tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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new-sc-line-method-static-private-methods.js (2084B)


      1 // This file was procedurally generated from the following sources:
      2 // - src/class-elements/static-private-methods.case
      3 // - src/class-elements/productions/cls-expr-new-sc-line-method.template
      4 /*---
      5 description: static private methods (field definitions followed by a method in a new line with a semicolon)
      6 esid: prod-FieldDefinition
      7 features: [class-static-methods-private, 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 var C = class {
     28  ;
     29  m() { return 42; }
     30  static #x(value) {
     31    return value / 2;
     32  }
     33  static #y(value) {
     34    return value * 2;
     35  }
     36  static x() {
     37    return this.#x(84);
     38  }
     39  static y() {
     40    return this.#y(43);
     41  }
     42 }
     43 
     44 var c = new C();
     45 
     46 assert.sameValue(c.m(), 42);
     47 assert.sameValue(c.m, C.prototype.m);
     48 assert(
     49  !Object.prototype.hasOwnProperty.call(c, "m"),
     50  "m doesn't appear as an own property on the C instance"
     51 );
     52 
     53 verifyProperty(C.prototype, "m", {
     54  enumerable: false,
     55  configurable: true,
     56  writable: true,
     57 });
     58 
     59 // Test the private methods do not appear as properties before set to value
     60 assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
     61 assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
     62 assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
     63 
     64 assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
     65 assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
     66 assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
     67 
     68 // Test if private fields can be sucessfully accessed and set to value
     69 assert.sameValue(C.x(), 42, "test 7");
     70 assert.sameValue(C.y(), 86, "test 8");
     71 
     72 // Test the private fields do not appear as properties before after set to value
     73 assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
     74 assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
     75 
     76 reportCompare(0, 0);