msgs/test/buster-assertions.js

Message oriented programming for JavaScript

/*
 * Copyright 2012 the original author or authors
 * @license MIT, see LICENSE.txt for details
 *
 * @author Scott Andrews
 */

(function (buster) {
	'use strict';

	var assert, refute;

	assert = buster.assert;
	refute = buster.refute;

	buster.assertions.add('frozen', {
		assert: function (actual) {
			return actual instanceof Object && Object.isFrozen ? Object.isFrozen(actual) : true;
		},
		refute: function (actual) {
			return actual instanceof Object && Object.isFrozen ? !Object.isFrozen(actual) : true;
		},
		assertMessage: 'Expected ${0} to be frozen',
		refuteMessage: 'Expected ${0} to not be frozen'
	});

	buster.assertions.add('empty', {
		assert: function (actual) {
			return 'length' in actual && actual.length === 0;
		},
		assertMessage: 'Expected ${0} to be empty',
		refuteMessage: 'Expected ${0} to not be empty'
	});

}(
	this.buster || require('buster')
));