Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test gets skipped with pattern: os != 'mac' OR os == 'mac'
- Manifest: accessible/tests/browser/mac/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";
/* import-globals-from ../../mochitest/role.js */
/* import-globals-from ../../mochitest/states.js */
loadScripts(
{ name: "role.js", dir: MOCHITESTS_DIR },
{ name: "states.js", dir: MOCHITESTS_DIR }
);
function testValueChangedEventData(
macIface,
data,
expectedId,
expectedChangeValue,
expectedEditType,
expectedWordAtLeft
) {
is(
data.AXTextChangeElement.getAttributeValue("AXDOMIdentifier"),
expectedId,
"Correct AXTextChangeElement"
);
is(
data.AXTextStateChangeType,
AXTextStateChangeTypeEdit,
"Correct AXTextStateChangeType"
);
let changeValues = data.AXTextChangeValues;
is(changeValues.length, 1, "One element in AXTextChangeValues");
is(
changeValues[0].AXTextChangeValue,
expectedChangeValue,
"Correct AXTextChangeValue"
);
is(
changeValues[0].AXTextEditType,
expectedEditType,
"Correct AXTextEditType"
);
let textMarker = changeValues[0].AXTextChangeValueStartMarker;
ok(textMarker, "There is a AXTextChangeValueStartMarker");
let range = macIface.getParameterizedAttributeValue(
"AXLeftWordTextMarkerRangeForTextMarker",
textMarker
);
let str = macIface.getParameterizedAttributeValue(
"AXStringForTextMarkerRange",
range,
"correct word before caret"
);
is(str, expectedWordAtLeft);
}
// Return true if the first given object a subset of the second
function isSubset(subset, superset) {
if (typeof subset != "object" || typeof superset != "object") {
return superset == subset;
}
for (let [prop, val] of Object.entries(subset)) {
if (!isSubset(val, superset[prop])) {
return false;
}
}
return true;
}
function matchWebArea(expectedId, expectedInfo) {
return (iface, data) => {
if (!data) {
return false;
}
let textChangeElemID =
data.AXTextChangeElement.getAttributeValue("AXDOMIdentifier");
return (
iface.getAttributeValue("AXRole") == "AXWebArea" &&
textChangeElemID == expectedId &&
isSubset(expectedInfo, data)
);
};
}
function matchInput(expectedId, expectedInfo) {
return (iface, data) => {
if (!data) {
return false;
}
return (
iface.getAttributeValue("AXDOMIdentifier") == expectedId &&
isSubset(expectedInfo, data)
);
};
}
async function synthKeyAndTestSelectionChanged(
synthKey,
synthEvent,
expectedId,
expectedSelectionString,
expectedSelectionInfo
) {
let selectionChangedEvents = Promise.all([
waitForMacEventWithInfo(
"AXSelectedTextChanged",
matchWebArea(expectedId, expectedSelectionInfo)
),
waitForMacEventWithInfo(
"AXSelectedTextChanged",
matchInput(expectedId, expectedSelectionInfo)
),
]);
EventUtils.synthesizeKey(synthKey, synthEvent);
let [webareaEvent, inputEvent] = await selectionChangedEvents;
is(
inputEvent.data.AXTextChangeElement.getAttributeValue("AXDOMIdentifier"),
expectedId,
"Correct AXTextChangeElement"
);
let rangeString = inputEvent.macIface.getParameterizedAttributeValue(
"AXStringForTextMarkerRange",
inputEvent.data.AXSelectedTextMarkerRange
);
is(
rangeString,
expectedSelectionString,
`selection has correct value (${expectedSelectionString})`
);
is(
webareaEvent.macIface.getAttributeValue("AXDOMIdentifier"),
"body",
"Input event target is top-level WebArea"
);
rangeString = webareaEvent.macIface.getParameterizedAttributeValue(
"AXStringForTextMarkerRange",
inputEvent.data.AXSelectedTextMarkerRange
);
is(
rangeString,
expectedSelectionString,
`selection has correct value (${expectedSelectionString}) via top document`
);
return inputEvent;
}
function testSelectionEventLeftChar(event, expectedChar) {
const selStart = event.macIface.getParameterizedAttributeValue(
"AXStartTextMarkerForTextMarkerRange",
event.data.AXSelectedTextMarkerRange
);
const selLeft = event.macIface.getParameterizedAttributeValue(
"AXPreviousTextMarkerForTextMarker",
selStart
);
const leftCharRange = event.macIface.getParameterizedAttributeValue(
"AXTextMarkerRangeForUnorderedTextMarkers",
[selLeft, selStart]
);
const leftCharString = event.macIface.getParameterizedAttributeValue(
"AXStringForTextMarkerRange",
leftCharRange
);
is(leftCharString, expectedChar, "Left character is correct");
}
function testSelectionEventLine(event, expectedLine) {
const selStart = event.macIface.getParameterizedAttributeValue(
"AXStartTextMarkerForTextMarkerRange",
event.data.AXSelectedTextMarkerRange
);
const lineRange = event.macIface.getParameterizedAttributeValue(
"AXLineTextMarkerRangeForTextMarker",
selStart
);
const lineString = event.macIface.getParameterizedAttributeValue(
"AXStringForTextMarkerRange",
lineRange
);
is(lineString, expectedLine, "Line is correct");
}
async function synthKeyAndTestValueChanged(
synthKey,
synthEvent,
expectedId,
expectedTextSelectionId,
expectedChangeValue,
expectedEditType,
expectedWordAtLeft
) {
let valueChangedEvents = Promise.all([
waitForMacEvent(
"AXSelectedTextChanged",
matchWebArea(expectedTextSelectionId, {
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
})
),
waitForMacEvent(
"AXSelectedTextChanged",
matchInput(expectedTextSelectionId, {
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
})
),
waitForMacEventWithInfo(
"AXValueChanged",
matchWebArea(expectedId, {
AXTextStateChangeType: AXTextStateChangeTypeEdit,
AXTextChangeValues: [
{
AXTextChangeValue: expectedChangeValue,
AXTextEditType: expectedEditType,
},
],
})
),
waitForMacEventWithInfo(
"AXValueChanged",
matchInput(expectedId, {
AXTextStateChangeType: AXTextStateChangeTypeEdit,
AXTextChangeValues: [
{
AXTextChangeValue: expectedChangeValue,
AXTextEditType: expectedEditType,
},
],
})
),
]);
EventUtils.synthesizeKey(synthKey, synthEvent);
let [, , webareaEvent, inputEvent] = await valueChangedEvents;
testValueChangedEventData(
webareaEvent.macIface,
webareaEvent.data,
expectedId,
expectedChangeValue,
expectedEditType,
expectedWordAtLeft
);
testValueChangedEventData(
inputEvent.macIface,
inputEvent.data,
expectedId,
expectedChangeValue,
expectedEditType,
expectedWordAtLeft
);
}
async function focusIntoInput(accDoc, inputId, innerContainerId) {
let selectionId = innerContainerId ? innerContainerId : inputId;
let input = getNativeInterface(accDoc, inputId);
ok(!input.getAttributeValue("AXFocused"), "input is not focused");
ok(input.isAttributeSettable("AXFocused"), "input is focusable");
let events = Promise.all([
waitForMacEvent(
"AXFocusedUIElementChanged",
iface => iface.getAttributeValue("AXDOMIdentifier") == inputId
),
waitForMacEventWithInfo(
"AXSelectedTextChanged",
matchWebArea(selectionId, {
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
})
),
waitForMacEventWithInfo(
"AXSelectedTextChanged",
matchInput(selectionId, {
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
})
),
]);
input.setAttributeValue("AXFocused", true);
await events;
}
async function focusIntoInputAndType(accDoc, inputId, innerContainerId) {
let selectionId = innerContainerId ? innerContainerId : inputId;
await focusIntoInput(accDoc, inputId, innerContainerId);
async function testTextInput(
synthKey,
expectedChangeValue,
expectedWordAtLeft
) {
await synthKeyAndTestValueChanged(
synthKey,
null,
inputId,
selectionId,
expectedChangeValue,
AXTextEditTypeTyping,
expectedWordAtLeft
);
}
await testTextInput("h", "h", "h");
await testTextInput("e", "e", "he");
await testTextInput("l", "l", "hel");
await testTextInput("l", "l", "hell");
await testTextInput("o", "o", "hello");
await testTextInput(" ", " ", "hello");
// You would expect this to be useless but this is what VO
// consumes. I guess it concats the inserted text data to the
// word to the left of the marker.
await testTextInput("w", "w", " ");
await testTextInput("o", "o", "wo");
await testTextInput("r", "r", "wor");
await testTextInput("l", "l", "worl");
await testTextInput("d", "d", "world");
async function testTextDelete(expectedChangeValue, expectedWordAtLeft) {
await synthKeyAndTestValueChanged(
"KEY_Backspace",
null,
inputId,
selectionId,
expectedChangeValue,
AXTextEditTypeDelete,
expectedWordAtLeft
);
}
await testTextDelete("d", "worl");
await testTextDelete("l", "wor");
await synthKeyAndTestSelectionChanged(
"KEY_ArrowLeft",
null,
selectionId,
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionPrevious,
AXTextSelectionGranularity: AXTextSelectionGranularityCharacter,
}
);
await synthKeyAndTestSelectionChanged(
"KEY_ArrowLeft",
{ shiftKey: true },
selectionId,
"o",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionExtend,
AXTextSelectionDirection: AXTextSelectionDirectionPrevious,
AXTextSelectionGranularity: AXTextSelectionGranularityCharacter,
}
);
await synthKeyAndTestSelectionChanged(
"KEY_ArrowLeft",
{ shiftKey: true },
selectionId,
"wo",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionExtend,
AXTextSelectionDirection: AXTextSelectionDirectionPrevious,
AXTextSelectionGranularity: AXTextSelectionGranularityCharacter,
}
);
await synthKeyAndTestSelectionChanged(
"KEY_ArrowLeft",
null,
selectionId,
"",
{ AXTextStateChangeType: AXTextStateChangeTypeSelectionMove }
);
await synthKeyAndTestSelectionChanged(
"KEY_ArrowLeft",
{ shiftKey: true, metaKey: true },
selectionId,
"hello ",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionExtend,
AXTextSelectionDirection: AXTextSelectionDirectionBeginning,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
await synthKeyAndTestSelectionChanged(
"KEY_ArrowLeft",
null,
selectionId,
"",
{ AXTextStateChangeType: AXTextStateChangeTypeSelectionMove }
);
await synthKeyAndTestSelectionChanged(
"KEY_ArrowRight",
{ shiftKey: true, altKey: true },
selectionId,
"hello",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionExtend,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityWord,
}
);
}
// Test text input
addAccessibleTask(
`<a href="#">link</a> <input id="input">`,
async (browser, accDoc) => {
await focusIntoInputAndType(accDoc, "input");
},
{ topLevel: true, iframe: true, remoteIframe: true }
);
// Test content editable
addAccessibleTask(
`<div id="input" contentEditable="true" tabindex="0" role="textbox" aria-multiline="true"><div id="inner"><br /></div></div>`,
async (browser, accDoc) => {
const inner = getNativeInterface(accDoc, "inner");
const editableAncestor = inner.getAttributeValue("AXEditableAncestor");
is(
editableAncestor.getAttributeValue("AXDOMIdentifier"),
"input",
"Editable ancestor is input"
);
await focusIntoInputAndType(accDoc, "input");
}
);
// Test input that gets role::EDITCOMBOBOX
addAccessibleTask(`<input type="text" id="box">`, async (browser, accDoc) => {
const box = getNativeInterface(accDoc, "box");
const editableAncestor = box.getAttributeValue("AXEditableAncestor");
is(
editableAncestor.getAttributeValue("AXDOMIdentifier"),
"box",
"Editable ancestor is box itself"
);
await focusIntoInputAndType(accDoc, "box");
});
// Test multiline caret control in a text area
addAccessibleTask(
`<textarea id="input" cols="15">one two three four five six seven eight</textarea>`,
async (browser, accDoc) => {
await focusIntoInput(accDoc, "input");
await synthKeyAndTestSelectionChanged("KEY_ArrowRight", null, "input", "", {
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityCharacter,
});
await synthKeyAndTestSelectionChanged("KEY_ArrowDown", null, "input", "", {
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
});
await synthKeyAndTestSelectionChanged(
"KEY_ArrowLeft",
{ metaKey: true },
"input",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionBeginning,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
await synthKeyAndTestSelectionChanged(
"KEY_ArrowRight",
{ metaKey: true },
"input",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionEnd,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
},
{ topLevel: true, iframe: true, remoteIframe: true }
);
/**
* Test that the caret returns the correct marker when it is positioned after
* the last character (to facilitate appending text).
*/
addAccessibleTask(
`<input id="input" value="abc">`,
async function (browser, docAcc) {
await focusIntoInput(docAcc, "input");
let event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowRight",
null,
"input",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityCharacter,
}
);
testSelectionEventLeftChar(event, "a");
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowRight",
null,
"input",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityCharacter,
}
);
testSelectionEventLeftChar(event, "b");
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowRight",
null,
"input",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityCharacter,
}
);
testSelectionEventLeftChar(event, "c");
},
{ chrome: true, topLevel: true }
);
/**
* Test that the caret returns the correct line when the caret is at the start
* of the line.
*/
addAccessibleTask(
`
<textarea id="hard">ab
cd
ef
gh
</textarea>
<div role="textbox" id="wrapped" contenteditable style="width: 1ch;">a b c</div>
`,
async function (browser, docAcc) {
let hard = getNativeInterface(docAcc, "hard");
await focusIntoInput(docAcc, "hard");
is(hard.getAttributeValue("AXInsertionPointLineNumber"), 0);
let event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowDown",
null,
"hard",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
testSelectionEventLine(event, "cd");
is(hard.getAttributeValue("AXInsertionPointLineNumber"), 1);
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowDown",
null,
"hard",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
testSelectionEventLine(event, "ef");
is(hard.getAttributeValue("AXInsertionPointLineNumber"), 2);
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowDown",
null,
"hard",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
testSelectionEventLine(event, "");
is(hard.getAttributeValue("AXInsertionPointLineNumber"), 3);
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowDown",
null,
"hard",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
testSelectionEventLine(event, "gh");
is(hard.getAttributeValue("AXInsertionPointLineNumber"), 4);
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowDown",
null,
"hard",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
testSelectionEventLine(event, "");
is(hard.getAttributeValue("AXInsertionPointLineNumber"), 5);
let wrapped = getNativeInterface(docAcc, "wrapped");
await focusIntoInput(docAcc, "wrapped");
is(wrapped.getAttributeValue("AXInsertionPointLineNumber"), 0);
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowDown",
null,
"wrapped",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
testSelectionEventLine(event, "b ");
is(wrapped.getAttributeValue("AXInsertionPointLineNumber"), 1);
event = await synthKeyAndTestSelectionChanged(
"KEY_ArrowDown",
null,
"wrapped",
"",
{
AXTextStateChangeType: AXTextStateChangeTypeSelectionMove,
AXTextSelectionDirection: AXTextSelectionDirectionNext,
AXTextSelectionGranularity: AXTextSelectionGranularityLine,
}
);
testSelectionEventLine(event, "c");
is(wrapped.getAttributeValue("AXInsertionPointLineNumber"), 2);
},
{ chrome: true, topLevel: true }
);