Files
jerryscript/tests/jerry/es2015/for-let-reference-error.js
T
Rafal Walczyna 049a0c43f6 Fix ReferenceError for let/const variables in of/in for loop (#3885)
ReferenceError should be thrown when variable is used before assignment

JerryScript-DCO-1.0-Signed-off-by: Rafal Walczyna r.walczyna@samsung.com
2020-06-10 12:39:02 +02:00

31 lines
971 B
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 check_reference_error (code)
{
try {
eval (code)
assert (false)
} catch (e) {
assert (e instanceof ReferenceError)
}
}
check_reference_error("for (let x of [x]) {}")
check_reference_error("for (const x of [x]) {}")
check_reference_error("for (let x in {x}) {}")
check_reference_error("for (const x in {x}) {}")