File: if-style-invalidation.html

package info (click to toggle)
thunderbird 1%3A144.0.1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 4,725,312 kB
  • sloc: cpp: 7,869,225; javascript: 5,974,276; ansic: 3,946,747; python: 1,421,062; xml: 654,642; asm: 474,045; java: 183,117; sh: 110,973; makefile: 20,398; perl: 14,362; objc: 13,086; yacc: 4,583; pascal: 3,448; lex: 1,720; ruby: 999; exp: 762; sql: 731; awk: 580; php: 436; lisp: 430; sed: 69; csh: 10
file content (33 lines) | stat: -rw-r--r-- 975 bytes parent folder | download | duplicates (15) 
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
 
<!DOCTYPE html>
<title>CSS Values and Units Test: if() style() condition invalidation</title>
<meta name="assert" content="Test if() style() condition invalidation">
<link rel="help" href="https://drafts.csswg.org/css-values-5/#if-notation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  html {
    --x: 3;
  }
  #test {
    --prop: if(style(--x: 3): true_value; else: false_value;);
  }
</style>

<html>
  <body>
    <div id="test"></div>
  </body>
</html>

<script>
  setup({ single_test: true });
  let elem = document.getElementById('test');
  let old_value = window.getComputedStyle(elem).getPropertyValue('--prop');
  assert_equals(old_value, "true_value");

  document.documentElement.style.setProperty('--x', '0');
  let new_value = window.getComputedStyle(elem).getPropertyValue('--prop');
  assert_equals( new_value, "false_value");
  assert_not_equals(new_value, old_value);
  done();
</script>