tor-browser

The Tor Browser
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after-same-line-static-async-method-computed-symbol-names.js (3114B)

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