Robert Fancsik a1189cfb62
Add validation for single statement lexical declarations (#3326)
This patch fixes #3275 and fixes #3276.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2019-11-19 15:44:12 +01:00

42 lines
1.4 KiB
JavaScript

// 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;");