File: test_ext_background_canvas.html

package info (click to toggle)
firefox 142.0.1-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,591,884 kB
  • sloc: cpp: 7,451,570; javascript: 6,392,463; ansic: 3,712,584; python: 1,388,569; xml: 629,223; asm: 426,919; java: 184,857; sh: 63,439; makefile: 19,150; objc: 13,059; perl: 12,983; yacc: 4,583; cs: 3,846; pascal: 3,352; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (42 lines) | stat: -rw-r--r-- 1,138 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
34
35
36
37
38
39
40
41
42
 
<!DOCTYPE HTML>
<html>
<head>
  <title>Test for background page canvas rendering</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
  <script type="text/javascript" src="head.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>

<script type="text/javascript">
"use strict";

add_task(async function test_background_canvas() {
  function background() {
    try {
      let canvas = document.createElement("canvas");

      let context = canvas.getContext("2d");

      // This ensures that we have a working PresShell, and can successfully
      // calculate font metrics.
      context.font = "8pt fixed";

      browser.test.notifyPass("background-canvas");
    } catch (e) {
      browser.test.fail(`Error: ${e} :: ${e.stack}`);
      browser.test.notifyFail("background-canvas");
    }
  }

  let extension = ExtensionTestUtils.loadExtension({ background });

  await extension.startup();
  await extension.awaitFinish("background-canvas");
  await extension.unload();
});
</script>

</body>
</html>