tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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regular-definitions-static-private-methods-with-fields.js (2413B)


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