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ant/tests/test_child_process_execfile_promisify.cjs
201d063fe28amaster

test_child_process_execfile_promisify.cjs
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			const { promisify } = require('util');
			const { execFile } = require('child_process');
			const path = require('path');

			async function main() {
			if (typeof promisify.custom !== 'symbol') {
			throw new Error('expected util.promisify.custom to be a symbol');
			}

			if (typeof execFile[promisify.custom] !== 'function') {
			throw new Error('expected execFile to define util.promisify.custom');
			}

			const execFileAsync = promisify(execFile);
			const child = path.join(__dirname, 'fixtures', 'execfile_promisify_child.cjs');
			const result = await execFileAsync(process.execPath, [child]);

			if (!result \|\| typeof result !== 'object' \|\| Array.isArray(result)) {
			throw new Error(`expected object result, got ${Object.prototype.toString.call(result)}`);
			}

			if (result.stdout !== 'OUT') {
			throw new Error(`expected stdout to be OUT, got ${JSON.stringify(result.stdout)}`);
			}

			if (result.stderr !== 'ERR') {
			throw new Error(`expected stderr to be ERR, got ${JSON.stringify(result.stderr)}`);
			}

			console.log('util.promisify(execFile) resolves { stdout, stderr }');
			}

			main().catch((err) => {
			console.error(err && err.stack ? err.stack : String(err));
			process.exit(1);
			});

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