| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-elem-obj-id.case |
| // - src/dstr-binding/default/async-gen-func-named-expr-dflt.template |
| /*--- |
| description: BindingElement with object binding pattern and initializer is not used (async generator named function expression (default parameter)) |
| esid: sec-asyncgenerator-definitions-evaluation |
| features: [async-iteration] |
| flags: [generated, async] |
| info: | |
| AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier |
| ( FormalParameters ) { AsyncGeneratorBody } |
| |
| [...] |
| 7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, |
| AsyncGeneratorBody, funcEnv, strict). |
| [...] |
| |
| |
| 13.3.3.6 Runtime Semantics: IteratorBindingInitialization |
| |
| BindingElement : BindingPatternInitializer opt |
| |
| [...] |
| 2. If iteratorRecord.[[done]] is true, let v be undefined. |
| 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). |
| 4. Return the result of performing BindingInitialization of BindingPattern |
| with v and environment as the arguments. |
| ---*/ |
| |
| |
| var callCount = 0; |
| var f; |
| f = async function* h([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) { |
| assert.sameValue(x, 11); |
| assert.sameValue(y, 22); |
| assert.sameValue(z, 33); |
| callCount = callCount + 1; |
| }; |
| |
| f().next().then(() => { |
| assert.sameValue(callCount, 1, 'invoked exactly once'); |
| }).then($DONE, $DONE); |