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46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
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// - src/dstr-binding/default/async-gen-func-expr.template
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/*---
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description: SingleNameBinding assigns name to "anonymous" functions (async generator function expression)
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esid: sec-asyncgenerator-definitions-evaluation
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features: [async-iteration]
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flags: [generated, async]
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info: |
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AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
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AsyncGeneratorBody }
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[...]
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3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
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AsyncGeneratorBody, scope, strict).
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[...]
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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SingleNameBinding : BindingIdentifier Initializeropt
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[...]
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6. If Initializer is present and v is undefined, then
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a. Let defaultValue be the result of evaluating Initializer.
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b. Let v be GetValue(defaultValue).
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c. ReturnIfAbrupt(v).
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d. If IsAnonymousFunctionDefinition(Initializer) is true, then
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[...]
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7. If environment is undefined, return PutValue(lhs, v).
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8. Return InitializeReferencedBinding(lhs, v).
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---*/
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var callCount = 0;
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var f;
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f = async function*([fn = function () {}, xFn = function x() {}]) {
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assert.sameValue(fn.name, 'fn');
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assert.notSameValue(xFn.name, 'xFn');
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callCount = callCount + 1;
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};
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f([]).next().then(() => {
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assert.sameValue(callCount, 1, 'invoked exactly once');
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}).then($DONE, $DONE);
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