--- /dev/null
+'use strict';
+
+module.exports = function (t, a) {
+ a(t(), false, "Undefined");
+ a(t(1), false, "Primitive");
+ a(t({}), false, "Objectt");
+ a(t({ toString: function () { return '[object Error]'; } }), false,
+ "Fake error");
+ a(t(new Error()), true, "Error");
+ a(t(new EvalError()), true, "EvalError");
+ a(t(new RangeError()), true, "RangeError");
+ a(t(new ReferenceError()), true, "ReferenceError");
+ a(t(new SyntaxError()), true, "SyntaxError");
+ a(t(new TypeError()), true, "TypeError");
+ a(t(new URIError()), true, "URIError");
+};