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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/obj-ptrn-id-init-fn-name-class.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" classes (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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13.3.3.7 Runtime Semantics: KeyedBindingInitialization
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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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[...]
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d. If IsAnonymousFunctionDefinition(Initializer) is true, then
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i. Let hasNameProperty be HasOwnProperty(v, "name").
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ii. ReturnIfAbrupt(hasNameProperty).
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iii. If hasNameProperty is false, perform SetFunctionName(v,
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bindingId).
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---*/
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var callCount = 0;
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var f;
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f = async function*({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
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assert.sameValue(cls.name, 'cls');
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assert.notSameValue(xCls.name, 'xCls');
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assert.notSameValue(xCls2.name, 'xCls2');
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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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