| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case |
| // - src/dstr-binding/default/async-gen-method-dflt.template |
| /*--- |
| description: Trailing comma is allowed following BindingPropertyList (async generator method (default parameter)) |
| esid: sec-asyncgenerator-definitions-propertydefinitionevaluation |
| features: [async-iteration] |
| flags: [generated, async] |
| info: | |
| AsyncGeneratorMethod : |
| async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) |
| { AsyncGeneratorBody } |
| |
| 1. Let propKey be the result of evaluating PropertyName. |
| 2. ReturnIfAbrupt(propKey). |
| 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. |
| Otherwise let strict be false. |
| 4. Let scope be the running execution context's LexicalEnvironment. |
| 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, |
| AsyncGeneratorBody, scope, strict). |
| [...] |
| |
| |
| 13.3.3 Destructuring Binding Patterns |
| |
| ObjectBindingPattern[Yield] : |
| { } |
| { BindingPropertyList[?Yield] } |
| { BindingPropertyList[?Yield] , } |
| ---*/ |
| |
| |
| var callCount = 0; |
| var obj = { |
| async *method({ x: [y], } = { x: [45] }) { |
| assert.sameValue(y,45); |
| callCount = callCount + 1; |
| } |
| }; |
| |
| obj.method().next().then(() => { |
| assert.sameValue(callCount, 1, 'invoked exactly once'); |
| }).then($DONE, $DONE); |