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async-gen-meth-dflt-obj-ptrn-prop-eval-err.js (2049B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-prop-eval-err.case
      3 // - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
      4 /*---
      5 description: Evaluation of property name returns an abrupt completion (class expression async generator method (default parameters))
      6 esid: sec-class-definitions-runtime-semantics-evaluation
      7 features: [async-iteration]
      8 flags: [generated]
      9 info: |
     10    ClassDeclaration : class BindingIdentifier ClassTail
     11 
     12    1. Let className be StringValue of BindingIdentifier.
     13    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
     14       argument className.
     15    [...]
     16 
     17    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     18 
     19    21. For each ClassElement m in order from methods
     20        a. If IsStatic of m is false, then
     21           i. Let status be the result of performing
     22              PropertyDefinitionEvaluation for m with arguments proto and
     23              false.
     24        [...]
     25 
     26    Runtime Semantics: PropertyDefinitionEvaluation
     27 
     28    AsyncGeneratorMethod :
     29        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
     30            { AsyncGeneratorBody }
     31 
     32    1. Let propKey be the result of evaluating PropertyName.
     33    2. ReturnIfAbrupt(propKey).
     34    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
     35       Otherwise let strict be false.
     36    4. Let scope be the running execution context's LexicalEnvironment.
     37    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
     38       AsyncGeneratorBody, scope, strict).
     39    [...]
     40 
     41    13.3.3.5 Runtime Semantics: BindingInitialization
     42 
     43    BindingProperty : PropertyName : BindingElement
     44 
     45    1. Let P be the result of evaluating PropertyName
     46    2. ReturnIfAbrupt(P).
     47 ---*/
     48 function thrower() {
     49  throw new Test262Error();
     50 }
     51 
     52 
     53 class C {
     54  async *method({ [thrower()]: x } = {}) {
     55    
     56  }
     57 };
     58 
     59 var method = C.prototype.method;
     60 
     61 assert.throws(Test262Error, function() {
     62  method();
     63 });
     64 
     65 reportCompare(0, 0);