JSTests/test262/test/language/statements/async-generator/eval-var-scope-syntax-err.js

// This file was procedurally generated from the following sources:
// - src/function-forms/eval-var-scope-syntax-err.case
// - src/function-forms/error-no-strict/async-gen-func-decl.template
/*---
description: sloppy direct eval in params introduces var (async generator function declaration in sloppy code)
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
features: [default-parameters, async-iteration]
flags: [generated, noStrict]
info: |
    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
        ( FormalParameters ) { AsyncGeneratorBody }

        [...]
        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
            scope, strict).
        [...]


    
    Runtime Semantics: IteratorBindingInitialization
    FormalParameter : BindingElement

    1. Return the result of performing IteratorBindingInitialization for BindingElement with arguments iteratorRecord and environment.

---*/


var callCount = 0;
async function* f(a = eval("var a = 42")) {
  
  callCount = callCount + 1;
}

assert.throws(SyntaxError, function() {
  f();
});

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