tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

yield-promise-reject-next.js (2186B)

      1 // |reftest| async
      2 // This file was procedurally generated from the following sources:
      3 // - src/async-generators/yield-promise-reject-next.case
      4 // - src/async-generators/default/async-class-expr-static-private-method.template
      5 /*---
      6 description: yield Promise.reject(value) is treated as throw value (Static async generator method as a ClassExpression element)
      7 esid: prod-AsyncGeneratorPrivateMethod
      8 features: [async-iteration, class-static-methods-private]
      9 flags: [generated, async]
     10 info: |
     11    ClassElement :
     12      static PrivateMethodDefinition
     13 
     14    MethodDefinition :
     15      AsyncGeneratorMethod
     16 
     17    Async Generator Function Definitions
     18 
     19    AsyncGeneratorMethod :
     20      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
     21 
     22 ---*/
     23 let error = new Error();
     24 
     25 
     26 var callCount = 0;
     27 
     28 var C = class {
     29    static async *#gen() {
     30        callCount += 1;
     31        yield Promise.reject(error);
     32        yield "unreachable";
     33    }
     34    static get gen() { return this.#gen; }
     35 }
     36 
     37 // Test the private fields do not appear as properties before set to value
     38 assert(
     39  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     40  "#gen does not appear as an own property on C prototype"
     41 );
     42 assert(
     43  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     44  "#gen does not appear as an own property on C constructor"
     45 );
     46 
     47 var iter = C.gen();
     48 
     49 iter.next().then(() => {
     50  throw new Test262Error("Promise incorrectly resolved.");
     51 }, rejectValue => {
     52  // yield Promise.reject(error);
     53  assert.sameValue(rejectValue, error);
     54 
     55  iter.next().then(({done, value}) => {
     56    // iter is closed now.
     57    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
     58    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
     59  }).then($DONE, $DONE);
     60 }).catch($DONE);
     61 
     62 assert.sameValue(callCount, 1);
     63 
     64 // Test the private fields do not appear as properties after set to value
     65 assert(
     66  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
     67  "#gen does not appear as an own property on C prototype"
     68 );
     69 assert(
     70  !Object.prototype.hasOwnProperty.call(C, "#gen"),
     71  "#gen does not appear as an own property on C constructor"
     72 );