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51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
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// - src/dstr-binding/default/async-gen-func-expr.template
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/*---
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description: Rest element containing an object binding pattern (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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BindingRestElement : ... BindingPattern
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1. Let A be ArrayCreate(0).
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[...]
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3. Repeat
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[...]
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b. If iteratorRecord.[[done]] is true, then
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i. Return the result of performing BindingInitialization of
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BindingPattern with A and environment as the arguments.
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[...]
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---*/
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let length = "outer";
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var callCount = 0;
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var f;
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f = async function*([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
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assert.sameValue(v, 7);
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assert.sameValue(w, 8);
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assert.sameValue(x, 9);
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assert.sameValue(y, undefined);
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assert.sameValue(z, 3);
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assert.sameValue(length, "outer", "the length prop is not set as a binding name");
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callCount = callCount + 1;
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};
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f([7, 8, 9]).next().then(() => {
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assert.sameValue(callCount, 1, 'invoked exactly once');
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}).then($DONE, $DONE);
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