test/language/expressions/async-generator/named-yield-identifier-non-strict.js


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// This file was procedurally generated from the following sources:
// - src/async-generators/yield-identifier-non-strict.case
// - src/async-generators/non-strict/async-expression-named.template
/*---
description: Use of yield as a valid identifier in a function body inside a generator body in non strict mode (Async generator named expression - valid for non-strict only cases)
esid: prod-AsyncGeneratorExpression
features: [async-iteration]
flags: [generated, noStrict, async]
info: |
    Async Generator Function Definitions

    AsyncGeneratorExpression :
      async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) {
        AsyncGeneratorBody }

---*/


var callCount = 0;

var gen = async function *g() {
  callCount += 1;
  return (function(arg) {
      var yield = arg + 1;
      return yield;
    }(yield))
};

var iter = gen();

var item = iter.next();

item.then(({ done, value }) => {
  assert.sameValue(done, false);
  assert.sameValue(value, undefined);
});

item = iter.next(42);

item.then(({ done, value }) => {
  assert.sameValue(done, true);
  assert.sameValue(value, 43);
}).then($DONE, $DONE);

assert.sameValue(callCount, 1);