michael@0: load(libdir + "asserts.js");
michael@0: 
michael@0: var offenders = [
michael@0:     "(1 ... n)",
michael@0:     "[1 ... n]",
michael@0:     "(...x)",
michael@0:     "[...x for (x of y)]",
michael@0:     "[...x, x for (x of y)]",
michael@0:     "[...]",
michael@0:     "(...)",
michael@0:     "[...,]",
michael@0:     "[... ...[]]",
michael@0:     "(... ...[])",
michael@0:     "[x, ...]",
michael@0:     "(x, ...)"
michael@0: ];
michael@0: for (var sample of offenders) {
michael@0:     assertThrowsInstanceOf(function () { eval(sample); }, SyntaxError);
michael@0: }