Screw.Matchers = (function($) { return matchers = { expect: function(actual) { return { to: function(matcher, expected, not) { var matched = matcher.match(expected, actual); if (not ? matched : !matched) { throw(matcher.failure_message(expected, actual, not)); } }, to_not: function(matcher, expected) { this.to(matcher, expected, true); } } }, equal: { match: function(expected, actual) { if (expected instanceof Array) { for (var i = 0; i < actual.length; i++) if (!Screw.Matchers.equal.match(expected[i], actual[i])) return false; return actual.length == expected.length; } else if (expected instanceof Object) { for (var key in expected) if (expected[key] != actual[key]) return false; for (var key in actual) if (actual[key] != expected[key]) return false; return true; } else { return expected == actual; } }, failure_message: function(expected, actual, not) { return 'expected ' + $.print(actual) + (not ? ' to not equal ' : ' to equal ') + $.print(expected); } }, match: { match: function(expected, actual) { if (expected.constructor == RegExp) return expected.exec(actual.toString()); else return actual.indexOf(expected) > -1; }, failure_message: function(expected, actual, not) { return 'expected ' + $.print(actual) + (not ? ' to not match ' : ' to match ') + $.print(expected); } }, be_empty: { match: function(expected, actual) { if (actual.length == undefined) throw(actual.toString() + " does not respond to length"); return actual.length == 0; }, failure_message: function(expected, actual, not) { return 'expected ' + $.print(actual) + (not ? ' to not be empty' : ' to be empty'); } } } })(jQuery);