tor-browser

The Tor Browser
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lgcl-nullish-assignment-operator-unresolved-rhs-put.js (613B)

      1 // Copyright (c) 2020 Ecma International.  All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-assignment-operators-runtime-semantics-evaluation
      6 description: >
      7    ReferenceError is thrown if the AssignmentExpression of a Logical
      8    Assignment operator(??=) evaluates to an unresolvable reference and the
      9    AssignmentExpression is evaluated.
     10 features: [logical-assignment-operators]
     11 
     12 ---*/
     13 
     14 var value = undefined;
     15 
     16 assert.throws(ReferenceError, function() {
     17  value ??= unresolved;
     18 });
     19 assert.sameValue(value, undefined, "value");
     20 
     21 reportCompare(0, 0);