test_constructable_stylesheets_chrome_only_rules_in_content.html

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<!DOCTYPE HTML>

<meta charset="utf-8">

<title>Test for chrome-only rules in constructable stylesheets (in content)</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<script>

  add_task(async function chrome_rules_constructable_stylesheets_in_content() {

    let sheet = new CSSStyleSheet();

    sheet.replaceSync(".foo { -moz-default-appearance: none }");

    is(sheet.cssRules[0].style.length, 0, "Should not parse chrome-only property in content  document");

});

  add_task(async function chrome_rules_constructable_stylesheets_in_content() {

    let sheet = new CSSStyleSheet({ baseURL: "chrome://browser/content/browser.xhtml" })

    sheet.replaceSync(".foo { -moz-default-appearance: none }");

    is(sheet.cssRules[0].style.length, 0, "Should not parse chrome-only property in content  document, even with chrome baseURL");

});

</script>