rollup/test/function/export-default-from-external/_config.js

var path = require( 'path' );
var assert = require( 'assert' );

module.exports = {
	description: 'ensures external modules have correct names',
	options: {
		external: [ 'path' ]
	},
	exports: function ( exports ) {
		assert.equal( exports, path.sep );
	}
};