mozilla-central/browser/base/content/test/pageinfo/browser_pageinfo_image_info.js (file symbol)

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/**
* Any copyright is dedicated to the Public Domain.
**/
const URI =
"data:text/html," +
"<style type='text/css'>%23test-image,%23not-test-image {background-image: url('about:logo?c');}</style>" +
"<img src='about:logo?b' height=300 width=350 alt=2 id='not-test-image'>" +
"<img src='about:logo?b' height=300 width=350 alt=2>" +
"<img src='about:logo?a' height=200 width=250>" +
"<img src='about:logo?b' height=200 width=250 alt=1>" +
"<img src='about:logo?b' height=100 width=150 alt=2 id='test-image'>";
add_task(async function () {
let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URI);
let browser = tab.linkedBrowser;
let imageInfo = await SpecialPowers.spawn(browser, [], async () => {
let testImg = content.document.getElementById("test-image");
return {
src: testImg.src,
currentSrc: testImg.currentSrc,
width: testImg.width,
height: testImg.height,
imageText: testImg.title || testImg.alt,
};
});
let pageInfo = BrowserCommands.pageInfo(
browser.currentURI.spec,
"mediaTab",
imageInfo
);
await BrowserTestUtils.waitForEvent(pageInfo, "page-info-init");
let pageInfoImg = pageInfo.document.getElementById("thepreviewimage");
await BrowserTestUtils.waitForEvent(pageInfoImg, "load");
Assert.equal(
pageInfoImg.src,
imageInfo.src,
"selected image has the correct source"
);
Assert.equal(
pageInfoImg.width,
imageInfo.width,
"selected image has the correct width"
);
Assert.equal(
pageInfoImg.height,
imageInfo.height,
"selected image has the correct height"
);
pageInfo.close();
BrowserTestUtils.removeTab(tab);
});