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<!DOCTYPE html>
<meta charset="utf-8">
<title>Test the onbeforeinput attribute</title>
<meta name="timeout" content="long">
<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>
<div id="container"></div>
<script>
const container = document.getElementById("container");
const events = new Map();
function handleEvent(event) {
if (!events.has(event.target)) {
events.set(event.target, []);
}
events.get(event.target).push(event);
}
let onInputFired = null;
const onBeforeInput = handleEvent;
const onInput = (event) => {
handleEvent(event);
onInputFired()
}
let elems = [];
for (let type of ["text", "search", "tel", "url", "email", "password", "number"]) {
elems.push(`<input type=${type} onbeforeinput="onBeforeInput(event)" oninput="onInput(event)">
<input type=${type}>
`);
}
elems.push(`<textarea onbeforeinput="onBeforeInput(event)" oninput="onInput(event)"></textarea>
<textarea></textarea>`)
container.innerHTML = elems.join("");
for (const element of container.children) {
promise_test(async t => {
if (!element.hasAttribute("onbeforeinput")) {
element.onbeforeinput = e => onBeforeInput(e);
element.oninput = e => onInput(e);
};
let afterOnInput = new Promise(resolve => {onInputFired = resolve});
await test_driver.send_keys(element, "1"); // has to be a number so <input type=number> works
// Ensure we're in the post-update state
await afterOnInput;
assert_true(events.has(element), "Got events for element");
let elementEvents = events.get(element);
assert_array_equals(elementEvents.map(event => event.type), ["beforeinput", "input"], "Got expected events");
}, `${element.outerHTML}`);
}
</script>
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