JSTests/test262/test/language/statements/class/elements/async-gen-private-method/yield-identifier-spread-strict.js

// This file was procedurally generated from the following sources:
// - src/async-generators/yield-identifier-spread-strict.case
// - src/async-generators/default/async-class-decl-private-method.template
/*---
description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Async Generator method as a ClassDeclaration element)
esid: prod-AsyncGeneratorPrivateMethod
features: [object-spread, async-iteration, class-methods-private]
flags: [generated, onlyStrict]
negative:
  phase: parse
  type: SyntaxError
info: |
    ClassElement :
      PrivateMethodDefinition

    MethodDefinition :
      AsyncGeneratorMethod

    Async Generator Function Definitions

    AsyncGeneratorMethod :
      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }


    Spread Properties

    PropertyDefinition[Yield]:
      (...)
      ...AssignmentExpression[In, ?Yield]

---*/
$DONOTEVALUATE();


var callCount = 0;

class C {
    async *#gen() {
        callCount += 1;
        return {
             ...(function() {
                var yield;
                throw new Test262Error();
             }()),
          }
    }
    get gen() { return this.#gen; }
}

const c = new C();

// Test the private fields do not appear as properties before set to value
assert.sameValue(Object.hasOwnProperty.call(C.prototype, "#gen"), false, 'Object.hasOwnProperty.call(C.prototype, "#gen")');
assert.sameValue(Object.hasOwnProperty.call(C, "#gen"), false, 'Object.hasOwnProperty.call(C, "#gen")');
assert.sameValue(Object.hasOwnProperty.call(c, "#gen"), false, 'Object.hasOwnProperty.call(c, "#gen")');

var iter = c.gen();



assert.sameValue(callCount, 1);

// Test the private fields do not appear as properties after set to value
assert.sameValue(Object.hasOwnProperty.call(C.prototype, "#gen"), false, 'Object.hasOwnProperty.call(C.prototype, "#gen")');
assert.sameValue(Object.hasOwnProperty.call(C, "#gen"), false, 'Object.hasOwnProperty.call(C, "#gen")');
assert.sameValue(Object.hasOwnProperty.call(c, "#gen"), false, 'Object.hasOwnProperty.call(c, "#gen")');