mirror of
https://github.com/tc39/test262.git
synced 2025-11-04 05:33:50 +01:00
44 lines
1.4 KiB
JavaScript
44 lines
1.4 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/function-forms/dflt-params-ref-later.case
|
|
// - src/function-forms/error/async-gen-func-expr.template
|
|
/*---
|
|
description: Referencing a parameter that occurs later in the ParameterList (async generator function expression)
|
|
esid: sec-asyncgenerator-definitions-evaluation
|
|
features: [default-parameters, async-iteration]
|
|
flags: [generated]
|
|
info: |
|
|
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
|
|
AsyncGeneratorBody }
|
|
|
|
[...]
|
|
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
|
|
AsyncGeneratorBody, scope, strict).
|
|
[...]
|
|
|
|
|
|
14.1.19 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
FormalsList : FormalsList , FormalParameter
|
|
|
|
1. Let status be the result of performing IteratorBindingInitialization for
|
|
FormalsList using iteratorRecord and environment as the arguments.
|
|
2. ReturnIfAbrupt(status).
|
|
3. Return the result of performing IteratorBindingInitialization for
|
|
FormalParameter using iteratorRecord and environment as the arguments.
|
|
|
|
---*/
|
|
var x = 0;
|
|
|
|
|
|
var callCount = 0;
|
|
var f;
|
|
f = async function*(x = y, y) {
|
|
|
|
callCount = callCount + 1;
|
|
};
|
|
|
|
assert.throws(ReferenceError, function() {
|
|
f();
|
|
});
|
|
assert.sameValue(callCount, 0, 'generator function body not evaluated');
|