tor-browser

The Tor Browser
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private-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js (3041B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
      3 // - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
      4 /*---
      5 description: Rest element containing an object binding pattern (private static class expression method (default parameter))
      6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation
      7 features: [class, class-static-methods-private, destructuring-binding, default-parameters]
      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    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     60 
     61    BindingRestElement : ... BindingPattern
     62 
     63    1. Let A be ArrayCreate(0).
     64    [...]
     65    3. Repeat
     66       [...]
     67       b. If iteratorRecord.[[done]] is true, then
     68          i. Return the result of performing BindingInitialization of
     69             BindingPattern with A and environment as the arguments.
     70       [...]
     71 ---*/
     72 let length = "outer";
     73 
     74 var callCount = 0;
     75 class C {
     76  static #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
     77    assert.sameValue(v, 7);
     78    assert.sameValue(w, 8);
     79    assert.sameValue(x, 9);
     80    assert.sameValue(y, undefined);
     81    assert.sameValue(z, 3);
     82 
     83    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
     84    callCount = callCount + 1;
     85  }
     86 
     87  static get method() {
     88    return this.#method;
     89  }
     90 };
     91 
     92 C.method();
     93 assert.sameValue(callCount, 1, 'method invoked exactly once');
     94 
     95 reportCompare(0, 0);