tor-browser

The Tor Browser
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private-meth-static-obj-ptrn-empty.js (2584B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-empty.case
      3 // - src/dstr-binding/default/cls-decl-private-meth-static.template
      4 /*---
      5 description: No property access occurs for an "empty" object binding pattern (private static class expression method)
      6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation
      7 features: [class, class-static-methods-private, destructuring-binding]
      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        b. Else,
     22           Let status be the result of performing PropertyDefinitionEvaluation for
     23           m with arguments F and false.
     24    [...]
     25 
     26    14.3.8 Runtime Semantics: DefineMethod
     27 
     28    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
     29 
     30    [...]
     31    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
     32       scope, strict). If functionPrototype was passed as a parameter then pass its
     33       value as the functionPrototype optional argument of FunctionCreate.
     34    [...]
     35 
     36    9.2.1 [[Call]] ( thisArgument, argumentsList)
     37 
     38    [...]
     39    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     40    [...]
     41 
     42    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     43 
     44    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     45    [...]
     46 
     47    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     48 
     49    [...]
     50    23. Let iteratorRecord be Record {[[iterator]]:
     51        CreateListIterator(argumentsList), [[done]]: false}.
     52    24. If hasDuplicates is true, then
     53        [...]
     54    25. Else,
     55        b. Let formalStatus be IteratorBindingInitialization for formals with
     56           iteratorRecord and env as arguments.
     57    [...]
     58 
     59    Runtime Semantics: BindingInitialization
     60 
     61    ObjectBindingPattern : { }
     62 
     63    1. Return NormalCompletion(empty).
     64 ---*/
     65 var accessCount = 0;
     66 var obj = Object.defineProperty({}, 'attr', {
     67  get: function() {
     68    accessCount += 1;
     69  }
     70 });
     71 
     72 var callCount = 0;
     73 class C {
     74  static #method({}) {
     75    assert.sameValue(accessCount, 0);
     76    callCount = callCount + 1;
     77  }
     78 
     79  static get method() {
     80    return this.#method;
     81  }
     82 };
     83 
     84 C.method(obj);
     85 assert.sameValue(callCount, 1, 'method invoked exactly once');
     86 
     87 reportCompare(0, 0);