toolkit/components/thumbnails/test/browser_thumbnails_capture.js

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1 /* Any copyright is dedicated to the Public Domain.
2 http://creativecommons.org/publicdomain/zero/1.0/ */
3
4 /**
5 * These tests ensure that capturing a sites's thumbnail, saving it and
6 * retrieving it from the cache works.
7 */
8 function runTests() {
9 // Create a tab with a red background.
10 yield addTab("data:text/html,<body bgcolor=ff0000></body>");
11 yield captureAndCheckColor(255, 0, 0, "we have a red thumbnail");
12
13 // Load a page with a green background.
14 yield navigateTo("data:text/html,<body bgcolor=00ff00></body>");
15 yield captureAndCheckColor(0, 255, 0, "we have a green thumbnail");
16
17 // Load a page with a blue background.
18 yield navigateTo("data:text/html,<body bgcolor=0000ff></body>");
19 yield captureAndCheckColor(0, 0, 255, "we have a blue thumbnail");
20 }

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