68 lines
2.3 KiB
HTML
68 lines
2.3 KiB
HTML
<!DOCTYPE html>
|
|
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
|
|
<link rel="help" href="https://drafts.csswg.org/cssom/#the-csspagerule-interface">
|
|
<title>Add / remove margin rules inside an @page rule</title>
|
|
<style id="sheet">
|
|
@page { }
|
|
</style>
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script>
|
|
let sheet = document.getElementById("sheet").sheet;
|
|
let pageRule = sheet.rules[0];
|
|
|
|
test(() => {
|
|
assert_equals(pageRule.cssRules.length, 0);
|
|
pageRule.insertRule("@top-center {}");
|
|
assert_equals(pageRule.cssRules.length, 1);
|
|
assert_equals(pageRule.cssRules[0].name, "top-center");
|
|
|
|
pageRule.insertRule("@top-right {}", 1);
|
|
assert_equals(pageRule.cssRules.length, 2);
|
|
assert_equals(pageRule.cssRules[0].name, "top-center");
|
|
assert_equals(pageRule.cssRules[1].name, "top-right");
|
|
|
|
pageRule.insertRule("@top-left {}", 0);
|
|
assert_equals(pageRule.cssRules.length, 3);
|
|
|
|
pageRule.insertRule("@top-left {}", 0);
|
|
assert_equals(pageRule.cssRules.length, 4);
|
|
|
|
// Invalid at-rule:
|
|
try { pageRule.insertRule("@page {}"); } catch (e) {}
|
|
|
|
// Another invalid at-rule:
|
|
try { pageRule.insertRule("@media print {}"); } catch (e) {}
|
|
|
|
// Style rules are not allowed here:
|
|
try { pageRule.insertRule("div {}"); } catch (e) {}
|
|
|
|
assert_equals(pageRule.cssRules.length, 4);
|
|
|
|
assert_equals(pageRule.cssRules[0].name, "top-left");
|
|
assert_equals(pageRule.cssRules[1].name, "top-left");
|
|
assert_equals(pageRule.cssRules[2].name, "top-center");
|
|
assert_equals(pageRule.cssRules[3].name, "top-right");
|
|
}, "Insert rules");
|
|
|
|
test(() => {
|
|
assert_equals(pageRule.cssRules.length, 4);
|
|
|
|
pageRule.deleteRule(3);
|
|
assert_equals(pageRule.cssRules.length, 3);
|
|
assert_equals(pageRule.cssRules[0].name, "top-left");
|
|
assert_equals(pageRule.cssRules[1].name, "top-left");
|
|
assert_equals(pageRule.cssRules[2].name, "top-center");
|
|
|
|
pageRule.deleteRule(1);
|
|
assert_equals(pageRule.cssRules.length, 2);
|
|
assert_equals(pageRule.cssRules[0].name, "top-left");
|
|
assert_equals(pageRule.cssRules[1].name, "top-center");
|
|
|
|
pageRule.deleteRule(0);
|
|
assert_equals(pageRule.cssRules.length, 1);
|
|
|
|
pageRule.deleteRule(0);
|
|
assert_equals(pageRule.cssRules.length, 0);
|
|
}, "Delete rules");
|
|
</script>
|