tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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same-line-async-gen-computed-names.js (3104B)

      1 // |reftest| async
      2 // This file was procedurally generated from the following sources:
      3 // - src/class-elements/computed-names.case
      4 // - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
      5 /*---
      6 description: Computed property names (field definitions after an async generator in the same line)
      7 esid: prod-FieldDefinition
      8 features: [class-fields-public, computed-property-names, 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 var x = "b";
     24 
     25 
     26 
     27 class C {
     28  async *m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
     29  
     30 }
     31 
     32 var c = new C();
     33 
     34 assert(
     35  !Object.prototype.hasOwnProperty.call(c, "m"),
     36  "m doesn't appear as an own property on the C instance"
     37 );
     38 assert.sameValue(c.m, C.prototype.m);
     39 
     40 verifyProperty(C.prototype, "m", {
     41  enumerable: false,
     42  configurable: true,
     43  writable: true,
     44 }, {restore: true});
     45 
     46 c.m().next().then(function(v) {
     47  assert.sameValue(v.value, 42);
     48  assert.sameValue(v.done, true);
     49 
     50  function assertions() {
     51    // Cover $DONE handler for async cases.
     52    function $DONE(error) {
     53      if (error) {
     54        throw new Test262Error('Test262:AsyncTestFailure')
     55      }
     56    }
     57    assert(
     58      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
     59      "b doesn't appear as an own property on C prototype"
     60    );
     61    assert(
     62      !Object.prototype.hasOwnProperty.call(C, "b"),
     63      "b doesn't appear as an own property on C constructor"
     64    );
     65 
     66    verifyProperty(c, "b", {
     67      value: 42,
     68      enumerable: true,
     69      writable: true,
     70      configurable: true
     71    });
     72 
     73    assert(
     74      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
     75      "x doesn't appear as an own property on C prototype"
     76    );
     77    assert(
     78      !Object.prototype.hasOwnProperty.call(C, "x"),
     79      "x doesn't appear as an own property on C constructor"
     80    );
     81    assert(
     82      !Object.prototype.hasOwnProperty.call(c, "x"),
     83      "x doesn't appear as an own property on C instance"
     84    );
     85 
     86    assert(
     87      !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
     88      "10 doesn't appear as an own property on C prototype"
     89    );
     90    assert(
     91      !Object.prototype.hasOwnProperty.call(C, "10"),
     92      "10 doesn't appear as an own property on C constructor"
     93    );
     94 
     95    verifyProperty(c, "10", {
     96      value: "meep",
     97      enumerable: true,
     98      writable: true,
     99      configurable: true
    100    });
    101 
    102    assert(
    103      !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
    104      "'not initialized' doesn't appear as an own property on C prototype"
    105    );
    106    assert(
    107      !Object.prototype.hasOwnProperty.call(C, "not initialized"),
    108      "'not initialized' doesn't appear as an own property on C constructor"
    109    );
    110 
    111    verifyProperty(c, "not initialized", {
    112      value: undefined,
    113      enumerable: true,
    114      writable: true,
    115      configurable: true
    116    });
    117  }
    118 
    119  return Promise.resolve(assertions());
    120 }).then($DONE, $DONE);