
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<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
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<link rel="author" href="https://mozilla.org" title="Mozilla">
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<link rel="stylesheet" href="data:text/css,:root{background:green}">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<script>
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// Note that script execution waits for the stylesheet above to be loaded.
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window.t = async_test("Stylesheets that are already loaded in the document don't cause spurious error events on preloads");
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let subdoc = document.createElement("iframe");
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subdoc.srcdoc = `
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<!doctype html>
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<meta charset="utf-8">
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<link rel="preload" as="style" href="data:text/css,:root{background:green}" onload="parent.t.done()" onerror="parent.t.step(() => parent.assert_unreached('should not error'))">
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`;
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document.body.appendChild(subdoc);
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</script>
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