File: starting-style-parsing.html

package info (click to toggle)
firefox 143.0.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,617,328 kB
  • sloc: cpp: 7,478,492; javascript: 6,417,157; ansic: 3,720,058; python: 1,396,372; xml: 627,523; asm: 438,677; java: 186,156; sh: 63,477; makefile: 19,171; objc: 13,059; perl: 12,983; yacc: 4,583; cs: 3,846; pascal: 3,405; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (38 lines) | stat: -rw-r--r-- 1,257 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
<!doctype html>
<title>@starting-style: parsing</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#at-ruledef-starting-style">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<main id=main></main>
<script>
  function test_valid(actual, expected) {
    if (expected === undefined)
      expected = actual;
    test(t => {
      t.add_cleanup(() => main.replaceChildren());
      let style = document.createElement('style');
      style.textContent = `${actual}{}`;
      main.append(style);
      assert_equals(style.sheet.rules.length, 1);
      let rule = style.sheet.rules[0];
      assert_equals(rule.cssText, `${expected} {\n}`);
    }, `${actual} is valid`);
  }

  function test_invalid(actual) {
    test(t => {
      t.add_cleanup(() => main.replaceChildren());
      let style = document.createElement('style');
      style.textContent = `${actual}{}`;
      main.append(style);
      assert_equals(style.sheet.rules.length, 0);
    }, `${actual} is not valid`);
  }

  test_valid('@starting-style');

  test_invalid('@starting-style div');
  test_invalid('@starting-style ()');
  test_invalid('@starting-style ( {}');
  test_invalid('@starting-style }');
</script>