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LibWeb/CSS: Implement CSSPageRule.setSelectorText()

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Gets us 12 WPT subtest passes.
This commit is contained in:
Sam Atkins
2025-05-16 11:41:56 +01:00
parent d852ae17e8
commit c9484e279f
Notes: github-actions[bot] 2025-05-16 15:45:04 +00:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/LadybirdBrowser/ladybird/commit/c9484e279f8
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4771
3 changed files with 168 additions and 5 deletions
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130
Tests/LibWeb/Text/input/wpt-import/css/cssom/cssom-pagerule.html Normal file
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<!DOCTYPE html>
<title>CSSOM: CSSPageRule tests</title>
<link rel="help" href="https://drafts.csswg.org/cssom/#the-csspagerule-interface" />
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<style>
@page {}
</style>
<script>
const sheet = document.styleSheets[0];
const rule = sheet.cssRules[0];
test(() => {
assert_true(!!rule);
assert_equals(rule.type, CSSRule.PAGE_RULE);
}, "Sanity checks");
test(() => {
assert_equals(rule.selectorText, "");
}, "Page selector is initially the empty string");
test(() => {
assert_equals(rule.cssText, "@page { }");
}, "Page selector 'cssText' is initially the @page { }");
test(() => {
rule.selectorText = ":left";
assert_equals(rule.selectorText, ":left");
}, "Set selectorText to :left pseudo page");
test(() => {
rule.selectorText = ":left";
assert_equals(rule.cssText, "@page :left { }");
}, "Set cssText to :left pseudo page");
test(() => {
rule.selectorText = "named";
assert_equals(rule.selectorText, "named");
}, "Set selectorText to named page");
test(() => {
rule.selectorText = "named";
assert_equals(rule.cssText, "@page named { }");
}, "Set cssText to named page");
test(() => {
rule.selectorText = "named:first";
assert_equals(rule.selectorText, "named:first");
}, "Set selectorText to named page with :first pseudo page");
test(() => {
rule.selectorText = "named:first";
assert_equals(rule.cssText, "@page named:first { }");
}, "Set cssText to named page with :first pseudo page");
test(() => {
rule.selectorText = "named:First";
assert_equals(rule.selectorText, "named:first");
}, "Set selectorText to named page with case insensitive :first pseudo page");
test(() => {
rule.selectorText = "named:First";
assert_equals(rule.cssText, "@page named:first { }");
}, "Set cssText to named page with case insensitive :first pseudo page");
test(() => {
rule.selectorText = "named:first:first";
assert_equals(rule.selectorText, "named:first:first");
}, "Set selectorText to named page with two :first pseudo page");
test(() => {
rule.selectorText = "named:first:first";
assert_equals(rule.cssText, "@page named:first:first { }");
}, "Set cssText to named page with two :first pseudo page");
test(() => {
rule.selectorText = "named:first:left:right:first";
assert_equals(rule.selectorText, "named:first:left:right:first");
}, "Set selectorText to named page with pseudo pages of " +
":first, :left, :right, :first in order.");
test(() => {
rule.selectorText = "named:first:left:right:first";
assert_equals(rule.cssText, "@page named:first:left:right:first { }");
}, "Set cssText to named page with pseudo pages of " +
":first, :left, :right, :first in order.");
test(() => {
rule.selectorText = "";
rule.selectorText = "named :first";
assert_equals(rule.selectorText, "");
}, "Cannot set selectorText to named page with pseudo, whitespace between");
test(() => {
rule.selectorText = "";
rule.selectorText = "named :first";
assert_equals(rule.cssText, "@page { }");
}, "Cannot set cssText to named page with pseudo, whitespace between - return default @page { }");
test(() => {
rule.selectorText = "";
rule.selectorText = ":first :left";
assert_equals(rule.selectorText, "");
}, "Cannot set selectorText to two pseudos, whitespace between");
test(() => {
rule.selectorText = "";
rule.selectorText = ":first :left";
assert_equals(rule.cssText, "@page { }");
}, "Cannot set cssText to two pseudos, whitespace between - return default @page { }");
test(() => {
rule.selectorText = "";
rule.selectorText = ":notapagepseudo";
assert_equals(rule.selectorText, "");
}, "Cannot set selectorText to invalid pseudo page");
test(() => {
rule.selectorText = "";
rule.selectorText = ":notapagepseudo";
assert_equals(rule.cssText, "@page { }");
}, "Cannot set cssText to invalid pseudo page - return default @page { }");
test(() => {
assert_equals(rule.parentStyleSheet, sheet);
sheet.deleteRule(0);
assert_equals(rule.parentStyleSheet, null);
rule.selectorText = "pagename";
}, "Set selectorText to named page after rule was removed");
</script>