tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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after-same-line-static-gen-static-private-methods.js (2188B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/class-elements/static-private-methods.case
      3 // - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
      4 /*---
      5 description: static private methods (field definitions after a static generator in the same line)
      6 esid: prod-FieldDefinition
      7 features: [class-static-methods-private, generators, class, class-fields-public]
      8 flags: [generated]
      9 includes: [propertyHelper.js]
     10 info: |
     11    ClassElement :
     12      ...
     13      static FieldDefinition ;
     14 
     15    FieldDefinition :
     16      ClassElementName Initializer_opt
     17 
     18    ClassElementName :
     19      PrivateName
     20 
     21    PrivateName :
     22      # IdentifierName
     23 
     24 ---*/
     25 
     26 
     27 class C {
     28  static *m() { return 42; } ;
     29  static #x(value) {
     30    return value / 2;
     31  }
     32  static #y(value) {
     33    return value * 2;
     34  }
     35  static x() {
     36    return this.#x(84);
     37  }
     38  static y() {
     39    return this.#y(43);
     40  }
     41 }
     42 
     43 var c = new C();
     44 
     45 assert.sameValue(C.m().next().value, 42);
     46 assert(
     47  !Object.prototype.hasOwnProperty.call(c, "m"),
     48  "m doesn't appear as an own property on the C instance"
     49 );
     50 assert(
     51  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
     52  "m doesn't appear as an own property on the C prototype"
     53 );
     54 
     55 verifyProperty(C, "m", {
     56  enumerable: false,
     57  configurable: true,
     58  writable: true,
     59 });
     60 
     61 // Test the private methods do not appear as properties before set to value
     62 assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
     63 assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
     64 assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
     65 
     66 assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
     67 assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
     68 assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
     69 
     70 // Test if private fields can be sucessfully accessed and set to value
     71 assert.sameValue(C.x(), 42, "test 7");
     72 assert.sameValue(C.y(), 86, "test 8");
     73 
     74 // Test the private fields do not appear as properties before after set to value
     75 assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
     76 assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
     77 
     78 reportCompare(0, 0);