tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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named-yield-identifier-spread-strict-strict.js (1135B)

      1 // |reftest| error:SyntaxError
      2 'use strict';
      3 // This file was procedurally generated from the following sources:
      4 // - src/async-generators/yield-identifier-spread-strict.case
      5 // - src/async-generators/default/async-expression-named.template
      6 /*---
      7 description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Named async generator expression)
      8 esid: prod-AsyncGeneratorExpression
      9 features: [object-spread, async-iteration]
     10 flags: [generated, onlyStrict]
     11 negative:
     12  phase: parse
     13  type: SyntaxError
     14 info: |
     15    Async Generator Function Definitions
     16 
     17    AsyncGeneratorExpression :
     18      async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) {
     19        AsyncGeneratorBody }
     20 
     21 
     22    Spread Properties
     23 
     24    PropertyDefinition[Yield]:
     25      (...)
     26      ...AssignmentExpression[In, ?Yield]
     27 
     28 ---*/
     29 $DONOTEVALUATE();
     30 
     31 
     32 var callCount = 0;
     33 
     34 var gen = async function *g() {
     35  callCount += 1;
     36  return {
     37       ...(function() {
     38          var yield;
     39          throw new Test262Error();
     40       }()),
     41    }
     42 };
     43 
     44 var iter = gen();
     45 
     46 
     47 
     48 assert.sameValue(callCount, 1);