tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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new-sc-line-gen-static-private-methods-with-fields.js (2819B)

      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-decl-new-sc-line-generator.template
      4 /*---
      5 description: static private methods with fields (field definitions followed by a method in a new line with a semicolon)
      6 esid: prod-FieldDefinition
      7 features: [class-static-methods-private, class-static-fields-private, class, class-fields-public, generators]
      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 #xVal; static #yVal;
     29  *m() { return 42; }
     30  static #x(value) {
     31    this.#xVal = value;
     32    return this.#xVal;
     33  }
     34  static #y(value) {
     35    this.#yVal = value;
     36    return this.#yVal;
     37  }
     38  static x() {
     39    return this.#x(42);
     40  }
     41  static y() {
     42    return this.#y(43);
     43  }
     44 }
     45 
     46 var c = new C();
     47 
     48 assert.sameValue(c.m().next().value, 42);
     49 assert.sameValue(c.m, C.prototype.m);
     50 assert(
     51  !Object.prototype.hasOwnProperty.call(c, "m"),
     52  "m doesn't appear as an own property on the C instance"
     53 );
     54 
     55 verifyProperty(C.prototype, "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 assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
     71 assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
     72 assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
     73 
     74 assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
     75 assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
     76 assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
     77 
     78 // Test if private fields can be sucessfully accessed and set to value
     79 assert.sameValue(C.x(), 42, "test 13");
     80 assert.sameValue(C.y(), 43, "test 14");
     81 
     82 // Test the private fields do not appear as properties before after set to value
     83 assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
     84 assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
     85 
     86 assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
     87 assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
     88 
     89 reportCompare(0, 0);