cssimportrule-sheet-identity.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom/cssimportrule-sheet-identity.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>CSSImportRule has different sheets even if referencing the same URL</title>

<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">

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

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

<link rel="help" href="https://drafts.csswg.org/cssom/#the-cssimportrule-interface">

<link rel="stylesheet" href="support/import-rule.css">

<link rel="stylesheet" href="support/import-rule.css">

<script>

let t = async_test("CSSImportRule has different sheets even if referencing the same URL");

window.onload = t.step_func_done(function() {

  let sheet1 = document.styleSheets[0];

  let sheet2 = document.styleSheets[1];

  assert_not_equals(sheet1, sheet2);

  let childSheet1 = sheet1.cssRules[0].styleSheet;

  let childSheet2 = sheet2.cssRules[0].styleSheet;

  assert_not_equals(childSheet1, null);

  assert_not_equals(childSheet2, null);

  assert_not_equals(childSheet1, childSheet2, "@import pointing to the same URL shouldn't point to the same StyleSheet object");

});

</script>