| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/obj-ptrn-prop-obj-value-null.case |
| // - src/dstr-binding/error/async-gen-func-decl-dflt.template |
| /*--- |
| description: Object binding pattern with "nested" object binding pattern taking the `null` value (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 |
| |
| [...] |
| 3. If Initializer is present and v is undefined, then |
| [...] |
| 4. Return the result of performing BindingInitialization for BindingPattern |
| passing v and environment as arguments. |
| ---*/ |
| |
| |
| async function* f({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) { |
| |
| }; |
| |
| assert.throws(TypeError, function() { |
| f(); |
| }); |