src/function-forms/error/async-gen-func-decl.template


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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
path: language/statements/async-generator/
name: async generator function declaration
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
info: |
    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
        ( FormalParameters ) { AsyncGeneratorBody }

        [...]
        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
            scope, strict).
        [...]
features: [async-iteration]
---*/

var callCount = 0;
async function* f(/*{ params }*/) {
  /*{ body }*/
  callCount = callCount + 1;
}

assert.throws(/*{ error }*/, function() {
  f(/*{ args }*/);
});

assert.sameValue(callCount, 0, 'generator function body not evaluated');