michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: const URL = "http://mochi.test:8888/browser/toolkit/components/thumbnails/" +
michael@0:             "test/background_red_scroll.html";
michael@0: 
michael@0: // Test for black borders caused by scrollbars.
michael@0: function runTests() {
michael@0:   // Create a tab with a page with a red background and scrollbars.
michael@0:   yield addTab(URL);
michael@0:   yield captureAndCheckColor(255, 0, 0, "we have a red thumbnail");
michael@0: 
michael@0:   // Check the thumbnail color of the bottom right pixel.
michael@0:   yield whenFileExists(URL);
michael@0:   yield retrieveImageDataForURL(URL, function (aData) {
michael@0:     let [r, g, b] = [].slice.call(aData, -4);
michael@0:     is("" + [r,g,b], "255,0,0", "we have a red thumbnail");
michael@0:     next();
michael@0:   });
michael@0: }