serenity/Tests/LibWeb/Text/input/textarea-value.html

<script src="include.js"></script>
<script>
    test(() => {
        let testCounter = 1;
        function testPart(part) {
            println(`${testCounter++}. ${JSON.stringify(part())}`);
        }

        // 1. Textarea get value
        testPart(() => {
            const textarea = document.createElement('textarea');
            textarea.textContent = 'PASS';
            return textarea.value;
        });

        // 2. Textarea set value
        testPart(() => {
            const textarea = document.createElement('textarea');
            textarea.textContent = 'PASS';
            textarea.value = 'FAIL';
            return textarea.textContent;
        });

        // 3. Textarea set default value
        testPart(() => {
            const textarea = document.createElement('textarea');
            textarea.textContent = 'FAIL';
            textarea.defaultValue = 'PASS';
            return textarea.textContent;
        });

        // 4. Textarea text length
        testPart(() => {
            const textarea = document.createElement('textarea');
            textarea.innerHTML = 'PASS';
            return textarea.textLength;
        });

        // 5. Textarea input via keyboard events.
        testPart(() => {
            const textarea = document.createElement('textarea');

            // The element currently has to be part of a document to be able to receive keyboard events.
            document.body.appendChild(textarea);

            internals.sendText(textarea, 'PASS');
            const value = textarea.value;

            document.body.removeChild(textarea);
            return value;
        });
    });
</script>