tor-browser

The Tor Browser
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yield-identifier-strict-strict.js (2104B)

      1 // |reftest| error:SyntaxError
      2 'use strict';
      3 // This file was procedurally generated from the following sources:
      4 // - src/async-generators/yield-identifier-strict.case
      5 // - src/async-generators/default/async-class-expr-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. (Async generator method as a ClassExpression element)
      8 esid: prod-AsyncGeneratorPrivateMethod
      9 features: [async-iteration, 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      AsyncGeneratorMethod
     20 
     21    Async Generator Function Definitions
     22 
     23    AsyncGeneratorMethod :
     24      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
     25 
     26 ---*/
     27 $DONOTEVALUATE();
     28 
     29 
     30 var callCount = 0;
     31 
     32 var C = class {
     33    async *#gen() {
     34        callCount += 1;
     35        (function() {
     36            var yield;
     37            throw new Test262Error();
     38          }())
     39    }
     40    get gen() { return this.#gen; }
     41 }
     42 
     43 const c = new C();
     44 
     45 // Test the private fields do not appear as properties before set to value
     46 assert(
     47  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     48  "#gen does not appear as an own property on C prototype"
     49 );
     50 assert(
     51  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     52  "#gen does not appear as an own property on C constructor"
     53 );
     54 assert(
     55  !Object.prototype.hasOwnProperty.call(c, "#gen"),
     56  "#gen does not appear as an own property on C instance"
     57 );
     58 
     59 var iter = c.gen();
     60 
     61 
     62 
     63 assert.sameValue(callCount, 1);
     64 
     65 // Test the private fields do not appear as properties after set to value
     66 assert(
     67  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     68  "#gen does not appear as an own property on C prototype"
     69 );
     70 assert(
     71  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     72  "#gen does not appear as an own property on C constructor"
     73 );
     74 assert(
     75  !Object.prototype.hasOwnProperty.call(c, "#gen"),
     76  "#gen does not appear as an own property on C instance"
     77 );