empty-background-image.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-images/empty-background-image.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Empty url shouldn't try to load a subresource.</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<link rel="help" href="https://drafts.csswg.org/css-values-4/#url-empty">

<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1302991">

<style>

@import url();

@import url('');

@import url("");

</style>

<div style="background-image: url()"></div>

<div style="background-image: url('')"></div>

<div style='background-image: url("")'></div>

<script>

let t = async_test("Empty url shouldn't try to load a subresource.");

onload = t.step_func_done(function() {

  for (let entry of performance.getEntriesByType("resource")) {

    assert_not_equals(entry.name, location.href, "Shouldn't have tried to request ourselves as a subresource")

});

</script>