input-events-typing.html

<!DOCTYPE html>

<meta charset="utf-8">

<title>Input Event typing tests</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<script src="/resources/testdriver-actions.js"></script>

<div id="rich" contenteditable></div>

<textarea id="plain"></textarea>

<script>

let inputEventsLog = [];

const rich = document.getElementById('rich');

const plain = document.getElementById('plain');

function log(event) {

    const clone = new event.constructor(event.type, event);

    clone.state = rich.innerHTML;

    inputEventsLog.push(clone);

function resetRich() {

    inputEventsLog = [];

    rich.innerHTML = '';

rich.addEventListener('beforeinput', log);

rich.addEventListener('input', log);

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.focus();

    const message = 'Hello';

    await test_driver.send_keys(rich, message);

    // 10 events (5 beforeinput + 5 input events)

    assert_equals(inputEventsLog.length, 10);

    for (let i = 0; i < inputEventsLog.length; i += 2) {

        const beforeInputEvent = inputEventsLog[i];

        const inputEvent = inputEventsLog[i + 1];

        assert_equals(beforeInputEvent.type, 'beforeinput');

        assert_equals(inputEvent.type, 'input');

        assert_equals(beforeInputEvent.inputType, 'insertText');

        assert_equals(inputEvent.inputType, 'insertText');

        assert_equals(beforeInputEvent.data, inputEvent.data);

        assert_equals(inputEvent.data, message[i / 2]);

        assert_equals(beforeInputEvent.state + message[i / 2], inputEvent.state);

}, 'It triggers beforeinput and input events on text typing');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.focus();

    await test_driver.send_keys(rich, "\uE006"); // Return

    assert_equals(inputEventsLog.length, 2);

    const beforeInputEvent = inputEventsLog[0];

    const inputEvent = inputEventsLog[1];

    assert_equals(beforeInputEvent.type, 'beforeinput');

    assert_equals(inputEvent.type, 'input');

    assert_equals(beforeInputEvent.inputType, 'insertParagraph');

    assert_equals(inputEvent.inputType, 'insertParagraph');

    assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing RETURN');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.focus();

    await new test_driver.Actions()

        .keyDown('\uE008') // Shift

        .keyDown('\uE006') // Return

        .keyUp('\uE006')

        .keyUp('\uE008')

        .send();

    assert_equals(inputEventsLog.length, 2);

    const [beforeInputEvent, inputEvent] = inputEventsLog;

    assert_equals(beforeInputEvent.type, 'beforeinput');

    assert_equals(inputEvent.type, 'input');

    assert_equals(beforeInputEvent.inputType, 'insertLineBreak');

    assert_equals(inputEvent.inputType, 'insertLineBreak');

    assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing Shift+RETURN');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.innerHTML = '<p>Preexisting <i id="caret">c</i>ontent</p>';

    const caret = document.querySelector('#caret');

    await test_driver.click(caret);

    await test_driver.send_keys(caret, "\uE017"); // Delete

    assert_equals(inputEventsLog.length, 2);

    const [beforeInputEvent, inputEvent] = inputEventsLog;

    assert_equals(beforeInputEvent.type, 'beforeinput');

    assert_equals(inputEvent.type, 'input');

    assert_equals(beforeInputEvent.inputType, 'deleteContentForward');

    assert_equals(inputEvent.inputType, 'deleteContentForward');

    assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing DELETE with pre-existing content');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.focus();

    await test_driver.send_keys(rich, "\uE017"); // Delete

    assert_equals(inputEventsLog.length, 2);

    const [beforeInputEvent, inputEvent] = inputEventsLog;

    assert_equals(beforeInputEvent.type, 'beforeinput');

    assert_equals(inputEvent.type, 'input');

    assert_equals(beforeInputEvent.inputType, 'deleteContentForward');

    assert_equals(inputEvent.inputType, 'deleteContentForward');

    assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing DELETE with no pre-existing content');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.innerHTML = '<p>Preexisting <i id="caret">c</i>ontent</p>';

    await test_driver.click(document.querySelector('#caret'));

    await test_driver.send_keys(rich, "\uE003"); // Back Space

    assert_equals(inputEventsLog.length, 2);

    const [beforeInputEvent, inputEvent] = inputEventsLog;

    assert_equals(beforeInputEvent.type, 'beforeinput');

    assert_equals(inputEvent.type, 'input');

    assert_equals(beforeInputEvent.inputType, 'deleteContentBackward');

    assert_equals(inputEvent.inputType, 'deleteContentBackward');

    assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing BACK_SPACE with pre-existing content');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.focus();

    await test_driver.send_keys(rich, "\uE003"); // Back Space

    assert_equals(inputEventsLog.length, 2);

    const [beforeInputEvent, inputEvent] = inputEventsLog;

    assert_equals(beforeInputEvent.type, 'beforeinput');

    assert_equals(inputEvent.type, 'input');

    assert_equals(beforeInputEvent.inputType, 'deleteContentBackward');

    assert_equals(inputEvent.inputType, 'deleteContentBackward');

    assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing BACK_SPACE with no pre-existing content');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.focus();

    await test_driver.send_keys(rich, "hello");

    // Decide whether to use  Key.COMMAND (mac) or Key.CONTROL (everything else)

    const modifierKey = navigator.platform === "MacIntel" ? '\u2318' : '\uE009';

    // Undo

    await new test_driver.Actions()

        .keyDown(modifierKey)

        .keyDown('z')

        .keyUp('z')

        .keyUp(modifierKey)

        .send();

    // Redo

    await new test_driver.Actions()

        .keyDown(modifierKey)

        .keyDown('\uE008') // Shift

        .keyDown('z')

        .keyUp('z')

        .keyUp('\uE008')

        .keyUp(modifierKey)

        .send();

    // Ignore the initial typing of 'hello'

    const historyInputEventsLog = inputEventsLog.slice(10);

    assert_equals(historyInputEventsLog.length, 4);

    const inputTypes = ['historyUndo', 'historyRedo'];

    for (let i = 0; i < historyInputEventsLog.length; i += 2) {

        // We are increaisng i by 2 as there should always be matching beforeinput and input events.

        const beforeInputEvent = historyInputEventsLog[i];

        const inputEvent = historyInputEventsLog[i + 1];

        assert_equals(beforeInputEvent.type, 'beforeinput');

        assert_equals(inputEvent.type, 'input');

        assert_equals(beforeInputEvent.inputType, inputTypes[i / 2]);

        assert_equals(inputEvent.inputType, inputTypes[i / 2]);

        assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing Undo and Redo key combinations with an existing history');

promise_test(async function() {

    this.add_cleanup(resetRich);

    rich.focus();

    // Decide whether to use  Key.COMMAND (mac) or Key.CONTROL (everything else)

    const modifierKey = navigator.platform === "MacIntel" ? '\u2318' : '\uE009';

    // Undo

    await new test_driver.Actions()

        .keyDown(modifierKey)

        .keyDown('z')

        .keyUp('z')

        .keyUp(modifierKey)

        .send();

    // Redo

    await new test_driver.Actions()

        .keyDown(modifierKey)

        .keyDown('\uE008') // Shift

        .keyDown('z')

        .keyUp('z')

        .keyUp('\uE008')

        .keyUp(modifierKey)

        .send();

    assert_equals(inputEventsLog.length, 4);

    const inputTypes = ['historyUndo', 'historyRedo'];

    for (let i = 0; i < inputEventsLog.length; i += 2) {

        const beforeInputEvent = inputEventsLog[i];

        const inputEvent = inputEventsLog[i + 1];

        assert_equals(beforeInputEvent.type, 'beforeinput');

        assert_equals(inputEvent.type, 'input');

        assert_equals(beforeInputEvent.inputType, inputTypes[i / 2]);

        assert_equals(inputEvent.inputType, inputTypes[i / 2]);

        assert_equals(beforeInputEvent.data, inputEvent.data);

}, 'It triggers beforeinput and input events on typing Undo and Redo key combinations without an existing history');

promise_test(async function() {

    this.add_cleanup(resetRich);

    const expectedResult = [

        // Pressing 'a'.

        'plain-keydown-a',

        'plain-keypress-a',

        'plain-beforeinput-a-null',

        'plain-input-a-null',

        'plain-keyup-a',

        // Pressing Shift-'b'.

        'plain-keydown-B',

        'plain-keypress-B',

        'plain-beforeinput-B-null',

        'plain-input-B-null',

        'plain-keyup-B',

        // Pressing 'c'.

        'rich-keydown-c',

        'rich-keypress-c',

        'rich-beforeinput-c-null',

        'rich-input-c-null',

        'rich-keyup-c',

        // Pressing Shift-'d'.

        'rich-keydown-D',

        'rich-keypress-D',

        'rich-beforeinput-D-null',

        'rich-input-D-null',

        'rich-keyup-D',

];

    const result = [];

    for (const eventType of ['beforeinput', 'input', 'keydown', 'keypress', 'keyup']) {

        const listener = event => {

            if (event.key === 'Shift') return;

            const eventInfo = [event.target.id, event.type, event.data || event.key];

            if (event instanceof InputEvent) eventInfo.push(String(event.dataTransfer));

            result.push(eventInfo.join('-'));

        rich.addEventListener(eventType, listener);

        plain.addEventListener(eventType, listener);

    plain.focus();

    await new test_driver.Actions()

        .keyDown('a')

        .keyUp('a')

        .keyDown('\uE008') // Shift

        .keyDown('b')

        .keyUp('b')

        .keyUp('\uE008')

        .send();

    rich.focus();

    await new test_driver.Actions()

        .keyDown('c')

        .keyUp('c')

        .keyDown('\uE008') // Shift

        .keyDown('d')

        .keyUp('d')

        .keyUp('\uE008')

        .send();

    assert_equals(expectedResult.length, result.length);

    expectedResult.forEach((er, index) => assert_equals(er, result[index]));

}, 'InputEvents have correct data/order when typing on textarea and contenteditable');

</script>

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