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Test Info: Errors
- This test failed 7 times in the preceding 30 days. quicksearch this test
- Manifest: editor/libeditor/tests/mochitest.toml
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test that removing editable element while a composition is ongoing doesn't crash.</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<iframe></iframe>
<div id="container">
<div contenteditable id="editor"></div>
</div>
<!-- Prevent the HTMLEditor from being destroyed even if #editor is removed. -->
<div contenteditable></div>
<script>
const container = document.getElementById('container');
const editor = document.getElementById('editor');
const iframe = document.querySelector('iframe');
let otherDocument;
const waitForIFrameLoad = new Promise(resolve => {
iframe.onload = () => {
if (iframe.contentWindow.location.href === 'about:srcdoc') {
resolve();
}
};
iframe.srcdoc = '<!DOCTYPE html><h1>Another document</h1>';
});
function reset() {
document.adoptNode(editor);
editor.replaceChildren();
container.replaceChildren(editor);
}
function compositionUpdate(newString) {
synthesizeCompositionChange({
composition: {
string: newString,
clauses: [
{length: newString.length, attr: COMPOSITION_ATTR_RAW_CLAUSE },
]
},
caret: {
start: newString.length,
length: 0,
},
key: {
key: 'a',
}
});
}
function stringifyEvents(events) {
return events.map(e => JSON.stringify({type: e.type, data: e.data})).join();
}
let events = [];
for (const type of ['compositionstart', 'compositionupdate', 'compositionend']) {
editor.addEventListener(type, e => events.push(e));
}
function addTest(testFunc, expectedEvents, description) {
add_task(async() => {
await SimpleTest.promiseFocus();
await waitForIFrameLoad;
otherDocument = iframe.contentDocument;
reset();
events = [];
await testFunc();
is(stringifyEvents(events), stringifyEvents(expectedEvents), description);
});
}
addTest(async () => {
editor.focus();
compositionUpdate('test');
editor.remove();
}, [
{type: 'compositionstart', data: ''},
{type: 'compositionupdate', data: 'test'},
{type: 'compositionupdate', data: ''},
{type: 'compositionend', data: ''},
], 'Removing editor element during a composition.');
addTest(async () => {
editor.focus();
editor.addEventListener('compositionupdate', () => {
editor.remove();
}, {once: true});
compositionUpdate('test');
}, [
{type: 'compositionstart', data: ''},
{type: 'compositionupdate', data: 'test'},
{type: 'compositionupdate', data: ''},
{type: 'compositionend', data: ''},
], 'Removing editor element during compositionupdate handler.');
addTest(async () => {
editor.focus();
editor.addEventListener('compositionupdate', () => {
otherDocument.adoptNode(editor);
otherDocument.body.append(editor);
}, {once: true});
compositionUpdate('test');
}, [
{type: 'compositionstart', data: ''},
{type: 'compositionupdate', data: 'test'},
{type: 'compositionupdate', data: ''},
{type: 'compositionend', data: ''},
], 'Adopting editor element into another document during compositionupdate handler.');
</script>
</body>
</html>