<!DOCTYPE html>
<title>Style element is script-blocking when media matches</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/utils.js"></script>
<style>
@import url('stylesheet.py?delay=1');
</style>
<h1>Some text</h1>
<script>
test(() => {
  assert_true(styleExists("h1 { color: purple; }"),
              'script should be blocked until the stylesheet is loaded');
  const h1 = document.querySelector('h1');
  assert_equals(getComputedStyle(h1).color, 'rgb(128, 0, 128)');
});
</script>
