tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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properties.js (4305B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 function assertOwnDescriptor(object, propertyKey, expected) {
      6  var desc = Object.getOwnPropertyDescriptor(object, propertyKey);
      7  if (desc === undefined) {
      8    assertEq(expected, undefined, "Property shouldn't be present");
      9    return;
     10  }
     11 
     12  assertEq(desc.enumerable, expected.enumerable, `${String(propertyKey)}.[[Enumerable]]`);
     13  assertEq(desc.configurable, expected.configurable, `${String(propertyKey)}.[[Configurable]]`);
     14 
     15  if (Object.prototype.hasOwnProperty.call(desc, "value")) {
     16    assertEq(desc.value, expected.value, `${String(propertyKey)}.[[Value]]`);
     17    assertEq(desc.writable, expected.writable, `${String(propertyKey)}.[[Writable]]`);
     18  } else {
     19    assertEq(desc.get, expected.get, `${String(propertyKey)}.[[Get]]`);
     20    assertEq(desc.set, expected.set, `${String(propertyKey)}.[[Set]]`);
     21  }
     22 }
     23 
     24 function* generator(){}
     25 var GeneratorFunctionPrototype = Object.getPrototypeOf(generator);
     26 var GeneratorFunction = GeneratorFunctionPrototype.constructor;
     27 var GeneratorPrototype = GeneratorFunctionPrototype.prototype;
     28 
     29 
     30 // ES2017, 25.2.2 Properties of the GeneratorFunction Constructor
     31 
     32 assertEqArray(Object.getOwnPropertyNames(GeneratorFunction).sort(), ["length", "name", "prototype"]);
     33 assertEqArray(Object.getOwnPropertySymbols(GeneratorFunction), []);
     34 
     35 assertOwnDescriptor(GeneratorFunction, "length", {
     36    value: 1, writable: false, enumerable: false, configurable: true
     37 });
     38 
     39 assertOwnDescriptor(GeneratorFunction, "name", {
     40    value: "GeneratorFunction", writable: false, enumerable: false, configurable: true
     41 });
     42 
     43 assertOwnDescriptor(GeneratorFunction, "prototype", {
     44    value: GeneratorFunctionPrototype, writable: false, enumerable: false, configurable: false
     45 });
     46 
     47 
     48 // ES2017, 25.2.3 Properties of the GeneratorFunction Prototype Object
     49 
     50 assertEqArray(Object.getOwnPropertyNames(GeneratorFunctionPrototype).sort(), ["constructor", "prototype"]);
     51 assertEqArray(Object.getOwnPropertySymbols(GeneratorFunctionPrototype), [Symbol.toStringTag]);
     52 
     53 assertOwnDescriptor(GeneratorFunctionPrototype, "constructor", {
     54    value: GeneratorFunction, writable: false, enumerable: false, configurable: true
     55 });
     56 
     57 assertOwnDescriptor(GeneratorFunctionPrototype, "prototype", {
     58    value: GeneratorPrototype, writable: false, enumerable: false, configurable: true
     59 });
     60 
     61 assertOwnDescriptor(GeneratorFunctionPrototype, Symbol.toStringTag, {
     62    value: "GeneratorFunction", writable: false, enumerable: false, configurable: true
     63 });
     64 
     65 
     66 // ES2017, 25.2.4 GeneratorFunction Instances
     67 
     68 assertEqArray(Object.getOwnPropertyNames(generator).sort(), ["length", "name", "prototype"]);
     69 assertEqArray(Object.getOwnPropertySymbols(generator), []);
     70 
     71 assertOwnDescriptor(generator, "length", {
     72    value: 0, writable: false, enumerable: false, configurable: true
     73 });
     74 
     75 assertOwnDescriptor(generator, "name", {
     76    value: "generator", writable: false, enumerable: false, configurable: true
     77 });
     78 
     79 assertOwnDescriptor(generator, "prototype", {
     80    value: generator.prototype, writable: true, enumerable: false, configurable: false
     81 });
     82 
     83 
     84 // ES2017, 25.3.1 Properties of Generator Prototype
     85 
     86 assertEqArray(Object.getOwnPropertyNames(GeneratorPrototype).sort(), ["constructor", "next", "return", "throw"]);
     87 assertEqArray(Object.getOwnPropertySymbols(GeneratorPrototype), [Symbol.toStringTag]);
     88 
     89 assertOwnDescriptor(GeneratorPrototype, "constructor", {
     90    value: GeneratorFunctionPrototype, writable: false, enumerable: false, configurable: true
     91 });
     92 
     93 assertOwnDescriptor(GeneratorPrototype, "next", {
     94    value: GeneratorPrototype.next, writable: true, enumerable: false, configurable: true
     95 });
     96 
     97 assertOwnDescriptor(GeneratorPrototype, "return", {
     98    value: GeneratorPrototype.return, writable: true, enumerable: false, configurable: true
     99 });
    100 
    101 assertOwnDescriptor(GeneratorPrototype, "throw", {
    102    value: GeneratorPrototype.throw, writable: true, enumerable: false, configurable: true
    103 });
    104 
    105 assertOwnDescriptor(GeneratorPrototype, Symbol.toStringTag, {
    106    value: "Generator", writable: false, enumerable: false, configurable: true
    107 });
    108 
    109 
    110 if (typeof reportCompare == "function")
    111    reportCompare(true, true);