tor-browser

The Tor Browser
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yield-identifier-strict-strict.js (1869B)

      1 // |reftest| error:SyntaxError
      2 'use strict';
      3 // This file was procedurally generated from the following sources:
      4 // - src/generators/yield-identifier-strict.case
      5 // - src/generators/default/class-expr-static-private-method.template
      6 /*---
      7 description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Static generator private method as a ClassExpression element)
      8 esid: prod-GeneratorPrivateMethod
      9 features: [generators, class-static-methods-private]
     10 flags: [generated, onlyStrict]
     11 negative:
     12  phase: parse
     13  type: SyntaxError
     14 info: |
     15    ClassElement :
     16      static PrivateMethodDefinition
     17 
     18    MethodDefinition :
     19      GeneratorMethod
     20 
     21    14.4 Generator Function Definitions
     22 
     23    GeneratorMethod :
     24      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
     25 
     26 ---*/
     27 $DONOTEVALUATE();
     28 
     29 var callCount = 0;
     30 
     31 var C = class {
     32    static *#gen() {
     33        callCount += 1;
     34        (function() {
     35            var yield;
     36            throw new Test262Error();
     37          }())
     38    }
     39    static get gen() { return this.#gen; }
     40 }
     41 
     42 // Test the private fields do not appear as properties before set to value
     43 assert(
     44  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     45  "Private field '#gen' does not appear as an own property on C prototype"
     46 );
     47 assert(
     48  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     49  "Private field '#gen' does not appear as an own property on C constructor"
     50 );
     51 
     52 var iter = C.gen();
     53 
     54 
     55 
     56 assert.sameValue(callCount, 1);
     57 
     58 // Test the private fields do not appear as properties before set to value
     59 assert(
     60  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     61  "Private field '#gen' does not appear as an own property on C prototype"
     62 );
     63 assert(
     64  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     65  "Private field '#gen' does not appear as an own property on C constructor"
     66 );