test262/test/language/statements/class/async-meth-dflt-params-rest.js

// This file was procedurally generated from the following sources:
// - src/function-forms/dflt-params-rest.case
// - src/function-forms/syntax/cls-decl-async-meth.template
/*---
description: RestParameter does not support an initializer (class declaration async method)
esid: sec-class-definitions-runtime-semantics-evaluation
features: [default-parameters]
flags: [generated]
negative:
  phase: parse
  type: SyntaxError
info: |
    ClassDeclaration : class BindingIdentifier ClassTail

    1. Let className be StringValue of BindingIdentifier.
    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
       argument className.
    [...]

    14.5.14 Runtime Semantics: ClassDefinitionEvaluation

    21. For each ClassElement m in order from methods
        a. If IsStatic of m is false, then
           i. Let status be the result of performing
              PropertyDefinitionEvaluation for m with arguments proto and
              false.
        [...]

    Runtime Semantics: PropertyDefinitionEvaluation

    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }

    1. Let propKey be the result of evaluating PropertyName.
    2. ReturnIfAbrupt(propKey).
    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
       let strict be false.
    4. Let scope be the LexicalEnvironment of the running execution context.
    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
       scope, strict).
    [...]


    14.1 Function Definitions

    Syntax

    FunctionRestParameter[Yield] :

      BindingRestElement[?Yield]

    13.3.3 Destructuring Binding Patterns

    Syntax

    BindingRestElement[Yield] :

      ...BindingIdentifier[?Yield]
      ...BindingPattern[?Yield]

---*/
throw "Test262: This statement should not be evaluated.";


class C {
  async method(...x = []) {
    
  }
}