mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-10 05:08:36 +02:00
9141469edf
MozReview-Commit-ID: FuVu8skcqOe --HG-- extra : rebase_source : 8ab34c4e46a7c3075b459bf44786ec184d10d203
28 lines
1.1 KiB
JavaScript
28 lines
1.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
|
|
http://creativecommons.org/publicdomain/zero/1.0/ */
|
|
|
|
const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/" +
|
|
"test/background_red_scroll.html";
|
|
|
|
function isRedThumbnailFuzz(r, g, b, expectedR, expectedB, expectedG, aFuzz) {
|
|
return (Math.abs(r - expectedR) <= aFuzz) &&
|
|
(Math.abs(g - expectedG) <= aFuzz) &&
|
|
(Math.abs(b - expectedB) <= aFuzz);
|
|
}
|
|
|
|
// Test for black borders caused by scrollbars.
|
|
function* runTests() {
|
|
// Create a tab with a page with a red background and scrollbars.
|
|
yield addTab(URL);
|
|
yield captureAndCheckColor(255, 0, 0, "we have a red thumbnail");
|
|
|
|
// Check the thumbnail color of the bottom right pixel.
|
|
yield whenFileExists(URL);
|
|
yield retrieveImageDataForURL(URL, function(aData) {
|
|
let [r, g, b] = [].slice.call(aData, -4);
|
|
let fuzz = 2; // Windows 8 x64 blends with the scrollbar a bit.
|
|
var message = "Expected red thumbnail rgb(255, 0, 0), got " + r + "," + g + "," + b;
|
|
ok(isRedThumbnailFuzz(r, g, b, 255, 0, 0, fuzz), message);
|
|
next();
|
|
});
|
|
}
|