tor-browser

The Tor Browser
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yield-identifier-strict-strict.js (2115B)

      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-decl-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. (Generator private method as a ClassDeclaration element)
      8 esid: prod-GeneratorPrivateMethod
      9 features: [generators, class-methods-private]
     10 flags: [generated, onlyStrict]
     11 negative:
     12  phase: parse
     13  type: SyntaxError
     14 info: |
     15    ClassElement :
     16      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 class C {
     32    *#gen() {
     33        callCount += 1;
     34        (function() {
     35            var yield;
     36            throw new Test262Error();
     37          }())
     38    }
     39    get gen() { return this.#gen; }
     40 }
     41 
     42 const c = new C();
     43 
     44 // Test the private fields do not appear as properties before set to value
     45 assert(
     46  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     47  "Private field '#gen' does not appear as an own property on C prototype"
     48 );
     49 assert(
     50  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     51  "Private field '#gen' does not appear as an own property on C constructor"
     52 );
     53 assert(
     54  !Object.prototype.hasOwnProperty.call(c, "#gen"),
     55  "Private field '#gen' does not appear as an own property on C instance"
     56 );
     57 
     58 var iter = c.gen();
     59 
     60 
     61 
     62 assert.sameValue(callCount, 1);
     63 
     64 // Test the private fields do not appear as properties after set to value
     65 assert(
     66  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     67  "Private field '#gen' does not appear as an own property on C prototype"
     68 );
     69 assert(
     70  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     71  "Private field '#gen' does not appear as an own property on C constructor"
     72 );
     73 assert(
     74  !Object.prototype.hasOwnProperty.call(c, "#gen"),
     75  "Private field '#gen' does not appear as an own property on C instance"
     76 );