const fs = require('fs');
const path = require('path');

// Test file path
const testFile = path.join(__dirname, 'test-file.txt');

try {
    // Step 1: Write to a file
    console.log('Writing to file...');
    const data = 'Hello, TMT fs test!';
    fs.writeFileSync(testFile, data);
    if (fs.existsSync(testFile)) {
        console.log('✔ File created successfully.');
    } else {
        throw new Error('✘ Failed to create file.');
    }

    // Step 2: Read from the file
    console.log('Reading from file...');
    const fileContent = fs.readFileSync(testFile, 'utf8');
    if (fileContent === data) {
        console.log('✔ File content matches expected.');
    } else {
        throw new Error('✘ File content mismatch.');
    }

    // Step 3: Delete the file
    console.log('Deleting file...');
    fs.unlinkSync(testFile);
    if (!fs.existsSync(testFile)) {
        console.log('✔ File deleted successfully.');
    } else {
        throw new Error('✘ Failed to delete file.');
    }

    console.log('All tests passed!');
    process.exit(0); // Success exit code
} catch (error) {
    console.error(error.message);
    process.exit(1); // Failure exit code
}