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39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/arguments/args-trailing-comma-single-args.case
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// - src/arguments/default/async-gen-named-func-expr.template
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/*---
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description: A trailing comma should not increase the arguments.length, using a single arg (async generator named 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 * BindingIdentifier
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( FormalParameters ) { AsyncGeneratorBody }
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[...]
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7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
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AsyncGeneratorBody, funcEnv, strict).
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[...]
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Trailing comma in the arguments list
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12.3 Left-Hand-Side Expressions
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Arguments[Yield, Await] : ( ArgumentList[?Yield, ?Await] , )
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---*/
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var callCount = 0;
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// Stores a reference `ref` for case evaluation
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var ref;
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ref = async function* g() {
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assert.sameValue(arguments.length, 1);
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assert.sameValue(arguments[0], 42);
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callCount = callCount + 1;
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};
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ref(42,).next().then(() => {
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assert.sameValue(callCount, 1, 'generator function invoked exactly once');
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}).then($DONE, $DONE);
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