test262/test/language/statements/async-generator/dstr-dflt-obj-ptrn-prop-id-...

44 lines
1.4 KiB
JavaScript

// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
// - src/dstr-binding/error/async-gen-func-decl-dflt.template
/*---
description: Destructuring initializer is an unresolvable reference (async generator function declaration (default parameter))
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
features: [async-iteration]
flags: [generated]
info: |
AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
( FormalParameters ) { AsyncGeneratorBody }
[...]
3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
scope, strict).
[...]
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
---*/
async function* f({ x: y = unresolvableReference } = {}) {
};
assert.throws(ReferenceError, function() {
f();
});