tor-browser

The Tor Browser
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same-line-async-method-computed-names.js (3062B)


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