tor-browser

The Tor Browser
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after-same-line-static-async-method-computed-names.js (3163B)

      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-expr-after-same-line-static-async-method.template
      5 /*---
      6 description: Computed property names (field definitions after a static async method in the same line)
      7 esid: prod-FieldDefinition
      8 features: [class-fields-public, computed-property-names, class, async-functions]
      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 var C = class {
     28  static 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(
     39  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
     40  "m doesn't appear as an own property on the C prototype"
     41 );
     42 
     43 verifyProperty(C, "m", {
     44  enumerable: false,
     45  configurable: true,
     46  writable: true,
     47 }, {restore: true});
     48 
     49 C.m().then(function(v) {
     50  assert.sameValue(v, 42);
     51 
     52  function assertions() {
     53    // Cover $DONE handler for async cases.
     54    function $DONE(error) {
     55      if (error) {
     56        throw new Test262Error('Test262:AsyncTestFailure')
     57      }
     58    }
     59    assert(
     60      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
     61      "b doesn't appear as an own property on C prototype"
     62    );
     63    assert(
     64      !Object.prototype.hasOwnProperty.call(C, "b"),
     65      "b doesn't appear as an own property on C constructor"
     66    );
     67 
     68    verifyProperty(c, "b", {
     69      value: 42,
     70      enumerable: true,
     71      writable: true,
     72      configurable: true
     73    });
     74 
     75    assert(
     76      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
     77      "x doesn't appear as an own property on C prototype"
     78    );
     79    assert(
     80      !Object.prototype.hasOwnProperty.call(C, "x"),
     81      "x doesn't appear as an own property on C constructor"
     82    );
     83    assert(
     84      !Object.prototype.hasOwnProperty.call(c, "x"),
     85      "x doesn't appear as an own property on C instance"
     86    );
     87 
     88    assert(
     89      !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
     90      "10 doesn't appear as an own property on C prototype"
     91    );
     92    assert(
     93      !Object.prototype.hasOwnProperty.call(C, "10"),
     94      "10 doesn't appear as an own property on C constructor"
     95    );
     96 
     97    verifyProperty(c, "10", {
     98      value: "meep",
     99      enumerable: true,
    100      writable: true,
    101      configurable: true
    102    });
    103 
    104    assert(
    105      !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
    106      "'not initialized' doesn't appear as an own property on C prototype"
    107    );
    108    assert(
    109      !Object.prototype.hasOwnProperty.call(C, "not initialized"),
    110      "'not initialized' doesn't appear as an own property on C constructor"
    111    );
    112 
    113    verifyProperty(c, "not initialized", {
    114      value: undefined,
    115      enumerable: true,
    116      writable: true,
    117      configurable: true
    118    });
    119  }
    120 
    121  return Promise.resolve(assertions());
    122 }).then($DONE, $DONE);