summaryrefslogtreecommitdiffstats
path: root/toolkit/components/thumbnails/test/browser_thumbnails_capture.js
blob: 1fe7a66fe5d6fcbd481145e3f1245c416483fa1d (plain)
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
/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

/**
 * These tests ensure that capturing a sites's thumbnail, saving it and
 * retrieving it from the cache works.
 */
add_task(async function thumbnails_capture() {
  // Create a tab with a red background.
  await BrowserTestUtils.withNewTab(
    {
      gBrowser,
      url: "data:text/html,<body bgcolor=ff0000></body>",
    },
    async browser => {
      await captureAndCheckColor(255, 0, 0, "we have a red thumbnail");

      // Load a page with a green background.
      let loaded = BrowserTestUtils.browserLoaded(browser);
      BrowserTestUtils.loadURIString(
        browser,
        "data:text/html,<body bgcolor=00ff00></body>"
      );
      await loaded;
      await captureAndCheckColor(0, 255, 0, "we have a green thumbnail");

      // Load a page with a blue background.
      loaded = BrowserTestUtils.browserLoaded(browser);
      BrowserTestUtils.loadURIString(
        browser,
        "data:text/html,<body bgcolor=0000ff></body>"
      );
      await loaded;
      await captureAndCheckColor(0, 0, 255, "we have a blue thumbnail");
    }
  );
});