benchmark: add fs.copyFile(p, dst, constants.COPYFILE_FICLONE_FORCE)

Refs: nodejs/performance#110
Signed-off-by: Juan José Arboleda <soyjuanarbol@gmail.com>

Author: juanarbol

benchmark/fs/bench-copyFile-ficlone.js

@@ -0,0 +1,40 @@
+'use strict';
+
+const common = require('../common');
+const { copyFile } = require('fs/promises');
+const { constants } = require('fs');
+const tmpdir = require('../../test/common/tmpdir');
+tmpdir.refresh();
+
+const bench = common.createBenchmark(main, {
+	type: ['invalid', 'valid'],
+	method: ['ficlone', 'ficlone_force'],
+	n: [1e4],
+});
+
+async function main({ n, type }) {
+	tmpdir.refresh();
+	const dest = tmpdir.resolve(`copy-file-bench-${process.pid}`);
+	let path;
+
+	switch (type) {
+		case 'invalid':
+			path = tmpdir.resolve(`.existing-file-${process.pid}`);
+			break;
+		case 'valid':
+			path = __filename;
+			break;
+		default:
+			throw new Error('Invalid type');
+	}
+
+	bench.start();
+	for (let i = 0; i < n; i++) {
+		try {
+			await copyFile(path, dest, constants.COPYFILE_FICLONE_FORCE);
+		} catch {
+			// do nothing
+		}
+	}
+	bench.end(n);
+}