/* 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 ("let b = a, a;"); check_reference_error ("const b = b;"); check_reference_error ("a; let b, a;"); check_reference_error ("a = 1; let b, a;"); function f() { return x + y.a; } check_reference_error ("x"); check_reference_error ("y"); check_reference_error ("x = 1"); check_reference_error ("y = 1"); let x = 6; assert (x === 6); let y = { a: 7 }; assert (y.a === 7); assert (f() === 13);