tor-browser

The Tor Browser
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private-meth-ary-ptrn-rest-init-obj.js (2642B)

      1 // |reftest| error:SyntaxError
      2 // This file was procedurally generated from the following sources:
      3 // - src/dstr-binding/ary-ptrn-rest-init-obj.case
      4 // - src/dstr-binding/default/cls-decl-private-meth.template
      5 /*---
      6 description: Rest element (nested object pattern) does not support initializer (private class expression method)
      7 esid: sec-runtime-semantics-bindingclassdeclarationevaluation
      8 features: [class, class-methods-private, destructuring-binding]
      9 flags: [generated]
     10 negative:
     11  phase: parse
     12  type: SyntaxError
     13 info: |
     14    ClassDeclaration : class BindingIdentifier ClassTail
     15 
     16    1. Let className be StringValue of BindingIdentifier.
     17    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
     18       argument className.
     19    [...]
     20 
     21    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     22 
     23    21. For each ClassElement m in order from methods
     24        a. If IsStatic of m is false, then
     25           i. Let status be the result of performing
     26              PropertyDefinitionEvaluation for m with arguments proto and
     27              false.
     28        [...]
     29 
     30    14.3.8 Runtime Semantics: DefineMethod
     31 
     32    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
     33 
     34    [...]
     35    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
     36       scope, strict). If functionPrototype was passed as a parameter then pass its
     37       value as the functionPrototype optional argument of FunctionCreate.
     38    [...]
     39 
     40    9.2.1 [[Call]] ( thisArgument, argumentsList)
     41 
     42    [...]
     43    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     44    [...]
     45 
     46    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     47 
     48    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     49    [...]
     50 
     51    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     52 
     53    [...]
     54    23. Let iteratorRecord be Record {[[iterator]]:
     55        CreateListIterator(argumentsList), [[done]]: false}.
     56    24. If hasDuplicates is true, then
     57        [...]
     58    25. Else,
     59        b. Let formalStatus be IteratorBindingInitialization for formals with
     60           iteratorRecord and env as arguments.
     61    [...]
     62 
     63    13.3.3 Destructuring Binding Patterns
     64    ArrayBindingPattern[Yield] :
     65        [ Elisionopt BindingRestElement[?Yield]opt ]
     66        [ BindingElementList[?Yield] ]
     67        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
     68 ---*/
     69 $DONOTEVALUATE();
     70 
     71 var callCount = 0;
     72 class C {
     73  #method([...{ x } = []]) {
     74    
     75    callCount = callCount + 1;
     76  }
     77 
     78  get method() {
     79    return this.#method;
     80  }
     81 };
     82 
     83 new C().method([]);
     84 assert.sameValue(callCount, 1, 'method invoked exactly once');