fs.js
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fs.js
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	import { test, summary } from './helpers.js';
	import fs from 'ant:fs';
	import path from 'ant:path';

	console.log('FS Tests\n');

	const testDir = '/tmp/ant-spec-test';
	const testFile = path.join(testDir, 'test.txt');

	fs.mkdirSync(testDir, { recursive: true });
	test('mkdirSync creates dir', fs.existsSync(testDir), true);

	fs.writeFileSync(testFile, 'hello world');
	test('writeFileSync creates file', fs.existsSync(testFile), true);

	const content = fs.readFileSync(testFile, 'utf8');
	test('readFileSync content', content, 'hello world');

	fs.appendFileSync(testFile, '!');
	const appended = fs.readFileSync(testFile, 'utf8');
	test('appendFileSync', appended, 'hello world!');

	const stat = fs.statSync(testFile);
	test('statSync isFile', stat.isFile(), true);
	test('statSync isDirectory', stat.isDirectory(), false);
	test('statSync size', stat.size > 0, true);

	const dirStat = fs.statSync(testDir);
	test('statSync dir isDirectory', dirStat.isDirectory(), true);

	const copyFile = path.join(testDir, 'copy.txt');
	fs.copyFileSync(testFile, copyFile);
	test('copyFileSync', fs.existsSync(copyFile), true);

	const renameFile = path.join(testDir, 'renamed.txt');
	fs.renameSync(copyFile, renameFile);
	test('renameSync', fs.existsSync(renameFile), true);
	test('renameSync removes old', fs.existsSync(copyFile), false);

	const files = fs.readdirSync(testDir);
	test('readdirSync length', files.length >= 2, true);
	test('readdirSync includes test.txt', files.includes('test.txt'), true);

	fs.unlinkSync(testFile);
	test('unlinkSync removes file', fs.existsSync(testFile), false);

	fs.unlinkSync(renameFile);

	const fdFile = path.join(testDir, 'fd_test.txt');
	const fd = fs.openSync(fdFile, 'w');
	test('openSync returns fd', typeof fd, 'number');

	const written = fs.writeSync(fd, 'hello fd');
	test('writeSync returns bytes written', written, 8);

	const buf = new Uint8Array([33]);
	const bufWritten = fs.writeSync(fd, buf);
	test('writeSync buffer returns bytes written', bufWritten, 1);

	fs.closeSync(fd);

	const fdContent = fs.readFileSync(fdFile, 'utf8');
	test('writeSync wrote correct data', fdContent, 'hello fd!');

	fs.unlinkSync(fdFile);

	const wvFile = path.join(testDir, 'writev_test.txt');
	const wvFd = fs.openSync(wvFile, 'w');
	const bufs = [new Uint8Array([65, 66]), new Uint8Array([67, 68])];
	const wvWritten = fs.writevSync(wvFd, bufs);
	test('writevSync returns total bytes', wvWritten, 4);
	fs.closeSync(wvFd);

	const wvContent = fs.readFileSync(wvFile, 'utf8');
	test('writevSync wrote correct data', wvContent, 'ABCD');
	fs.unlinkSync(wvFile);

	fs.rmdirSync(testDir);
	test('rmdirSync removes dir', fs.existsSync(testDir), false);

	summary();

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