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private-gen-meth-dflt-ary-ptrn-rest-id-direct.js (3005B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-rest-id-direct.case
      3 // - src/dstr-binding/default/cls-expr-private-gen-meth-dflt.template
      4 /*---
      5 description: Lone rest element (direct binding) (private class expression method (default parameter))
      6 esid: sec-class-definitions-runtime-semantics-evaluation
      7 features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
      8 flags: [generated]
      9 includes: [compareArray.js]
     10 info: |
     11    ClassExpression : class BindingIdentifieropt ClassTail
     12 
     13    1. If BindingIdentifieropt is not present, let className be undefined.
     14    2. Else, let className be StringValue of BindingIdentifier.
     15    3. Let value be the result of ClassDefinitionEvaluation of ClassTail
     16       with argument className.
     17    [...]
     18 
     19    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     20 
     21    21. For each ClassElement m in order from methods
     22        a. If IsStatic of m is false, then
     23           i. Let status be the result of performing
     24              PropertyDefinitionEvaluation for m with arguments proto and
     25              false.
     26        [...]
     27 
     28    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
     29 
     30    GeneratorMethod :
     31        * PropertyName ( StrictFormalParameters ) { GeneratorBody }
     32 
     33    1. Let propKey be the result of evaluating PropertyName.
     34    2. ReturnIfAbrupt(propKey).
     35    3. If the function code for this GeneratorMethod is strict mode code,
     36       let strict be true. Otherwise let strict be false.
     37    4. Let scope be the running execution context's LexicalEnvironment.
     38    5. Let closure be GeneratorFunctionCreate(Method,
     39       StrictFormalParameters, GeneratorBody, scope, strict).
     40 
     41    9.2.1 [[Call]] ( thisArgument, argumentsList)
     42 
     43    [...]
     44    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     45    [...]
     46 
     47    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     48 
     49    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     50    [...]
     51 
     52    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     53 
     54    [...]
     55    23. Let iteratorRecord be Record {[[iterator]]:
     56        CreateListIterator(argumentsList), [[done]]: false}.
     57    24. If hasDuplicates is true, then
     58        [...]
     59    25. Else,
     60        b. Let formalStatus be IteratorBindingInitialization for formals with
     61           iteratorRecord and env as arguments.
     62    [...]
     63 
     64    Runtime Semantics: IteratorBindingInitialization
     65 
     66    BindingRestElement : ... BindingIdentifier
     67 
     68    [...]
     69    2. Let A be ! ArrayCreate(0).
     70    3. Let n be 0.
     71    4. Repeat,
     72        [...]
     73        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
     74        g. Set n to n + 1.
     75 
     76 ---*/
     77 
     78 var callCount = 0;
     79 var C = class {
     80  * #method([...x] = [1]) {
     81    assert(Array.isArray(x));
     82    assert.compareArray(x, [1]);
     83    callCount = callCount + 1;
     84  }
     85 
     86  get method() {
     87    return this.#method;
     88  }
     89 };
     90 
     91 new C().method().next();
     92 assert.sameValue(callCount, 1, 'method invoked exactly once');
     93 
     94 reportCompare(0, 0);