tor-browser

The Tor Browser
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async-private-gen-meth-obj-ptrn-prop-id.js (2205B)

      1 // |reftest| async
      2 // This file was procedurally generated from the following sources:
      3 // - src/dstr-binding/obj-ptrn-prop-id.case
      4 // - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
      5 /*---
      6 description: Binding as specified via property name and identifier (private class expression method)
      7 esid: sec-class-definitions-runtime-semantics-evaluation
      8 features: [class, class-methods-private, async-iteration]
      9 flags: [generated, async]
     10 info: |
     11    ClassDeclaration : class BindingIdentifier ClassTail
     12 
     13    1. Let className be StringValue of BindingIdentifier.
     14    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
     15       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           i. Let status be the result of performing
     23              PropertyDefinitionEvaluation for m with arguments proto and
     24              false.
     25        [...]
     26 
     27    Runtime Semantics: PropertyDefinitionEvaluation
     28 
     29    AsyncGeneratorMethod :
     30        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
     31            { AsyncGeneratorBody }
     32 
     33    1. Let propKey be the result of evaluating PropertyName.
     34    2. ReturnIfAbrupt(propKey).
     35    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
     36       Otherwise let strict be false.
     37    4. Let scope be the running execution context's LexicalEnvironment.
     38    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
     39       AsyncGeneratorBody, scope, strict).
     40    [...]
     41 
     42 
     43    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
     44 
     45    SingleNameBinding : BindingIdentifier Initializeropt
     46 
     47    [...]
     48    8. Return InitializeReferencedBinding(lhs, v).
     49 ---*/
     50 
     51 
     52 var callCount = 0;
     53 class C {
     54  async * #method({ x: y }) {
     55    assert.sameValue(y, 23);
     56    assert.throws(ReferenceError, function() {
     57      x;
     58    });
     59    callCount = callCount + 1;
     60  }
     61 
     62  get method() {
     63    return this.#method;
     64  }
     65 };
     66 
     67 new C().method({ x: 23 }).next().then(() => {
     68    assert.sameValue(callCount, 1, 'invoked exactly once');    
     69 }).then($DONE, $DONE);