1/* Copyright JS Foundation and other contributors, http://js.foundation 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16function check_reference_error (code) 17{ 18 try { 19 eval (code); 20 assert (false); 21 } catch (e) { 22 assert (e instanceof ReferenceError); 23 } 24} 25 26check_reference_error ("let b = a, a;"); 27check_reference_error ("const b = b;"); 28check_reference_error ("a; let b, a;"); 29check_reference_error ("a = 1; let b, a;"); 30 31function f() { 32 return x + y.a; 33} 34 35check_reference_error ("x"); 36check_reference_error ("y"); 37check_reference_error ("x = 1"); 38check_reference_error ("y = 1"); 39 40let x = 6; 41assert (x === 6); 42let y = { a: 7 }; 43assert (y.a === 7); 44 45assert (f() === 13); 46