// Copyright JS Foundation and other contributors, http://js.foundation // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. function checkSyntax (str) { try { eval (str); assert (false); } catch (e) { assert (e instanceof SyntaxError); } } checkSyntax ("if (5) let a;"); checkSyntax ("if (5) const a;"); checkSyntax ("if (0) {} else let a;"); checkSyntax ("if (0) {} else const a;"); checkSyntax ("while (5) let a;"); checkSyntax ("while (5) const a;"); checkSyntax ("do let a; while (5)"); checkSyntax ("do const a; while (5)"); checkSyntax ("for (a in b) let c;"); checkSyntax ("for (a in b) const c;"); checkSyntax ("for (a of b) let c;"); checkSyntax ("for (a of b) const c;"); checkSyntax ("for (;;) let c;"); checkSyntax ("for (;;) const c;"); checkSyntax ("with ({}) let c;"); checkSyntax ("with ({}) const c;"); checkSyntax ("a: let c;"); checkSyntax ("a: const c;");