mirror of https://github.com/tc39/test262.git
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-rest-id-direct.case
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// - src/dstr-binding/default/async-gen-func-decl-dflt.template
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/*---
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description: Lone rest element (direct binding) (async generator function declaration (default parameter))
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esid: sec-asyncgenerator-definitions-instantiatefunctionobject
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features: [async-iteration]
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flags: [generated, async]
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includes: [compareArray.js]
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info: |
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AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
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( FormalParameters ) { AsyncGeneratorBody }
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[...]
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3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
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scope, strict).
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[...]
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Runtime Semantics: IteratorBindingInitialization
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BindingRestElement : ... BindingIdentifier
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[...]
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2. Let A be ! ArrayCreate(0).
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3. Let n be 0.
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4. Repeat,
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[...]
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f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
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g. Set n to n + 1.
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---*/
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var callCount = 0;
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async function* f([...x] = [1]) {
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assert(Array.isArray(x));
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assert.compareArray(x, [1]);
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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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