chromium/third_party/blink/web_tests/external/wpt/css/css-page/parsing/margin-rules-002.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-page-3/#margin-at-rules">
<meta name="assert" content="Test parsing of margin rule with/without preceding/following @page properties">
<style id="nothing">
  @page {
    @top-center {
      content: "PASS";
    }
  }
</style>
<style id="propertiesAfter">
  @page {
    @top-center {
      content: "PASS";
    }
    padding-left: 10px;
  }
</style>
<style id="propertiesBefore">
  @page {
    padding-left: 10px;
    @top-center {
      content: "PASS";
    }
  }
</style>
<style id="propertiesBetween">
  @page {
    padding-left: 666px;
    @top-left {
      content: "left";
    }
    padding-left: 10px;
    @top-right {
      content: "right";
    }
  }
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
  test(()=>{
    assert_equals(nothing.sheet.rules.length, 1);
    let pagerule = nothing.sheet.rules[0];
    assert_equals(pagerule.cssRules.length, 1);
    let marginrule = pagerule.cssRules[0];
    assert_equals(marginrule.style.content, "\"PASS\"");
  }, "margin rule without any preceding @page properties");

  test(()=>{
    assert_equals(propertiesAfter.sheet.rules.length, 1);
    let pagerule = propertiesAfter.sheet.rules[0];
    assert_equals(pagerule.cssRules.length, 1);
    let marginrule = pagerule.cssRules[0];
    assert_equals(marginrule.style.content, "\"PASS\"");
    assert_equals(pagerule.style.paddingLeft, "10px");
  }, "margin rule followed by @page properties");

  test(()=>{
    assert_equals(propertiesAfter.sheet.rules.length, 1);
    let pagerule = propertiesAfter.sheet.rules[0];
    assert_equals(pagerule.cssRules.length, 1);
    let marginrule = pagerule.cssRules[0];
    assert_equals(marginrule.style.content, "\"PASS\"");
    assert_equals(pagerule.style.paddingLeft, "10px");
  }, "margin rule preceded by @page properties");

  test(()=>{
    assert_equals(propertiesBetween.sheet.rules.length, 1);
    let pagerule = propertiesBetween.sheet.rules[0];
    assert_equals(pagerule.cssRules.length, 2);
    let marginrule = pagerule.cssRules[0];
    assert_equals(marginrule.style.content, "\"left\"");
    marginrule = pagerule.cssRules[1];
    assert_equals(marginrule.style.content, "\"right\"");
    assert_equals(pagerule.style.paddingLeft, "10px");
  }, "margin rules with @page properties between");
</script>