async-private-gen-meth-static-ary-ptrn-elem-id-init-hole.js (2515B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/ary-ptrn-elem-id-init-hole.case 4 // - src/dstr-binding/default/cls-expr-async-private-gen-meth-static.template 5 /*--- 6 description: Destructuring initializer with a "hole" (private static class expression async generator method) 7 esid: sec-class-definitions-runtime-semantics-evaluation 8 features: [class, class-static-methods-private, async-iteration] 9 flags: [generated, async] 10 info: | 11 ClassExpression : class BindingIdentifieropt ClassTail 12 13 1. If BindingIdentifieropt is not present, let className be undefined. 14 2. Else, let className be StringValue of BindingIdentifier. 15 3. Let value be the result of ClassDefinitionEvaluation of ClassTail 16 with argument className. 17 [...] 18 19 14.5.14 Runtime Semantics: ClassDefinitionEvaluation 20 21 21. For each ClassElement m in order from methods 22 a. If IsStatic of m is false, then 23 b. Else, 24 Let status be the result of performing PropertyDefinitionEvaluation 25 for m with arguments F and false. 26 [...] 27 28 Runtime Semantics: PropertyDefinitionEvaluation 29 30 AsyncGeneratorMethod : 31 async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) 32 { AsyncGeneratorBody } 33 34 1. Let propKey be the result of evaluating PropertyName. 35 2. ReturnIfAbrupt(propKey). 36 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. 37 Otherwise let strict be false. 38 4. Let scope be the running execution context's LexicalEnvironment. 39 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, 40 AsyncGeneratorBody, scope, strict). 41 [...] 42 43 44 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 45 SingleNameBinding : BindingIdentifier Initializeropt 46 [...] 6. If Initializer is present and v is undefined, then 47 a. Let defaultValue be the result of evaluating Initializer. 48 b. Let v be GetValue(defaultValue). 49 [...] 50 7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v). 51 ---*/ 52 53 54 var callCount = 0; 55 var C = class { 56 static async * #method([x = 23]) { 57 assert.sameValue(x, 23); 58 // another statement 59 callCount = callCount + 1; 60 } 61 62 static get method() { 63 return this.#method; 64 } 65 }; 66 67 C.method([,]).next().then(() => { 68 assert.sameValue(callCount, 1, 'invoked exactly once'); 69 }).then($DONE, $DONE);