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<!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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