tor-browser

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private-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js (3896B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-rest-ary-elem.case
      3 // - src/dstr-binding/default/cls-expr-private-gen-meth-static-dflt.template
      4 /*---
      5 description: Rest element containing an array BindingElementList pattern (private static class expression generator method (default parameter))
      6 esid: sec-class-definitions-runtime-semantics-evaluation
      7 features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
      8 flags: [generated]
      9 info: |
     10    ClassExpression : class BindingIdentifieropt ClassTail
     11 
     12    1. If BindingIdentifieropt is not present, let className be undefined.
     13    2. Else, let className be StringValue of BindingIdentifier.
     14    3. Let value be the result of ClassDefinitionEvaluation of ClassTail
     15       with argument className.
     16    [...]
     17 
     18    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     19 
     20    21. For each ClassElement m in order from methods
     21        a. If IsStatic of m is false, then
     22        b. Else,
     23           Let status be the result of performing PropertyDefinitionEvaluation
     24           for m with arguments F and false.
     25    [...]
     26 
     27    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
     28 
     29    GeneratorMethod :
     30        * PropertyName ( StrictFormalParameters ) { GeneratorBody }
     31 
     32    1. Let propKey be the result of evaluating PropertyName.
     33    2. ReturnIfAbrupt(propKey).
     34    3. If the function code for this GeneratorMethod is strict mode code,
     35       let strict be true. Otherwise let strict be false.
     36    4. Let scope be the running execution context's LexicalEnvironment.
     37    5. Let closure be GeneratorFunctionCreate(Method,
     38       StrictFormalParameters, GeneratorBody, scope, strict).
     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    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     64 
     65    BindingRestElement : ... BindingPattern
     66 
     67    1. Let A be ArrayCreate(0).
     68    [...]
     69    3. Repeat
     70       [...]
     71       b. If iteratorRecord.[[done]] is true, then
     72          i. Return the result of performing BindingInitialization of
     73             BindingPattern with A and environment as the arguments.
     74       [...]
     75 
     76    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     77 
     78    SingleNameBinding : BindingIdentifier Initializeropt
     79 
     80    [...]
     81    4. If iteratorRecord.[[done]] is false, then
     82       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
     83       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
     84       c. ReturnIfAbrupt(next).
     85       d. If next is false, set iteratorRecord.[[done]] to true.
     86       e. Else,
     87          [...]
     88          i. Let v be IteratorValue(next).
     89          ii. If v is an abrupt completion, set
     90              iteratorRecord.[[done]] to true.
     91          iii. ReturnIfAbrupt(v).
     92    5. If iteratorRecord.[[done]] is true, let v be undefined.
     93    [...]
     94    8. Return InitializeReferencedBinding(lhs, v).
     95 ---*/
     96 
     97 var callCount = 0;
     98 var C = class {
     99  static * #method([...[x, y, z]] = [3, 4, 5]) {
    100    assert.sameValue(x, 3);
    101    assert.sameValue(y, 4);
    102    assert.sameValue(z, 5);
    103    callCount = callCount + 1;
    104  }
    105 
    106  static get method() {
    107    return this.#method;
    108  }
    109 };
    110 
    111 C.method().next();
    112 assert.sameValue(callCount, 1, 'method invoked exactly once');
    113 
    114 reportCompare(0, 0);