forked from mirrors/gecko-dev
6c7d0165c4
Bug 1498274 removed the enclosing groupbox, which also removed the XBL box that bounded the image size. Add a vbox to do so. Also add a test that checks the image's sizes match its natural sizes. Differential Revision: https://phabricator.services.mozilla.com/D20547 --HG-- extra : moz-landing-system : lando
60 lines
2 KiB
JavaScript
60 lines
2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Check whether the preview image for setDesktopBackground is rendered
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* correctly, without stretching
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*/
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add_task(async function() {
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await BrowserTestUtils.withNewTab({
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gBrowser,
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url: "about:logo",
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}, async (browser) => {
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const dialogLoad = BrowserTestUtils.domWindowOpened(
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null,
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async win => {
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await BrowserTestUtils.waitForEvent(win, "load");
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Assert.equal(
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win.document.documentElement.getAttribute("windowtype"),
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"Shell:SetDesktopBackground",
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"Opened correct window"
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);
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return true;
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}
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);
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const image = content.document.images[0];
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EventUtils.synthesizeMouseAtCenter(image, { type: "contextmenu" });
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const menu = document.getElementById("contentAreaContextMenu");
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await BrowserTestUtils.waitForPopupEvent(menu, "shown");
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document.getElementById("context-setDesktopBackground").click();
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// Need to explicitly close the menu (and wait for it), otherwise it fails
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// verify/later tests
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const menuClosed = BrowserTestUtils.waitForPopupEvent(menu, "hidden");
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menu.hidePopup();
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const win = await dialogLoad;
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/* setDesktopBackground.js does a setTimeout to wait for correct
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dimensions. If we don't wait here we could read the monitor image
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URL before it's changed to the widescreen version */
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await TestUtils.waitForTick();
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const img = win.document.getElementById("monitor");
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const measure = new Image();
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const measureLoad = BrowserTestUtils.waitForEvent(measure, "load");
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measure.src =
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getComputedStyle(img).listStyleImage.slice(4, -1).replace(/"/g, "");
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await measureLoad;
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Assert.equal(img.clientWidth, measure.naturalWidth, "Monitor image correct width");
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Assert.equal(img.clientHeight, measure.naturalHeight, "Monitor image correct height");
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win.close();
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await menuClosed;
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});
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});
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