/* 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/. */
/** * Test data has the format of: * { * desc {String} description for better logging * expected {Array} expected states for a given accessible that have the * following format: * [ * expected state, * expected extra state, * absent state, * absent extra state * ] * attrs {?Array} an optional list of attributes to update * }
*/
// State caching tests for attribute changes const attributeTests = [
{
desc: "Checkbox with @checked attribute set to true should have checked " + "state",
attrs: [
{
attr: "checked",
value: "true",
},
],
expected: [STATE_CHECKED, 0],
},
{
desc: "Checkbox with no @checked attribute should not have checked state",
attrs: [
{
attr: "checked",
},
],
expected: [0, 0, STATE_CHECKED],
},
];
// State caching tests for ARIA changes const ariaTests = [
{
desc: "File input has busy state when @aria-busy attribute is set to true",
attrs: [
{
attr: "aria-busy",
value: "true",
},
],
expected: [STATE_BUSY, 0, STATE_REQUIRED | STATE_INVALID],
},
{
desc: "File input has required state when @aria-required attribute is set " + "to true",
attrs: [
{
attr: "aria-required",
value: "true",
},
],
expected: [STATE_REQUIRED, 0, STATE_INVALID],
},
{
desc: "File input has invalid state when @aria-invalid attribute is set to " + "true",
attrs: [
{
attr: "aria-invalid",
value: "true",
},
],
expected: [STATE_INVALID, 0],
},
];
// Extra state caching tests const extraStateTests = [
{
desc: "Input has no extra enabled state when aria and native disabled " + "attributes are set at once",
attrs: [
{
attr: "aria-disabled",
value: "true",
},
{
attr: "disabled",
value: "true",
},
],
expected: [0, 0, 0, EXT_STATE_ENABLED],
},
{
desc: "Input has an extra enabled state when aria and native disabled " + "attributes are unset at once",
attrs: [
{
attr: "aria-disabled",
},
{
attr: "disabled",
},
],
expected: [0, EXT_STATE_ENABLED],
},
];
async function runStateTests(browser, accDoc, id, tests) {
let acc = findAccessibleChildByID(accDoc, id); for (let { desc, attrs, expected } of tests) { const [expState, expExtState, absState, absExtState] = expected;
info(desc);
let onUpdate = waitForEvent(EVENT_STATE_CHANGE, evt => { if (getAccessibleDOMNodeID(evt.accessible) != id) { returnfalse;
} // Events can be fired for states other than the ones we're interested // in. If this happens, the states we're expecting might not be exposed // yet. const scEvt = evt.QueryInterface(nsIAccessibleStateChangeEvent); if (scEvt.isExtraState) { if (scEvt.state & expExtState || scEvt.state & absExtState) { returntrue;
} returnfalse;
} return scEvt.state & expState || scEvt.state & absState;
}); for (let { attr, value } of attrs) {
await invokeSetAttribute(browser, id, attr, value);
}
await onUpdate;
testStates(acc, ...expected);
}
}
/** * Test that the document initially gets the focused state. * We can't do this in the test above because that test runs in iframes as well * as a top level document.
*/
addAccessibleTask(
`
<button id="b1">b1</button>
<button id="b2">b2</button>
`,
async function (browser, docAcc) {
testStates(docAcc, STATE_FOCUSED);
}
);
/** * Test caching of the focused state in iframes.
*/
addAccessibleTask(
`
<button id="button">button</button>
`,
async function (browser, iframeDocAcc, topDocAcc) {
testStates(topDocAcc, STATE_FOCUSED); const button = findAccessibleChildByID(iframeDocAcc, "button");
testStates(button, 0, 0, STATE_FOCUSED);
let focused = waitForEvent(EVENT_FOCUS, button);
info("Focusing button in iframe");
button.takeFocus();
await focused;
testStates(topDocAcc, 0, 0, STATE_FOCUSED);
testStates(button, STATE_FOCUSED);
},
{ topLevel: false, iframe: true, remoteIframe: true }
);
/** * Test caching of the focusable state in iframes which are initially visibility: hidden.
*/
addAccessibleTask(
`
<button id="button"></button>
<span id="span" tabindex="-1">span</span>`,
async function (browser, topDocAcc) {
info("Changing visibility on iframe");
let reordered = waitForEvent(EVENT_REORDER, topDocAcc);
await SpecialPowers.spawn(browser, [DEFAULT_IFRAME_ID], iframeId => {
content.document.getElementById(iframeId).style.visibility = "";
});
await reordered; // The iframe doc a11y tree might not be built yet. const iframeDoc = await TestUtils.waitForCondition(() =>
findAccessibleChildByID(topDocAcc, DEFAULT_IFRAME_DOC_BODY_ID)
); // Log/verify whether this is an in-process or OOP iframe.
await comparePIDs(browser, gIsRemoteIframe); const button = findAccessibleChildByID(iframeDoc, "button");
testStates(button, STATE_FOCUSABLE); const span = findAccessibleChildByID(iframeDoc, "span");
ok(span, "span Accessible exists");
testStates(span, STATE_FOCUSABLE);
},
{
topLevel: false,
iframe: true,
remoteIframe: true,
iframeAttrs: { style: "visibility: hidden;" },
skipFissionDocLoad: true,
}
);
function checkOpacity(acc, present) {
let [, extraState] = getStates(acc);
let currOpacity = extraState & EXT_STATE_OPAQUE; return present ? currOpacity : !currOpacity;
}
/** * Test caching of the OPAQUE1 state.
*/
addAccessibleTask(
`
<div id="div">hello world</div>
`,
async function (browser, docAcc) { const div = findAccessibleChildByID(docAcc, "div");
await untilCacheOk(() => checkOpacity(div, true), "Found opaque state");
await invokeContentTask(browser, [], () => {
let elm = content.document.getElementById("div");
elm.style = "opacity: 0.4;";
elm.offsetTop; // Flush layout.
});
/** * Test caching of the editable state.
*/
addAccessibleTask(
`
<div id="div" contenteditable><p id="p">hello</p></div>
<input id="input">
`,
async function (browser, docAcc) { const div = findAccessibleChildByID(docAcc, "div"); const p = findAccessibleChildByID(docAcc, "p");
testStates(div, 0, EXT_STATE_EDITABLE, 0, 0);
testStates(p, 0, EXT_STATE_EDITABLE, 0, 0); // Ensure that a contentEditable descendant doesn't cause editable to be // exposed on the document.
testStates(docAcc, STATE_READONLY, 0, 0, EXT_STATE_EDITABLE);
/** * Test caching of the stale and busy states.
*/
addAccessibleTask(
`<iframe id="iframe"></iframe>`,
async function (browser, docAcc) { const iframe = findAccessibleChildByID(docAcc, "iframe");
info("Setting iframe src"); // This iframe won't finish loading. Thus, it will get the stale state and // won't fire a document load complete event. We use the reorder event on // the iframe to know when the document has been created.
let reordered = waitForEvent(EVENT_REORDER, iframe);
await invokeContentTask(browser, [], () => {
content.document.getElementById("iframe").src = 'data:text/html,';
}); const iframeDoc = (await reordered).accessible.firstChild;
testStates(iframeDoc, STATE_BUSY, EXT_STATE_STALE, 0, 0);
const toggle5 = findAccessibleChildByID(docAcc, "toggle5"); // toggle5 is inside the shadow DOM and popover1 is outside, so the target // is valid.
testStates(toggle5, STATE_COLLAPSED);
// Changes to the popover should fire events on all invokers. const changeEvents = [
[EVENT_STATE_CHANGE, toggle1],
[EVENT_STATE_CHANGE, toggle2],
[EVENT_STATE_CHANGE, toggle5],
];
info("Showing popover1");
changed = waitForEvents(changeEvents);
toggle1.doAction(0);
await changed;
testStates(toggle1, STATE_EXPANDED);
testStates(toggle2, STATE_EXPANDED);
// Test a control that is initially enabled. const enabled = findAccessibleChildByID(docAcc, "enabled");
testStates(enabled, 0, 0, STATE_UNAVAILABLE);
},
{ chrome: true, topLevel: true }
);
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