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- This test failed 68 times in the preceding 30 days. quicksearch this test
- Manifest: accessible/tests/browser/hittest/browser.toml
/* 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
"use strict";
async function runTests(browser, accDoc) {
const dpr = await getContentDPR(browser);
await testChildAtPoint(
dpr,
3,
3,
findAccessibleChildByID(accDoc, "list"),
findAccessibleChildByID(accDoc, "listitem"),
findAccessibleChildByID(accDoc, "inner").firstChild
);
todo(
false,
"ChildAtPoint with eDeepestChild is incorrectly ignoring MustPrune " +
"for the graphic."
);
const txt = findAccessibleChildByID(accDoc, "txt");
await testChildAtPoint(dpr, 1, 1, txt, txt, txt);
info(
"::MustPrune case, point is outside of textbox accessible but is in document."
);
await testChildAtPoint(dpr, -1, -1, txt, null, null);
info("::MustPrune case, point is outside of root accessible.");
await testChildAtPoint(dpr, -10000, -10000, txt, null, null);
info("Not specific case, point is inside of btn accessible.");
const btn = findAccessibleChildByID(accDoc, "btn");
await testChildAtPoint(dpr, 1, 1, btn, btn, btn);
info("Not specific case, point is outside of btn accessible.");
await testChildAtPoint(dpr, -1, -1, btn, null, null);
info(
"Out of flow accessible testing, do not return out of flow accessible " +
"because it's not a child of the accessible even though visually it is."
);
await invokeContentTask(browser, [], () => {
const { CommonUtils } = ChromeUtils.importESModule(
);
const doc = content.document;
const rectArea = CommonUtils.getNode("area", doc).getBoundingClientRect();
const outOfFlow = CommonUtils.getNode("outofflow", doc);
outOfFlow.style.left = rectArea.left + "px";
outOfFlow.style.top = rectArea.top + "px";
});
const area = findAccessibleChildByID(accDoc, "area");
await testChildAtPoint(dpr, 1, 1, area, area, area);
info("Test image maps. Their children are not in the layout tree.");
await waitForImageMap(browser, accDoc);
const imgmap = findAccessibleChildByID(accDoc, "imgmap");
ok(imgmap, "Image map exists");
const theLetterA = imgmap.firstChild;
await hitTest(browser, imgmap, theLetterA, theLetterA);
await hitTest(
browser,
findAccessibleChildByID(accDoc, "container"),
imgmap,
theLetterA
);
info("hit testing for element contained by zero-width element");
const container2Input = findAccessibleChildByID(accDoc, "container2_input");
await hitTest(
browser,
findAccessibleChildByID(accDoc, "container2"),
container2Input,
container2Input
);
info("hittesting table, row, cells -- rows are not in the layout tree");
const table = findAccessibleChildByID(accDoc, "table");
const row = findAccessibleChildByID(accDoc, "row");
const cell1 = findAccessibleChildByID(accDoc, "cell1");
await hitTest(browser, table, row, cell1);
info("Testing that an inaccessible child doesn't break hit testing");
const containerWithInaccessibleChild = findAccessibleChildByID(
accDoc,
"containerWithInaccessibleChild"
);
const containerWithInaccessibleChildP2 = findAccessibleChildByID(
accDoc,
"containerWithInaccessibleChild_p2"
);
await hitTest(
browser,
containerWithInaccessibleChild,
containerWithInaccessibleChildP2,
containerWithInaccessibleChildP2.firstChild
);
info("Testing wrapped text");
const wrappedTextLinkFirstP = findAccessibleChildByID(
accDoc,
"wrappedTextLinkFirstP"
);
const wrappedTextLinkFirstA = findAccessibleChildByID(
accDoc,
"wrappedTextLinkFirstA"
);
await hitTest(
browser,
wrappedTextLinkFirstP,
wrappedTextLinkFirstA,
wrappedTextLinkFirstA.firstChild
);
const wrappedTextLeafFirstP = findAccessibleChildByID(
accDoc,
"wrappedTextLeafFirstP"
);
const wrappedTextLeafFirstMark = findAccessibleChildByID(
accDoc,
"wrappedTextLeafFirstMark"
);
await hitTest(
browser,
wrappedTextLeafFirstP,
wrappedTextLeafFirstMark,
wrappedTextLeafFirstMark.firstChild
);
info("Testing image");
const imageP = findAccessibleChildByID(accDoc, "imageP");
const image = findAccessibleChildByID(accDoc, "image");
await hitTest(browser, imageP, image, image);
info("Testing image map with 0-sized area");
const mapWith0AreaP = findAccessibleChildByID(accDoc, "mapWith0AreaP");
const mapWith0Area = findAccessibleChildByID(accDoc, "mapWith0Area");
await hitTest(browser, mapWith0AreaP, mapWith0Area, mapWith0Area);
}
addAccessibleTask(
`
<div role="list" id="list">
<div role="listitem" id="listitem"><span title="foo" id="inner">inner</span>item</div>
</div>
<span role="button">button1</span><span role="button" id="btn">button2</span>
<span role="textbox">textbox1</span><span role="textbox" id="txt">textbox2</span>
<div id="outofflow" style="width: 10px; height: 10px; position: absolute; left: 0px; top: 0px; background-color: yellow;">
</div>
<div id="area" style="width: 100px; height: 100px; background-color: blue;"></div>
<map name="atoz_map">
coords="0,0,15,15" alt="thelettera" shape="rect"/>
</map>
<div id="container">
<img id="imgmap" width="447" height="15" usemap="#atoz_map" src="http://example.com/a11y/accessible/tests/mochitest/letters.gif"/>
</div>
<div id="container2" style="width: 0px">
<input id="container2_input">
</div>
<table id="table" border>
<tr id="row">
<td id="cell1">hello</td>
<td id="cell2">world</td>
</tr>
</table>
<div id="containerWithInaccessibleChild">
<p>hi</p>
<p aria-hidden="true">hi</p>
<p id="containerWithInaccessibleChild_p2">bye</p>
</div>
<p id="wrappedTextLinkFirstP" style="width: 3ch; font-family: monospace;">
</p>
<p id="wrappedTextLeafFirstP" style="width: 3ch; font-family: monospace;">
</p>
<p id="imageP">
</p>
<map id="0Area">
<area shape="rect">
</map>
<p id="mapWith0AreaP">
<img id="mapWith0Area" src="http://example.com/a11y/accessible/tests/mochitest/letters.gif" usemap="#0Area">
</p>
`,
runTests,
{
iframe: true,
remoteIframe: true,
// Ensure that all hittest elements are in view.
iframeAttrs: { style: "width: 600px; height: 600px; padding: 10px;" },
}
);
addAccessibleTask(
`
<div id="container">
<h1 id="a">A</h1><h1 id="b">B</h1>
</div>
`,
async function (browser, accDoc) {
const a = findAccessibleChildByID(accDoc, "a");
const b = findAccessibleChildByID(accDoc, "b");
const dpr = await getContentDPR(browser);
// eslint-disable-next-line no-unused-vars
const [x, y, w, h] = Layout.getBounds(a, dpr);
// The point passed below will be made relative to `b`, but
// we'd like to test a point within `a`. Pass `a`s negative
// width for an x offset. Pass zero as a y offset,
// assuming the headings are on the same line.
await testChildAtPoint(dpr, -w, 0, b, null, null);
},
{
iframe: true,
remoteIframe: true,
// Ensure that all hittest elements are in view.
iframeAttrs: { style: "width: 600px; height: 600px; padding: 10px;" },
}
);
addAccessibleTask(
`
<style>
div {
width: 50px;
height: 50px;
position: relative;
}
div > div {
width: 30px;
height: 30px;
position: absolute;
opacity: 0.9;
}
</style>
<div id="a" style="background-color: orange;">
<div id="aa" style="background-color: purple;"></div>
</div>
<div id="b" style="background-color: yellowgreen;">
<div id="bb" style="top: -30px; background-color: turquoise"></div>
</div>`,
async function (browser, accDoc) {
const a = findAccessibleChildByID(accDoc, "a");
const aa = findAccessibleChildByID(accDoc, "aa");
const dpr = await getContentDPR(browser);
const [, , w, h] = Layout.getBounds(a, dpr);
// test upper left of `a`
await testChildAtPoint(dpr, 1, 1, a, aa, aa);
// test upper right of `a`
await testChildAtPoint(dpr, w - 1, 1, a, a, a);
// test just outside upper left of `a`
await testChildAtPoint(dpr, 1, -1, a, null, null);
// test halfway down/left of `a`
await testChildAtPoint(dpr, 1, Math.round(h / 2), a, a, a);
},
{
chrome: true,
topLevel: true,
iframe: false,
remoteIframe: false,
// Ensure that all hittest elements are in view.
iframeAttrs: { style: "width: 600px; height: 600px; padding: 10px;" },
}
);
/**
* Verify that hit testing returns the proper accessible when one acc content
* is partially hidden due to overflow:hidden;
*/
addAccessibleTask(
`
<style>
div div {
overflow: hidden;
font-family: monospace;
width: 2ch;
}
</style>
<div id="container" style="display: flex; flex-direction: row-reverse;">
<div id="aNode">abcde</div><div id="fNode">fghij</div>
</div>`,
async function (browser, docAcc) {
const container = findAccessibleChildByID(docAcc, "container");
const aNode = findAccessibleChildByID(docAcc, "aNode");
const fNode = findAccessibleChildByID(docAcc, "fNode");
const dpr = await getContentDPR(browser);
const [, , containerWidth] = Layout.getBounds(container, dpr);
const [, , aNodeWidth] = Layout.getBounds(aNode, dpr);
await testChildAtPoint(
dpr,
containerWidth - 1,
1,
container,
aNode,
aNode.firstChild
);
await testChildAtPoint(
dpr,
containerWidth - aNodeWidth - 1,
1,
container,
fNode,
fNode.firstChild
);
},
{ chrome: true, iframe: true, remoteIframe: true }
);
/**
* Verify that hit testing is appropriately fuzzy when working with generics.
* If we match on a generic which contains additional generics and a single text
* leaf, we should return the text leaf as the deepest match instead of the
* generic itself.
*/
addAccessibleTask(
`
<a href="example.com" id="link">
<span style="overflow:hidden;" id="generic"><span aria-hidden="true" id="visible">I am some visible text</span><span id="invisible" style="overflow:hidden; height: 1px; width: 1px; position:absolute; clip: rect(0 0 0 0); display:block;">I am some invisible text</span></span>
</a>`,
async function (browser, docAcc) {
const link = findAccessibleChildByID(docAcc, "link");
const generic = findAccessibleChildByID(docAcc, "generic");
const invisible = findAccessibleChildByID(docAcc, "invisible");
const dpr = await getContentDPR(browser);
await testChildAtPoint(
dpr,
1,
1,
link,
generic, // Direct Child
invisible.firstChild // Deepest Child
);
await testOffsetAtPoint(
findAccessibleChildByID(docAcc, "invisible", [Ci.nsIAccessibleText]),
1,
1,
COORDTYPE_PARENT_RELATIVE,
0
);
},
{ chrome: false, iframe: true, remoteIframe: true }
);
/**
* Verify that hit testing is appropriately fuzzy when working with generics with siblings.
* We should return the deepest text leaf as the deepest match instead of the generic itself.
*/
addAccessibleTask(
`
<div id="generic"><span aria-hidden="true" id="visible">Mozilla</span><span id="invisible" style="display: block !important;border: 0 !important;clip: rect(0 0 0 0) !important;height: 1px !important;margin: -1px !important;overflow: hidden !important;padding: 0 !important;position: absolute !important;white-space: nowrap !important;width: 1px !important;">hello world<br><div id="extraContainer">Mozilla</div></span><br>I am some other text</div>`,
async function (browser, docAcc) {
const generic = findAccessibleChildByID(docAcc, "generic");
const invisible = findAccessibleChildByID(docAcc, "invisible");
const dpr = await getContentDPR(browser);
await testChildAtPoint(
dpr,
1,
1,
generic,
invisible, // Direct Child
invisible.firstChild // Deepest Child
);
},
{ chrome: false, iframe: true, remoteIframe: true }
);
/**
* Verify that hit testing correctly ignores
* elements with pointer-events: none;
*/
addAccessibleTask(
`<div id="container" style="position:relative;"><button id="obscured">click me</button><div id="overlay" style="pointer-events:none; top:0; bottom:0; left:0; right:0; position: absolute;"></div></div><button id="clickable">I am clickable</button>`,
async function (browser, docAcc) {
const container = findAccessibleChildByID(docAcc, "container");
const obscured = findAccessibleChildByID(docAcc, "obscured");
const clickable = findAccessibleChildByID(docAcc, "clickable");
const dpr = await getContentDPR(browser);
let [targetX, targetY, targetW, targetH] = Layout.getBounds(obscured, dpr);
const [x, y] = Layout.getBounds(docAcc, dpr);
await testChildAtPoint(
dpr,
targetX - x + targetW / 2,
targetY - y + targetH / 2,
docAcc,
container, // Direct Child
obscured // Deepest Child
);
[targetX, targetY, targetW, targetH] = Layout.getBounds(clickable, dpr);
await testChildAtPoint(
dpr,
targetX - x + targetW / 2,
targetY - y + targetH / 2,
docAcc,
clickable, // Direct Child
clickable // Deepest Child
);
},
{ chrome: false, iframe: true, remoteIframe: true }
);