fune/accessible/tests/browser/bounds/browser_test_zoom.js
2018-04-25 14:51:09 -04:00

71 lines
2.4 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/* import-globals-from ../../mochitest/layout.js */
/* global getContentDPR */
async function getContentBoundsForDOMElm(browser, id) {
return ContentTask.spawn(browser, id, contentId => {
this.ok = ok;
return getBoundsForDOMElm(contentId);
});
}
async function testContentBounds(browser, acc) {
let [expectedX, expectedY, expectedWidth, expectedHeight] =
await getContentBoundsForDOMElm(browser, getAccessibleDOMNodeID(acc));
let contentDPR = await getContentDPR(browser);
let [x, y, width, height] = getBounds(acc, contentDPR);
let prettyAccName = prettyName(acc);
is(x, expectedX, "Wrong x coordinate of " + prettyAccName);
is(y, expectedY, "Wrong y coordinate of " + prettyAccName);
is(width, expectedWidth, "Wrong width of " + prettyAccName);
ok(height >= expectedHeight, "Wrong height of " + prettyAccName);
}
async function runTests(browser, accDoc) {
loadFrameScripts(browser, { name: "layout.js", dir: MOCHITESTS_DIR });
let p1 = findAccessibleChildByID(accDoc, "p1");
let p2 = findAccessibleChildByID(accDoc, "p2");
let imgmap = findAccessibleChildByID(accDoc, "imgmap");
if (!imgmap.childCount) {
// An image map may not be available even after the doc and image load
// is complete. We don't recieve any DOM events for this change either,
// so we need to wait for a REORDER.
await waitForEvent(EVENT_REORDER, "imgmap");
}
let area = imgmap.firstChild;
await testContentBounds(browser, p1);
await testContentBounds(browser, p2);
await testContentBounds(browser, area);
await ContentTask.spawn(browser, {}, () => {
zoomDocument(document, 2.0);
});
await testContentBounds(browser, p1);
await testContentBounds(browser, p2);
await testContentBounds(browser, area);
}
/**
* Test accessible boundaries when page is zoomed
*/
addAccessibleTask(`
<p id="p1">para 1</p><p id="p2">para 2</p>
<map name="atoz_map" id="map">
<area id="area1" href="http://mozilla.org"
coords=17,0,30,14" alt="mozilla.org" shape="rect">
</map>
<img id="imgmap" width="447" height="15"
usemap="#atoz_map"
src="http://example.com/a11y/accessible/tests/mochitest/letters.gif">`,
runTests
);