(function () {
	'use strict';

	const fooContext = {};

	function foo () {
		// inside a function, `this` should be untouched...
		assert.strictEqual( this, fooContext );
	}

	const bar = () => {
		// ...unless it's an arrow function
		assert.strictEqual( undefined, undefined );
	};

	foo.call( fooContext );
	bar.call( {} );

	// outside a function, `this` is undefined
	assert.strictEqual( undefined, undefined );

}());
