tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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same-line-async-gen-literal-names.js (2583B)

      1 // |reftest| async
      2 // This file was procedurally generated from the following sources:
      3 // - src/class-elements/literal-names.case
      4 // - src/class-elements/productions/cls-expr-after-same-line-async-gen.template
      5 /*---
      6 description: Literal property names (field definitions after an async generator in the same line)
      7 esid: prod-FieldDefinition
      8 features: [class-fields-public, class, async-iteration]
      9 flags: [generated, async]
     10 includes: [propertyHelper.js]
     11 info: |
     12    ClassElement:
     13      ...
     14      FieldDefinition ;
     15 
     16    FieldDefinition:
     17      ClassElementName Initializer_opt
     18 
     19    ClassElementName:
     20      PropertyName
     21 
     22 ---*/
     23 const fn = function() {}
     24 
     25 
     26 
     27 var C = class {
     28  async *m() { return 42; } a; b = 42;
     29  c = fn;
     30  
     31 }
     32 
     33 var c = new C();
     34 
     35 assert(
     36  !Object.prototype.hasOwnProperty.call(c, "m"),
     37  "m doesn't appear as an own property on the C instance"
     38 );
     39 assert.sameValue(c.m, C.prototype.m);
     40 
     41 verifyProperty(C.prototype, "m", {
     42  enumerable: false,
     43  configurable: true,
     44  writable: true,
     45 }, {restore: true});
     46 
     47 c.m().next().then(function(v) {
     48  assert.sameValue(v.value, 42);
     49  assert.sameValue(v.done, true);
     50 
     51  function assertions() {
     52    // Cover $DONE handler for async cases.
     53    function $DONE(error) {
     54      if (error) {
     55        throw new Test262Error('Test262:AsyncTestFailure')
     56      }
     57    }
     58    assert(
     59      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
     60      "a doesn't appear as an own property on C prototype"
     61    );
     62    assert(
     63      !Object.prototype.hasOwnProperty.call(C, "a"),
     64      "a doesn't appear as an own property on C constructor"
     65    );
     66 
     67    verifyProperty(c, "a", {
     68      value: undefined,
     69      enumerable: true,
     70      writable: true,
     71      configurable: true
     72    });
     73 
     74    assert(
     75      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
     76      "b doesn't appear as an own property on C prototype"
     77    );
     78    assert(
     79      !Object.prototype.hasOwnProperty.call(C, "b"),
     80      "b doesn't appear as an own property on C constructor"
     81    );
     82 
     83    verifyProperty(c, "b", {
     84      value: 42,
     85      enumerable: true,
     86      writable: true,
     87      configurable: true
     88    });
     89 
     90    assert(
     91      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
     92      "c doesn't appear as an own property on C prototype"
     93    );
     94    assert(
     95      !Object.prototype.hasOwnProperty.call(C, "c"),
     96      "c doesn't appear as an own property on C constructor"
     97    );
     98 
     99    verifyProperty(c, "c", {
    100      value: fn,
    101      enumerable: true,
    102      writable: true,
    103      configurable: true
    104    });
    105 
    106  }
    107 
    108  return Promise.resolve(assertions());
    109 }).then($DONE, $DONE);